cylinder with lock seriescls - smc · wedge effect of the eccentric cam shaft ... action type...

Cylinder with Lock

SeriesCLSø125, ø140, ø160,ø180, ø200, ø250

A locking cylinder ideal for intermediate stops,emergency stops and drop prevention.

ø180, ø200 and ø250 newly introduced!

CAT.ES20-134 B

Manual unlocking functionEven if the air supply is cut off or discharged,the lock can be released by screwing in the manualrelease bolt (hexagon socket head screw).

Compact lock unit is light weight and saves spaceOverall length has been reduced by using an

independent brake cylinder

(–15% compared to previous series).

Weight reduction has also

been realized through parts

simplification

(max. –40% compared to previous series).

A locking cylinder ideaemergency stops an

Lock unit switchBy providing a switch on the brake cylinder, the operating state of the lock unit (brake piston)can be detected using the switch signal.

Steady holding forceOutstanding durability and steady holding force are maintained by using a brake shoe with superior wear resistance.

Manual release bolt

Design minimizes influences of unlocking air qualityA design largely unaffected by factors such as moisture and drainage in compressed air has been realized by separating the lock mechanism and the brake cylinder.

Can be locked in both directionsAn equal holding force can be obtained on either reciprocating stroke of the cylinder.

Features 1

f: Spring force

e: Eccentricity

Eccentric cam shaft

Brake shoe holder

Brake shoe

Brake piston

Fulcrum

Piston rod

Piston rodholding force

F

l for intermediate stops,nd drop prevention.

Construction principleUses an energizing mechanism based on the wedge effect of the eccentric cam shaft and the lever principle of the shoe holder.

Maintenance simplifiedThe lock monitor makes it possible to confirm the operating state of the lock unit (brake piston) and the state of wear for each part, providing a guide for maintenance.

Fail safe constructionSince the mechanism locks when air pressure is exhausted,operation for safety is possible even when there is an air supply or power supply failure, etc.

Standard variations

Built-in autoswitch magnets With rod boot

Lock type

Springlock

TypeActionStandardstrokes(mm)

Series

Single rodSeriesCLS

Doubleacting

Cylinder with lock

Series CLS

125140160180200250

Maximum1600

Maximum2000

Maximum2400

Series variations

Bore size(mm)

Cylinder with Lock

Series CLSø125, ø140, ø160,ø180, ø200, ø250

NewNew ø180, ø200 & ø250newly introduced!

Features 2

How to Order

Number of auto switchesNil

Sn

2 pcs.

1 pc.

"n" pcs.

Tube materialTube material

Aluminum tube

Steel tube

Steel tube

Bore size

ø125 to ø160

ø180 to ø250

ø125 to ø160

∗ Steel tube is not available with auto switches.

Lock unitauto switch type

Nil Without auto switch

Cylinder unitauto switch type

Nil Without auto switch

Mounting brackets

With auto switch(built-in magnet)

BLFGCDT

Basic type

Foot type

Front flange type

Rear flange type

Single clevis type

Double clevis type

Center trunnion type

CLS L

L

125125

100100

A93

A93A53With Auto Switch CDLS

Cylinder

Cylinder stroke (mm)Refer to the maximum stroke table on page 2.

JKNil

NRH

Nylon tarpaulin

Heat resistant tarpaulin

With rubber bumper at both ends

Without bumpers

With front bumper

With rear bumper

Rod boot

Cushion

Bore size125140160180200250

125mm

140mm

160mm

180mm

200mm

250mm

Special function Electricalentry

Indic

ator

light

Cylinder unit/Applicable auto switches

Type

Grommet

Wiring(output)

2 wire

3 wire (NPN equiv.)

Load voltage

200V or less

—

ACDC

Lead wire length (m)∗

0.5(Nil)

3 (L)

—

—

—

—

—

—

—

—

—

—

—

—

IC circuit

PLC

Applicable loads

∗ Lead wire length symbol 0.5m .... Nil (Example) A533m ....... L A53L5m ....... Z A53Z

Auto switch models

Yes

IC circuit

—

100V, 200V

—

—

5V

12V

5V, 12V

—

24V

Yes

With diagnostic output (2 color indicator)

With timer

Diagnostic indication(2 color indicator)

———

Yes

Grommet

Grommet

2 wire

3 wire (NPN)

3 wire (PNP)

4 wire(NPN)

24V

5V, 12V

12V

——

IC circuit

—

IC circuit

IC circuit

—

—

Ree

d s

witc

hS

olid

sta

te s

witc

h

Latch type with diagnostic output(2 color indicator)

—

3 wire (NPN)

3 wire (NPN)

2 wire

3 wire (PNP)

—A53

A54

A67

A64

A59W

F59

F5P

J51

J59

F59W

F5PW

J59W

F5BA

F5NT

F59F

F5LF

A56

5V, 12V

—

—

IC circuit

—

Relay, PLC

Relay,PLC

—

100V, 200V

—5V, 12V

12V

No

Terminalconduit

Terminalconduit

Water resistant (2 color indicator)

Diagnostic indication(2 color indicator)

———

Tie-rodmount

Bandmount

—

—

—

—

A33

A34

A44

—

—

—

—

—

G39

K39

—

—

—

—

——

—

—

PLC

Relay, PLC

PLC

Relay,PLC

100V, 200V

5V, 12V

12V

—

12V

—

24V

—

2 wire

3 wire (NPN)

Grommet

DIN terminal

Internal magnet cylinder part numbers

Mounting brackets/Part numbers

—

—

—

—

5 (Z)

—

—

—

—

—

—

—

—

—

Symbol

Nil

F

Lock unit/Applicable auto switches

∗ Select applicable auto switches from the table below.

Specialfunction

——

——

Electricalentry

Indi

cato

r lig

ht

Type

Grommet

Grommet

Wiring(output)

2 wire

3 wire (NPN)

3 wire (PNP)

2 wire

Load voltage

AC

100V or less

100V

––

DC

Lead wire length (m)∗

0.5 (Nil)

3 (L)

IC circuit

—

—

Applicable loadsAuto switchmodel

A90

A93

F9N

F9P

F9B

24V

24V

Reedswitch

Solid stateswitch

Relay, PLC

Relay, PLC

No

Yes

Yes

5V, 12V

12V

5 (Z)

12V

5V, 12V

—

—

Without Auto Switch

∗ Auto switches are not available with ø250. ∗ Refer to the table below for

applicable auto switch models.

∗ Indicate in alphabetical order when 2 or more symbols are applicable.

In the case of internal magnets with no auto switches, the auto switch type symbol is "Nil".(Example) CDLSL140-100

Refer to page 3 for part numbers of mounting brackets for other than the basic type air cylinder.

∗ Auto switches marked with a "" are produced upon receipt of order.

∗ PLC: Programmable Logic Controller∗∗ Refer to pages 14 through 19 for sections related to

auto switches.

Cylinderwith Lock

DoubleActing:

Single Rod Series CLSø125, ø140, ø160, ø180, ø200, ø250

1

Type

Non-lube

Action

Doubleacting

Locking action

Spring locking

Bore size (mm)

Models

Type

Fluid

Proof pressure

Maximumoperating pressure

Minimum operating pressure

Piston speed

Cushion

Cylinder Specifications

Non-lube

Air

1.46MPa 1.05MPa∗

0.97MPa0.7MPa∗

0.08MPa

50 to 500mm/s∗∗

Yes

to 250: +1.0 , 251 to 1000: +1.4 , 1001 to 1500: +1.8 ,

1501 to 2000: +2.2 , 2001 to 2400: +2.6 0 0 0

0 0

Without auto switch: 0°C to 70°CWith auto switch: 0°C to 60°C

Basic type, Foot type, Front flange type, Rear flange type,Single clevis type, Double clevis type, Center trunnion type

Ambient and fluidtemperature

Stroke length tolerance

Mounting

Locking action

Unlocking pressure

Locking pressure

Maximum operating pressure

Locking direction

Lock Specifications

Spring locking (exhaust locking)

0.25MPa or more

0.20MPa or less

1.0MPa

Both directions

Bore size(mm)

125, 140

160

180

200

250

Maximum Strokes/Figures inside ( ) are for steel tube.

Maximum stroke

to 1000 ( to 1000)

to 1200 ( to 1200)

to 1200 ( to 1200)

to 998 ( to 1200)

— ( to 1200)

Lock type

Spring lock

Stopping Accuracy

Piston speed (mm/s)

100

±0.5

300

±1.0

500

±2.0

Bore size (mm)

Holdingforce KN

Spring Lock Holding Force(Max. Static Load)

8.4

125

10.5

140

13.8

160

17.4

180

21.5

200

33.6

250

(with no freezing)

Unit: mm

Bore size (mm)

180

200

250

Class 2 Pressure VesselA class 2 pressure vessel will be required for strokes exceeding those shown below.

Cylinder stroke (mm)

1569

998

813

Series

CLS

CDLS

Unit: mm

to 1400 ( to 1600)

to 1400 ( to 1600)

to 1500 ( to 2000)

to 998 ( to 2000)

— ( to 2400)

Foot type, Front flange type

∗ Auto switches are not available with steel tube.

125, 140, 160, 180, 200, 250

125, 140, 160, 180, 200

∗ For ø180 and ø200 with auto switches.∗∗ There are load limitations depending on the piston speed when locked, the mounting method, and the

operating pressure.

Conditions:Horizontal, Supply pressure P = 0.5MPaLoad weight ......................... Upper limit of allowed valueSolenoid valve for locking ... Mounted directly to unlocking port Maximum value from range of 100 measured stopping positions

∗ Be sure to make cylinder selections in accordance with the method given on page 31.

Basic type, Rear flange type,Single clevis type, Double clevis type, Center trunnion type

2

Cylinder with LockDouble Acting: Single Rod Series CLS

Mounting Brackets/Part Numbers

Bore size (mm) Foot type Note 1)

Flange type Note 2)

Single clevis type

Double clevis Note 3)

125

CS1-L12

CS1-F12

CS1-C12

CS1-D12

140

CS1-L14

CS1-F14

CS1-C14

CS1-D14

160

CS1-L16

CS1-F16

CS1-C16

CS1-D16

180

CS1-L18

CS1-F18

CS1-C18

CS1-D18

200

CS1-L20

CS1-F20

CS1-C20

CS1-D20

250

CS1-L25

CS1-F25

CS1-C25

CS1-D25

Note 1) When ordering foot brackets, 2pcs. should be ordered for each cylinder.Note 2) ø125 to ø250 front flange types use series CS1 long stroke flanges.Note 3) A clevis pin, flat washer and cotter pin are packed with the double clevis type.

Rod Boot Materials

Symbol

J

K

Material

Nylon tarpaulin

Heat resistant tarpaulin

Max. ambient temperature

60°C

100°C∗

∗ Maximum ambient temperature for the rod boot itself.

Accessories

Mounting brackets

—

Standard equipment

Options

Clevis pin

Rod end nut

Single knuckle joint

Double knuckle joint (with pin)

With rod boot

—

—

—

—

—

Basic type Foot typeFront flange

typeRear flange

typeSingle clevis

typeDouble clevis

typeCenter trunnion

type

Weight Table/Numbers inside ( ) are for steel tube

(kg)

Bore size (mm)

Additional weight per 100mm of stroke

Basic type

Foot type

Flange type

Single clevis type

Single knuckle

Double knuckle (with pin)

Rod end nut

125

23.49 (24.96)

Construction Principle

Basic weight .................... 30.82 (foot type, ø140)Additional weight ............. 1.96/100mm strokeCylinder stroke ................ 100mm stroke30.82 + 1.96 x 100/100 = 32.78kg

Spring locking (exhaust locking)The brake piston actuated by the force of the spring turns the eccentric cam shaft via the brake lever. This turning force distorts the shoe holder due to the wedge effect of the cam, acting on the brake shoe and locking the piston rod by tightening on it with a large force.Unlocking occurs when air pressure is supplied to the unlocking port, causing the brake piston to counteract the force of the spring and push the brake lever back. This removes the force which is distorting the shoe holder and unlocks the piston rod.

Locked condition(when air is exhausted)

Unlocked condition(when air is supplied)

140 1609.40Lock unit weight

Auto Switch Weight Table(kg)

Autoswitchtype

So

lid s

tate

switc

h

D-A5/A6D-A59W

ø125

0.038

0.094

0.156

0.156

0.038

0.094

0.156

ø140

0.038

0.094

0.160

0.160

0.038

0.094

0.160

ø160

0.041

0.097

0.165

0.165

0.041

0.097

0.165

ø180

0.045

0.101

0.168

0.168

0.045

0.101

0.168

ø200

0.047

0.103

0.173

0.173

0.047

0.103

0.173

Leadwire

length

Switchunit

Switch + switch mounting bracket

D-A3

D-A4

D-A9

D-F5/J5D-F59W/J59W

D-F9

D-G39/K39

0.5m

3 m

—

—

0.5m

3 m

0.5m

3 m

—

0.5m

3 m

0.024

0.080

0.116

0.114

0.008

0.041

0.024

0.080

0.116

0.007

0.037

Ree

dsw

itch

Model

Trunnion type

Double clevis type(includes clevis pin

& cotter pin)

Spring forceBrake lever

Brake pistonLocking spring Air pressure

Brake shoe holder

Eccentric cam shaft

28.30 (30.11)

11.37

40.87 (43.08)

16.93

25.12 (26.59)

30.82 (32.63)

43.67 (45.88)

26.17 (27.64)

33.30 (35.11)

47.26 (49.47)

26.56 (28.03)

32.59 (34.40)

46.36 (48.57)

27.02 (28.49)

33.34 (35.15)

47.21 (49.42)

27.62 (29.09)

34.03 (35.84)

48.27 (50.48)

1.77 (2.66)

0.91

1.37

0.16

1.16

1.81

0.16

1.56

2.48

0.23

1.96 (3.01)

2.39 (3.58)

180

57.30 (63.91)

200 25026.20

75.46 (82.01)

36.4

— (138.94)

61.70

61.50 (68.11)

80.34 (86.89)

— (148.44)

67.13 (73.74)

87.37 (93.92)

— (160.78)

65.69 (72.30)

85.36 (91.91)

— (157.33)

67.37 (73.98)

87.39 (93.94)

— (160.52)

68.46 (75.07)

89.45 (96.00)

— (166.78)

2.85 (4.95)

3.07

4.74

0.33

2.90

4.59

0.56

5.38

9.22

1.01

3.42 (5.75)

— (9.08)

Calculation (Ex.) CLSL140-100

Bas

ic w

eigh

tAc

cess

orie

s

∗ Refer to the accessory models and dimensions on page 12.

Series CLS

3

Construction

No.

1

2

3

45678910111213141516

17

1819202122232425262728293031323334353637383940

41

Description Material Note

Parts list

Replacement parts/Seal kits

Cover A

Cover B

Thrust washer A

Thrust washer BBrake shoe holder ABrake shoeEccentric cam shaftBrake leverWasherNeedle bearingNeedle bearingStopperAdjustment screwConical spring washerU nutCover

Cover holding screw

Cover holding boltBrake tubeBrake piston ABrake piston BBottom plateSpring collarBrake springBumper BMagnetSnap ringMarkerTrim plateKeyBrake tube holding boltManual release boltPlug with breathing holeRetaining plate BRetaining plate holding boltUnit holding tie-rodWing nutConical spring washerRod coverHead cover

Cylinder tube

Aluminum alloy

Aluminum alloy

Carbon steel

Carbon steelChromium molybdenum steel

Special friction materialSpecial steel

Chromium molybdenum steelCarbon steel

––

Special steelChromium molybdenum steel

Spring steelCarbon steelSteel plate

Carbon steel

Chromium molybdenum steelAluminum alloyCarbon steel

Aluminum alloyAluminum alloyAluminum alloy

Steel wirePolyurethane rubber

–Carbon tool steel

ResinResin

Carbon steelChromium molybdenum steelChromium molybdenum steel

–Bronze casting

Chromium molybdenum steelCarbon steelCarbon steelSpring steel

Rolled steel plateRolled steel plateAluminum alloy

Carbon steel pipe

Black hard anodized (ø125, ø140, ø160) Hard anodized & coated (ø180, ø200, ø250)

Black hard anodized (ø125, ø140, ø160) Hard anodized & coated (ø180, ø200, ø250) Electroless nickel plated (ø125, ø140, ø160)

Special treatment (ø180, ø200, ø250) Electroless nickel plated (ø125, ø140, ø160)

Special treatment

Zinc chromatedZinc chromated

Electroless nickel platedZinc chromatedZinc chromatedZinc chromated

Black zinc chromated

Nickel platedClear hard anodized

TufftrideChromated

Black anodizedBlack anodizedZinc chromated

(With switch for lock unit)Phosphate coated

White

Nickel platedNickel plated

Black zinc chromated

Nickel platedChromated

Nickel platedNickel platedBlack coatedBlack coated

Hard anodized (ø125 to ø200)Hard chrome plated (ø125 to ø250)

Bore size (mm)

125140160180200250

Order No.

CLS125-PS

CLS140-PS

CLS160-PS

CLS180-PS

CLS200-PS

CLS250-PS

Contents

No.

42

43444546474849505152535455565758596061626364656667686970

Description Material Note

Parts list

Piston

Piston rodRetaining plateBushingValve guideTie-rodTie-rod nutSpring washerRetaining plate boltSpring washerCushion ring ACushion ring BCushion valveTie-rod reinforcement ringWear ringMagnetPiston sealTube gasketWiper ringCushion sealRod sealPiston sealValve sealTube gasketPiston gasketRetaining plate gasketGuide gasketCoil scraperCoil scraper holder

Aluminum alloy castingCast iron

Carbon steelCast iron

Lead bronze castingBrass

Carbon steelRolled steel plate

Steel wireChromium molybdenum steel

Steel wireRolled steelRolled steelRolled steelRolled steel

Resin–

NBRNBRNBRNBRNBRNBRNBRNBRNBRNBRNBR

Phosphor bronzeAluminum alloy

In case of aluminum tubeIn case of iron tube

Hard chrome platedBlack coated (ø125, ø140, ø160)

ChromatedBlack zinc chromatedBlack zinc chromatedBlack zinc chromatedBlack zinc chromated

Zinc chromatedZinc chromated

Electroless nickel platedBlack coated (long stroke)In case of aluminum tubeFor built-in magnet type

(ø180, ø200, ø250) Black anodized (ø180, ø200, ø250)

A set of above Nos.60, 62, 63, 64, 65 & 67

ø180, ø200, ø250

∗ Since the lock section for Series CLS is normally replaced as a unit, replacement seal kits are for the cylinder section only.

∗∗ Seal kits are sets consisting of items 60, 62, 63, 64, 65 and 67, which can be ordered using the order number for each cylinder bore size.


4

Basic type/(B)

Dimensions

With rod boot For ø180, ø200, ø250

F

FA

15

MM

Width across flats KA

øD

øe

øE

A

øE

AL

A K

H

f

BY

BB

BC

BA

M GA GA

S + Stroke

ZZ + Stroke

ZZ1 + l + Stroke

N N

BW

BZ

BV

M

2-Rc PCylinder port

l

h + l

T

4-J

GC

GB

W

BZ

CB

Plug with breathing hole

4-MAEffective thread depth MB(for holding eyebolt)

Rc BPUnlocking port(unlocked whenpressurized)

øV

MO

DE

L S

MC

FR

EE

LOC

K

CLS

125

CH

EC

K

Cyl

inde

r W

ith$

Lock

ing

Mec

hani

sm

Bore size(mm)

Strokerange(mm)

125140160180200250

to 1000to 1000to 1200to 1200to 1200to 1200

A

505056636371

(mm)

AL

474753606067

B

145161182204226277

BA

757895

106124152

118131155

BB

1818233640.558

BC

—

35—

—

—

BD

—

3046—

—

—

BE BG

—

—

—

162135

BV

—

—

—

5 5.56

BW

—

—

—

303442

MB

—

—

—

253141

BY

110110132167187237

BZ

136146169195216261.5

BP

1/41/41/43/83/81/2

C

115128144162182225

D

363640455060

E

909090

115115140

EA

595959707486

F

434343484860

FA

141414171720

GA

161618.518.518.523

GB

107114130149165200

H

110110120135135160

K

151517202025

KA

313136414656

N

353539393949

M

272730.5353541.5

J

M14 x 1.5M14 x 1.5M16 x 1.5M18 x 1.5M20 x 1.5M24 x 1.5

MM

M30 x 1.5M30 x 1.5M36 x 1.5M40 x 1.5M45 x 1.5M56 x 2

MA

—

—

—

M12 x 1.75 M16 x 2 M20 x 2.5

GC

5864748697

117

Bore size(mm)

Strokerange(mm)

125140160180200250

e

7575758590

105

(mm)With rod boot

f

404040454555

h

133133141153153176

30 to 100030 to 100030 to 120030 to 120030 to 120030 to 1200

l

0.2 stroke

0.2 stroke

0.2 stroke

0.2 stroke

0.2 stroke

0.17 stroke

ZZ1

368368409.5466486595.5

Bore size(mm)

Strokerange(mm)

125140160180200

S

9898

106115120

(mm)With auto switch

ZZ

Withoutrod boot

345345388.5452477

ZZ1

Withrod boot

368368409.5470495

to 1000to 1000to 1200to 1200to 998

Bore size(mm)

125140160180200250

(mm)

BD

BG BE

—

—

—

P

1/21/23/43/43/41

S

9898

106111111141

T

555—

—

—

V

303030—

—

—

ZZ

345345388.5448468579.5

W

—

89—

—

—

Series CLS

5

Axial foot type/(L)

Bore size(mm)

Strokerange(mm)

125140160180200250

to 1400 to 1400 to 1400 to 1800 to 1800 to 2000

Long stroke range(mm)

1401 to 16001401 to 16001401 to 16001801 to 20001801 to 20002001 to 2400

A

505056636371

(mm)

AL

474753606067

B

145161182204226277

BA

757895

106124152

BB

1818233640.558

BC

—

35—

—

—

BV

—

—

—

5 5.56

BW

—

—

—

303442

BY

110110132167187237

BZ

136146169195216261.5

BP

1/41/41/43/83/81/2

C

115128144162182225

D

363640455060

E

909090

115115140

EA

595959707486

F

434343484860

FA

141414171720

GA

161618.518.518.523

GB

107114130147163.5197

H

110110120135135160

K

151517202025

KA

313136414656

LD

191919242429

LH

85100106125132160

LS

298298338398418538

LT

899

101012

LX

100112118132150180

M

272730.5353541.5

LY

221246275320340421.5

J

M14 x 1.5M14 x 1.5M16 x 1.5M18 x 1.5M20 x 1.5M24 x 1.5

GC

5864748697

119

Bore size(mm)

125140160180200250

RT

363645454555

(mm)

RY

164184204228257325

M30 x 1.5M30 x 1.5M36 x 1.5M40 x 1.5M45 x 1.5M56 x 2

MM N

353539393949

P

1/21/23/43/43/41

S

9898

106111111141

T

555—

—

—

303030—

—

—

V W

—

89—

—

—

X

454550606080

203025303040

Y ZZ

383393433503523658


15

ZZ1 + l + Stroke

l

h + l

F

MM

Width acrossflats KA

øD

øe

øE

A

øE

AL M

A K

H

Y X N RT YXN

BW

BV

BZ

LX

GC

LT

W

R

Y

4-øLD

BB BA

GA M2-Rc PCylinder port

BY

BC

S + Stroke

LS + Stroke

For long strokes(tie-rod reinforcement ring)

ZZ + Stroke


Plug withbreathing hole

4-J

CB

GB B

ZL

YL

H

GA

f

SM

CC

LS12

5M

OD

EL

FR

EE

LOC

KC

HE

CK

Cyl

inde

r W

ith$

Lock

ing

Mec

hani

sm

øV

T

Bore size(mm)

Strokerange(mm)

125140160180200250

e

7575758590

105

(mm)With rod boot

f

404040454555

h

133133141153153176

30 to 140030 to 140030 to 140030 to180030 to 180030 to 2000

l

0.2 stroke

0.2 stroke

0.2 stroke

0.2 stroke

0.2 stroke

0.17 stroke

ZZ1

406416454521541674

Bore size(mm)

Strokerange(mm)

125140160180200

S

9898

106115120

LS

298298338402427


ZZ

Withoutrod boot

383393433507532

ZZ1

Withrod boot

406416454525550

to 1400to 1400to 1400to 1500to 998

FA

BD

BG BE


BD

—

3046—

—

—

BE

—

—

—

162135

118131155

BG

—

—

—

MB

—

—

—

253141

MA

—

—

—

M12 x 1.75 M16 x 2 M20 x 2.5

6


Front flange type/(F)

Dimensions


15

ZZ1 + l + Stroke

l

h + l

MM


øD

øe

øE

A

øE

F

AL FT

A K

H

f

BY

RT

S + Stroke

ZZ + Stroke

N N

BW

BZ

BV

M

R

Y

BB BA

GAM

For long strokes(tie-rod reinforcement ring)

2-Rc PCylinder port

GA

GB

BF

FY

BZ

GCPlug with breathing hole

4-J4-øFD

FXFZ

CB


W

CLS

125

MO

DE

L S

MC

FR

EE

LOC

KC

HE

CK

Cyl

inde

r W

ith$

Lock

ing

Mec

hani

sm

BC

øV

T

Bore size(mm)

Strokerange(mm)

125140160180200250

e

7575758590

105

(mm)With rod boot

f

404040454555

h

133133141153153176

30 to 1400

30 to 1400

30 to 1400

30 to 1800

30 to 1800

30 to 2000

l

0.2 stroke

0.2 stroke

0.2 stroke

0.2 stroke

0.2 stroke

0.17 stroke

ZZ1

360360401457477584

Bore size(mm)

Strokerange(mm)

125140160180200

S

9898

106115120


ZZ

Withoutrod boot

337337380443468

ZZ1

Withrod boot

360360401461486

to 1400 to 1400 to 1400 to 1500 to 998

BD


BG BE

Bore size(mm)

Strokerange(mm)

125140160180200250

to 1400to 1400to 1400to 1800to 1800to 2000

Long stroke range(mm)

1401 to 1600

1401 to 1600

1401 to 1600

1801 to 2000

1801 to 2000

2001 to 2400

A

505056636371

(mm)

AL

474753606067

B

145161182204226277

BA

757895

106124152

BB

1818233640.558

BC

—

35—

—

—

BV

—

—

—

5 5.56

BW

—

—

—

303442

BY

145160180200225275

110110132167182237

BZ

136146169195216261.5

BP

1/41/41/43/83/81/2

C

115128144162182225

D

363640455060

E

909090

115115140

EA

595959707486

F

434343484860

191919242429

FD

142020252530

FT

161618.518.518.523

FX

107114130147163.5197

FZ

110110120135135160

190212236265280355

100112118132150180

230255275320335420

GB

151517202025

GC

191922262630

313136414656

H J K KA MGA

M14 x 1.5M14 x 1.5M16 x 1.5M18 x 1.5M20 x 1.5M24 x 1.5

FY

5864748697

119

BD

—

3046—

—

—

BE

—

—

—

162135

118131155

BG BF

—

—

—

Bore size(mm)

125140160180200250

RT

363645454555

(mm)

RY

164184204228257325

M30 x 1.5

M30 x 1.5

M36 x 1.5

M40 x 1.5

M45 x 1.5

M56 x 2

MM N

353539393949

P

1/21/23/43/43/41

S

9898

106111111141

T

555—

—

—

303030—

—

—

V W

—

89—

—

—

ZZ

337337380439459568

MB

—

—

—

253141

MA

—

—

—

M12 x 1.75

M16 x 2

M20 x 2.5

Series CLS

7

Rear flange type/ (G)


15

ZZ1 + l + Stroke

l

h + l

MM


øD

øe

øE

Aø

E

BB

M

BA

F

FAAL

A K

H BY

f

S + Stroke

ZZ + Stroke

GA GA2-Rc PCylinder port

N

BW

BV

BZ

N

FTFXFZ

CB

BF

FY

GB B

Z

4-øFD

4-J


Rc BPUnlocking port(unlocked whenpressurized)GC

MO

DE

L S

MC

FR

EE

LOC

K

CLS

125

CH

EC

K

Cyl

inde

r W

ith$

Lock

ing

Mec

hani

sm

BC

øV

T

Bore size(mm)

Strokerange(mm)

125140160180200250

to 1000to 1000to 1200to 1200to 1200to 1200

A

505056636371

(mm)

AL

474753606067

B

145161182204226277

BF

145160180200225275

BA

757895

106124152

BB

1818233640.558

BC

—

35—

—

—

BV

—

—

—

5 5.56

BW

—

—

—

303442

BY

110110132167187237

BZ

136146169195216261.5

BP

1/41/41/43/83/81/2

C

115128144162182225

D

363640455060

E

909090

115115140

EA

595959707486

F

434343484860

FA

141414171720

FD

191919242429

FT

142020252530

FX

190212236265280355

FY

100112118132150180

FZ

230255275320335420

GA

161618.518.518.523

GB

107114130147163.5197

H

110110120135135160

K

151517202025

KA

313136414656

M

191922262630

J

M14 x 1.5M14 x 1.5M16 x 1.5M18 x 1.5M20 x 1.5M24 x 1.5

GC

5864748697

119

Bore size(mm)

125140160180200250

(mm)

N

353539393949

P

1/21/23/43/43/41

S

9898

106111111141

T

555—

—

—

303030—

—

—

V W

—

89—

—

—

ZZ

332338378438458568

Bore size(mm)

Strokerange(mm)

125140160180200250

e

7575758590

105

(mm)With rod boot

f

404040454555

h

133133141153153176

30 to 100030 to 100030 to 120030 to 120030 to 120030 to 1200

l

0.2 stroke

0.2 stroke

0.2 stroke

0.2 stroke

0.2 stroke

0.17 stroke

ZZ1

355361399456476584

Bore size(mm)

Strokerange(mm)

125140160180200

S

9898

106115120


ZZ

Withoutrod boot

332338378442467

ZZ1

Withrod boot

355361399460485

to 1000to 1000to 1200to 1200to 998

W

118131155

BD

—

3046—

—

—

BE BG

—

—

—

162135

MB

—

—

—

253141

MM

M30 x 1.5M30 x 1.5M36 x 1.5M40 x 1.5M45 x 1.5M56 x 2

MA

—

—

—

M12 x 1.75 M16 x 2 M20 x 2.5

BD


BG BE

—

—

—

8


Single Clevis Type (C)

Dimensions


øD

øE

A

øE

F

FAAL

A K

H BY

f

MM


BB

M

BA

BC

GA GA

N U

L

RR

BW

BZ

BV

GC

CTN

S + Stroke

Z + Stroke

ZZ + Stroke

2-Rc PCylinder port

øCD hole H10Shaft d9


4-J

GB B

Z


CXCB

15

Z1 + l + Stroke

ZZ1 + l + Stroke

l

h + l

øV W

T

CLS

125

MO

DE

L S

MC

FR

EE

LOC

KC

HE

CK

Cyl

inde

r W

ith$

Lock

ing

Mec

hani

sm

øe

Bore size(mm)

Strokerange(mm)

125140160180200250

to 1000 to 1000 to 1200 to 1200 to 1200 to 1200

A

505056636371

(mm)

AL

474753606067

B

145161182204226277

BA

757895

106124152

BB

1818233640.558

BC

—

35—

—

—

BV

—

—

—

5 5.56

BW

—

—

—

303442

BY

110110132167187237

BZ

136146169195216261.5

BP

1/41/41/43/83/81/2

CDH10C

115128144162182225

D

363640455060

CXCT

171720232530

E

909090

115115140

EA

595959707486

F

434343484860

FA

141414171720

GA

161618.518.518.523

GB

107114130147163.5197

H

110110120135135160

K

151517202025

KA

313136414656

L

6575809090

110

M

191922262630

J

M14 x 1.5M14 x 1.5M16 x 1.5M18 x 1.5M20 x 1.5M24 x 1.5

GC

5864748697

119

Bore size(mm)

125140160180200250

RR

293236444455

(mm)

N

353539393949

P

1/21/23/43/43/41

S

9898

106111111141

T

555—

—

—

303030—

—

—

V W

—

89—

—

—

U

354045505065

383393438503523648

Z ZZ

412425474547567703

Bore size(mm)

Strokerange(mm)

125140160180200250

e

7575758590

105

(mm)With rod boot

f

404040454555

h

133133141153153176

30 to 1000

30 to 1000

30 to 1200

30 to 1200

30 to 1200

30 to 1200

l

0.2 stroke

0.2 stroke

0.2 stroke

0.2 stroke

0.2 stroke

0.17 stroke

ZZ1

435448495565585719

Z1

406416459521541664

Bore size(mm)

Strokerange(mm)

125140160180200

S

9898

106115120


ZZ412425474551576

Z383393438507532

ZZ1

435448495569594

Z1

406416459525550

to 1000 to 1000 to 1200 to 1200 to 998

252832404050

+0.0840

+0.0840

+0.1000

+0.1000

+0.1000

+0.1000

323640505063

–0.1–0.3–0.1–0.3–0.1–0.3–0.1–0.3–0.1–0.3–0.1–0.3

118131155

BD

—

3046—

—

—

BE BG

—

—

—

162135

MB

—

—

—

253141

MM

M30 x 1.5M30 x 1.5M36 x 1.5M40 x 1.5M45 x 1.5M56 x 2

MA

—

—

—

M12 x 1.75 M16 x 2 M20 x 2.5

BD


BG BE

Withoutrod boot

Withrod boot

—

—

—

Series CLS

9

Double Clevis Type/(D)


15

Z1 + l + Stroke

ZZ1 + l++ Stroke

l

h + l

f

øD

øE

A

øE

F

FAAL

A K

H BY

MM


BB

M

BA

BC

GA GA

N U

L

RR

BV

BZ

BW

CTN

S + Stroke

Z + Stroke

ZZ + Stroke

2-Rc PCylinder port øCD hole H10

Shaft d9

GC


T

4-J GB B

Z


CX

CZCB

øV W

CLS

125

MO

DE

L S

MC

FR

EE

LOC

KC

HE

CK

Cyl

inde

r W

ith$

Lock

ing

Mec

hani

sm

øe

Bore size(mm)

Strokerange(mm)

125140160180200250

to 1000

to 1000

to 1200

to 1200

to 1200

to 1200

A

505056636371

(mm)

AL

474753606067

B

145161182204226277

BA

757895

106124152

BB

1818233640.558

BC

—

35—

—

—

BV

—

—

—

5 5.56

BW

—

—

—

303442

BY

110110132167187237

BZ

136146169195216261.5

BP

1/41/41/43/83/81/2

C CDH10

115128144162182225

D

363640455060

CT CX

171720232530

E

909090

115115140

EA

595959707486

F

434343484860

FA

141414171720

GA

161618.518.518.523

GB

107114130147163.5197

H

110110120135135160

K

151517202025

KA

313136414656

L

6575809090

110

J

M14 x 1.5M14 x 1.5M16 x 1.5M18 x 1.5M20 x 1.5M24 x 1.5

GC

5864748697

119

Bore size(mm)

125140160180200250

RR

293236444455

(mm)

N

353539393949

MA

M30 x 1.5M30 x 1.5M36 x 1.5M40 x 1.5M45 x 1.5M56 x 2

P

1/21/23/43/43/41

S

9898

106111111141

T

555—

—

—

303030—

—

—

V W

—

89—

—

—

U

354045505065

383393438503523648

Z ZZ

412425474547567703

125140160180200250

e

7575758590

105

(mm)

f

404040454555

h

133133141153153176

30 to 1000

30 to 1000

30 to 1200

30 to 1200

30 to 1200

30 to 1200

l

0.2 stroke

0.2 stroke

0.2 stroke

0.2 stroke

0.2 stroke

0.17 stroke

ZZ1

435448495565585719

Bore size(mm)

Strokerange(mm)

125140160180200

S

9898

106115120

(mm)

ZZ412425474551576

Z383393438507532

ZZ1

435448495569594

Z1

406416459525550

to 1000 to 1000 to 1200 to 1200 to 998

252832404050

+0.084 0 +0.084 0+0.100 0+0.100 0+0.100 0+0.100 0

323640505063

+0.3+0.1+0.3+0.1+0.3+0.1+0.3+0.1+0.3+0.1+0.3+0.1

CZ

647280

100100126

0–0.20

–0.20

–0.2–0.1–0.3–0.1–0.3–0.1–0.3

BD

BG BE


118131155

BD

—

3046—

—

—

BE BG

—

—

—

162135

M

191922262630

MB

—

—

—

253141

MM

—

—

—

M12 x 1.75 M16 x 2 M20 x 2.5

Z1

406416459521541664

Bore size(mm)

Strokerange(mm)

With rod boot With auto switchWithoutrod boot

Withrod boot

—

—

—

10


Center Trunnion type/(T)

Dimensions


15

Z1 + l + 1/2 Stroke

ZZ1 + l + Stroke

l

h + l

Z + 1/2 Stroke

øD

øE

A

øE

MM

S + Stroke

ZZ + Stroke

BB BA

M

F

FAAL

A K

H BY

N N

BW

BV

BZ

MTT

GA GA2-Rc PCylinder port


GC

Rc 1/4BPUnlocking port(unlocked whenpressurized)

GB

R

BZ

TY

øT

De8

W

TXTZ

CB

4-J

f

CLS

125

MO

DE

L S

MC

FR

EE

LOC

KC

HE

CK

Cyl

inde

r W

ith$

Lock

ing

Mec

hani

sm

BC

øV

T

øe

125140160180200250

25 to 100030 to 100035 to 120030 to 120030 to 120030 to 1200

A

505056636371

(mm)

AL

474753606067

B

145161182204226277

BA

757895

106124152

BB

1818233640.558

BC

—

35—

—

—

BV

—

—

—

5 5.56

BW

—

—

—

303442

BY

110110132167187237

BZ

136146169195216261.5

BP

1/41/41/43/83/81/2

C

115128144162182225

D

363640455060

E

909090

115115140

EA

595959707486

F

434343484860

FA

141414171720

GA

161618.518.518.523

GB

107114130147163.5197

H

110110120135135160

P

1/21/23/43/43/41

N

353539393949

K

151517202025

KA

313136414656

M

191922262630

J

M14 x 1.5M14 x 1.5M16 x 1.5M18 x 1.5M20 x 1.5M24 x 1.5

MM

M30 x 1.5M30 x 1.5M36 x 1.5M40 x 1.5M45 x 1.5M56 x 2

GC

5864748697

119

125140160180200250

(mm)

TDe8 TT

505560595969

TZ

234262292326355447

TY

164184204228257325

TX

170190212236265335

303030—

—

—

V W

—

89—

—

—

ZZ

337337380439459568

Z

269269305357.5377.5467.5

125140160180200250

e

7575758590

105

(mm)With rod boot

f

404040454555

h

133133141153153176

30 to 100030 to 100030 to 120030 to 120030 to 120030 to 1200

l

0.2 stroke

0.2 stroke

0.2 stroke

0.2 stroke

0.2 stroke

0.17 stroke

ZZ1

360360401457477584

Z1

292292326375.5395.5483.5

125140160180200

S

9898

106115120

(mm)

ZZ337337380443468

Z269269305361.5386.5

ZZ1

360360401461486

Z1

292292326379.5404.5

to 1000 to 1000 to 1200 to 1200 to 998

323640

–0.050–0.089–0.050–0.089–0.050–0.089

454556

–0.050–0.089–0.050–0.089–0.060–0.106

118131155

BD

—

3046—

—

—

BGBE

—

—

—

162135

MB

—

—

—

253141

MA

—

—

—

M12 x 1.75 M16 x 2 M20 x 2.5

R

11.51.5223

S

9898

106111111141

T

555—

—

—

BD

4-MA

BG BE

Effective thread depth MB(for holding eyebolt)

With auto switch

Bore size(mm)

Strokerange(mm)

Bore size(mm)

Strokerange(mm) Bore size

(mm)Strokerange(mm)

Bore size(mm)

Withoutrod boot

Withrod boot


Series CLS

11

Model

Y-12Y-14Y-16Y-18Y-20Y-25

(mm)

125140160180200250

E1 L1 MM NZ RR1 U1

M30 x 1.5

M30 x 1.5

M36 x 1.5

M40 x 1.5

M45 x 1.5

M56 x 2

64–0.1–0.3

72–0.1–0.3

80–0.1–0.3

100–0.1–0.3

100–0.1–0.3

126–0.1–0.3

46

48

55

70

70

86

A1

8

8

8

8

8

9

100

105

110

125

125

160

27

30

34

42.5

42.5

53

42

47

46

54

54

81

Clevis Pin/Knuckle Pin

Model

IY-12IY-14IY-16IY-18IY-25

(mm)

125140160

180, 200250

Dd9 L l

25–0.065–0.117

28–0.065–0.117

79.5

86.5

94.5

115

144

Cotter pin

32–0.080–0.142

40–0.080–0.142

50–0.080–0.142

69.5

76.5

84.5

105

132

ø4 x 40l

ø4 x 40l

ø4 x 40l

ø4 x 55l

ø5 x 65l

d(drill through)

4

4

4

4

5

Model

NT-12NT-16NT-18NT-20NT-25

(mm)

125, 140160180200250

d H

M30 x 1.5

M36 x 1.5

M40 x 1.5

M45 x 1.5

M56 x 2

18

21

23

27

34

B

46

55

60

70

85

C

53.1

63.5

69.3

80.8

98.1

D

44

53

57

67

82

RR1

l

L5 5

øD

d9

2-ød

NX

32+0.3+0.1

36+0.3+0.1

40+0.3+0.1

50+0.3+0.1

50+0.3+0.1

63+0.3+0.1

NDH10

I Type Single Knuckle Joint

Model

I-12I-14I-16I-18I-20I-25

(mm)

125140160180200250

A2 E1 MM NX RR1 U1

M30 x 1.5

M30 x 1.5

M36 x 1.5

M40 x 1.5

M45 x 1.5

M56 x 2

54

54

60

67

67

75.5

46

48

55

70

70

86

A1

8

8

8

8

8

9

27

30

34

42.5

42.5

53

33

39

39

44

44

66

NDH10

25+0.0840

28+0.0840

32+0.1 0

40+0.10

40+0.10

50+0.10

Rod End Nut

L1

100

105

110

125

125

160

25+0.0840

28+0.0840

32+0.10

40+0.10

40+0.1 0

50+0.10

32–0.1–0.3

36–0.1–0.3

40–0.1–0.3

50–0.1–0.3

50–0.1–0.3

63–0.1–0.3

MM A1

U1

L1

NX

NZ

øNDHole H10Shaft d9

øE

1

RR1

MMA2

A1

L1U1

NX

øNDH10

øE

1

30°

H B

d

D C

Y Type Double Knuckle Joint ∗ Pins and snap rings for double clevis and double knuckle joint are included when shipped.

Applicable boresize (mm)

Material: Cast iron

Material: Carbon steel

Applicable bore size (mm)


Material: Cast iron


Material: Rolled steel

Series CLSAccessory Dimensions

12

Single/Double Knuckle Joint Mounting

HA

L1

H1

125140160180200250

I type single knuckle

I-12

I-14

I-16

I-18

I-20

I-25

Y type double knuckle

Y-12

Y-14

Y-16

Y-18

Y-20

Y-25

H1

156.5

161.5

170.5

193.5

193.5

245.5

L1

100

105

110

125

125

160

H

110

110

120

135

135

160

A

50

50

56

63

63

71

Bore size (mm)

125140160180200250

H125

125

140

155

160

195

A 65

65

76

83

88

106

3.5(mm)

SymbolBore size (mm)

Applicable knuckle joint part nos.

A, H dimensions when single/double knuckle joint and rod end nut are mounted together

∗ Single knuckle joint and double knuckle joint should be used separately.(Fasten by screwing completely into the rod end threads.)

∗ When using a single/double knuckle joint together with a rod end nut, the A and H dimensions should be extended.(For extension of the A and H dimensions, refer to the table above and specify the order made product –XAO.)

Series CLSAccessory Dimensions

13

D-A3D-A44D-A5/A6D-A59WD-A90∗D-A93∗D-G39/K39D-F5/J5D-F5NTLD-F5W/J59WD-F5BALD-F5FD-F9N∗D-F9P∗D-F9B∗

D-A53

Solid State Switch Specifications

Auto switchpart no.

D-F59D-F5PD-J59D-J51D-F59WD-F5PWD-J59WD-F5BALD-F5LFD-F59FD-F5NTLD-G39D-K39

ApplicationsFunctionIndicator

light (lights when ON)

WiringInternal voltage

drop at load current of 10mA

Load voltage

Power supplyvoltage

D-A54

D-A56

D-A64

D-A67

D-A59W∗

D-A34D-A44

D-A90(for lock unit only)

D-A93(for lock unit only)

D-A33

5 to 505 to 505 to 25

5 to 12.5205025

12.530

5 to 40

5 to 505 to 505 to 25

5 to 12.5504020

5 to 405 to 20

None

None

(2 color indication)

None

None

None

None None

None

None

3 wire NPN3 wire PNP

3 wire NPN3 wire PNP

2 wire

4 wire NPN

2 wire

Loadcurrent

40mA or less80mA or less2.5 to 40mA5 to 80mA

40mA or less80mA or less

2.5 to 40mA

80mA or less40mA or less

5 to 40mA

40mA or less

80mA or less

5 to 40mA

———————

Water resistantLatch type with diagnostic output

With diagnostic outputBuilt-in OFF delay timer

——

0.8V or less

0.8V or less

0.8V or less

4V or less

4V or less

4V or less

0.8V or less4.5 to 28VDC

4.5 to 28VDC

20 to 26VDC

4.5 to 28VDC

4.5 to 28VDC

IC circuit,Relay, PLC



24VDC Relay, PLC

24VDC Relay, PLC

24VDC Relay, PLC

24VDC Relay, PLC


AC Relay, PLC

4V or less14V or less

28VDC or less—

10 to 28VDC80 to 260VAC28VDC or less

—

26VDC or less

28VDC or less

10 to 28VDC

10 to 28VDC

10 to 28VDC

∗ The indicator light is a 2 color indication type which shows red at a detection position and green at the optimum position.

∗ (2 color

indication)

D-F9N(for lock unit only)

D-F9P(for lock unit only)

D-F9B(for lock unit only)

3 wire NPN 28VDC or less

—

—

—

——

3 wire PNP

2 wire

∗ Models D-A90, D-A93, D-F9N, D-F9P and D-F9B are exclusively for use with the lock unit.

40mA or less

2 wire

3 wire NPN

——

——

—

Applicable Auto Switch Models

Auto switch type Auto switch models Electrical entry Function

Reed switch

Solid stateswitch

Band mount

Band mount

Direct mount

Direct mount

Tie-rod mount

Tie-rod mount

Terminal conduitDIN terminal

GrommetGrommetGrommetGrommet

Terminal conduitGrommetGrommetGrommetGrommetGrommetGrommetGrommetGrommet

———

2 color indication

————

With timer2 color indication

2 color indication/water resistant2 color indication/with diagnostic output

———

Specific Product Precautions

Be sure to read before handling. Refer to pages 24 through 26 for auto switch precautions.

Reed Switch Specifications

Auto switchpart no.

Max. load current orcurrent range (mA) Applications

Contact protection

circuitLoad voltage

Indicator light(lights when ON)

24VDC24VDC100VAC200VAC

4 to 8VDC24VAC/DC or less

100VAC200VAC

Max. 24VDC

24VDC

24VDC24VDC100VAC200VAC

24VAC/DC or less48VAC/DC or less100VAC/DC or less

24VDC100VAC

PLC

Relay, PLC

IC circuit

Relay, PLC

IC circuit, PLC

IC circuit, Relay, PLC

Relay, PLC

PLC

Relay, PLC

Relay, PLC

∗ In the case of D-A59W, the indicator light is a 2 color indication type which shows red at a detection position and green at the optimum position.

Series CLSAuto Switch Specifications

14

125

140

160

180

200

A

0

0

0

3.5

6

B

0

0

0

1.5

4

(mm)

D-A59W D-F5NTL

125

140

160

180

200

(mm)

D-A3D-G39D-K39

D-A44D-A5D-A6D-A59W

Hs

116

124

134.5

144

154

Hs

75.5

81

89

97.0

107.0

Ht

69.5

76.5

87.5

97.5

108.0

Hs

126

134

144.5

154

164

Hs

74.5

80

88

96

107.5

Ht

70

76.5

87.5

97.5

108.0

D-F5/J5/D-F5NTLD-F5W/J59WD-F5BAL/F5F

D-A5/A6D-A3D-A44D-G39D-K39

D-F5WD-J59WD-F5BALD-F5D-J5

D-F5D-J5D-F5WD-J59WD-F5BALD-F5FD-F5NTL

D-A5/A6D-A59W

D-A3D-G39/K39

D-A44

D-A5/A6/A59WF5/J5/F5NTLF5W/J59WF5BAL /F59F

D-A5, A6D-A59WD-F5, J5

ø125

125

ø140

135

ø160

135

125 140 200

D-F5W, J59WD-F5BALD-F59FD-F5NTL

D-A3D-G39D-K39

D-A44

25

25 + 55

n = 2, 4, 6, 8…

(n–2)2

35

35 + 55n = 2,4,6,8…

(n–2) 2

2pcs.

Different side

Same side

Different side

Same side

Different side

Same side

Different side

Same side

"n"pcs.

35

100

35 + 30 (n–2)

100 + 100 (n–2)

15

2pcs.

"n"pcs.

1 pc.

35

55

35 + 30 (n–2)

55 + 55 (n–2)

151 pc.

125 + 55n = 4, 8, 12, 16…

(n–4)2

145

145 + 55n = 4,8,12,16…

(n–4) 2

135 + 55n = 4,8,12,16…

(n–4) 2

155

155 + 55n = 4,8,12,16…

(n–4) 2

ø180

150

ø200

150

150 + 55n = 4,8,12,16…

(n–4) 2

170

170 + 55n = 4, 8, 12, 16…

(n–4)2

110

110

110 + 30 (n – 2) n = 2,4,6,8…

110 + 100 (n–2) n = 2,4,6,8…

110

110

110

110 + 30 (n–2) n = 2,4,6,8…

110 + 50 (n–2) n = 2,4,6,8…

110

150

150

150

150

150

150

D-A3/A44/G39/K39

BT-12

BS1-125

BT-12

BS1-140

BT-20

BS1-200

160

BT-16

BS1-160

180

BT-18A

BS1-180

A

2

2

2

7.5

10

B

2

2

2

5.5

8

A

4.5

4.5

4.5

10

12.5

B

4.5

4.5

4.5

8

10.5

D-F5F

A

8.5

8.5

8.5

14

16.5

B

8.5

8.5

8.5

12

14.5

A

9.5

9.5

9.5

15

17.5

B

9.5

9.5

9.5

13

15.5

A B49

3456

G 1/2 (compatible cable O.D. ø6.8-ø9.6)

36

n: Quantity

Approx.Hs30

(33)

(33)30A

B

34.5

36

56

Approx. Hs

Auto switchA B

Appr

ox. H

tAp

prox

. Ht

Approx. Hs33

33Auto switch

A

B

150 + 30 (n–2) n = 2, 4, 6, 8…

150 + 30 (n–2)n = 2, 4, 6, 8…

150 + 50 (n–2)n = 2, 4, 6, 8…

150 + 100 (n–2) n = 2, 4, 6, 8…

Cylinder Unit Auto SwitchMounting Brackets/Part Nos.Minimum Strokes for Mounting of Cylinder Unit Auto Switches

Auto switchmodels

Brackets other than center

trunnion

Center trunnion typeNumber of auto switches

mounted

"n" pcs. (same side)

"n" pcs.(same side)

[Stainless Steel Mounting Screw Kit]The stainless steel mounting screw kit (including set screws) shown below has been prepared for use depending on the operating environment. (The mounting brackets are not included and must be ordered separately.) BBA1: For use with D-A5, A6, F5, J5• The above stainless steel screws are used when

D-F5BAL type switches are mounted on a cylinder at the time of shipment. Also when switches are shipped separately, BBA1 is included with them.

Auto switch modelsBore size (mm)

Cylinder Unit Auto Switches/Proper Mounting Position and Height for Stroke End Detection

<Band mount type> <Tie-rod mount type>

Approx. HsAuto switch

Appr

ox. H

t

Auto switch

Numbers in ( ) are for type D-F5LF.

Proper auto switch mounting positions Auto switch mounting height

Bore size (mm)

Auto switchmodels

Bore size (mm)

Auto switchmodels

2 pcs. (different side, same side), 1pc.

2 pcs.(different side,

same side), 1 pc.

Appr

ox. H

t

Series CLS

15

(mm)

125140160180200250

D-A90D-A93

D-F9ND-F9PD-F9B

a 59

68

68

80

86

102

b39

48

48

60

66

82

a57

66

66

76

82

98

b45

54

54

64

70

86

SM

CC

LS12

5M

OD

EL

FR

EE

LOC

KC

HE

CK

Cyl

inde

r W

ith$

Lock

ing

Mec

hani

sm

a

b

Mounting of Lock Unit Auto Switches

When mounting an auto switch, insert it into the cylinder's switch groove from the direction shown in the drawing below. After placing it in the mounting position, use a flat head watchmakers screw driver to tighten the mounting screw which is included.

Flat head watchmakers screw driver

Switch mounting screw (M2.5 x 4l )

(included)

Proper Mounting Positions for Lock Unit Auto Switches

Auto switch

Auto switch models

Bore size (mm)

∗ Be sure to confirm operation after mounting.

CautionWhen tightening the auto switch mounting screw, use a watchmakers screw driver with a handle 5 to 6mm in diameter.The tightening torque should be 0.05 to 0.1N⋅m.As a rule it can be turned about 90° past the point at which tightening can be felt.

Auto Switch Specifications Series CLS

16

Reed Switch Internal Circuits

Zener diode

Reed switch LED

ResistorOUT (–)Blue [Black]

OUT (+)Brown [Red]

D-A53

Indicator lightD-A67

D-A64 D-A59W

Reed switch

Choke coil

Surge absorber

OUT ( ) Blue [Black]

OUT (±) Brown [Red]

Choke coil

Zener diode

Mai

n sw

itch

circ

uit

Reedswitch

LED

OUT (+)Brown [Red]

OUT (–)Blue [Black]

D-A54 Zener diode

Reed switch

Resistor

Choke coil

Surge absorber


OUT (+)Brown [Red]

Reed switch



D-A56

LED

Ree

d sw

itch

Resistor

Diode topreventreversecurrent

OUTBlack [White]

DC (+)Brown [Red]

DC (–)Blue [Black]

Load

(+)

(–)

DC

pow

er

D-A33

Zener diode

Reed switch LED

ResistorOUT (–)Terminal 2

OUT (+)Terminal 1

D-A34, A44

Zener diode

Reed switch LED

Resistor

Choke coil

Surge absorber

OUT (+)Terminal 1

OUT (–)Terminal 2

D-A93

Blue [Black]

LED

Ree

d sw

itch

Resistor

Zenerdiode

Brown [Red]Contactprotectionbox

CD-P11

CD-P12

OUT (+)Brown [Red]


D-A90

Ree

d sw

itch Contact

protectionbox

CD-P11

CD-P12



Optimum operating position

Operating range OFF

ON

RedIndicator

Green Red

Lead wire colors inside [ ] are the old colors prior to conformity with IEC standards.

±

±

±

LED

Series CLS/CDLSAuto Switch Internal Circuits

17

Solid State Switch Internal Circuits

D-F59, F9N D-F5PW D-F59F

D-F5P, F9P D-J59W D-F5LF

D-J59, F9B D-F5BAL D-F5NTL

D-F59W D-J51 D-G39

D-K39

OUTBlack [White]

DC (+)Brown [Red]


Mai

n sw

itch

circ

uit

DC (+)Brown [Red]

OUTBlack [White]


OUT (normal output)Black [White]

DC (+)Brown [Red]


Diagnosis OUT (diagnostic output)Orange [Yellow]

DC (+)Brown [Red]


OUTBlack [White]

Diagnosis OUT (diagnostic output)Orange [Yellow]


OUT (normal output)Black [White]

DC (+)Brown [Red]

OUT (+)Brown [Red]


OUT (+)Brown [Red]


OUTBlack [White]

DC (+)Brown [Red]


OUTBlack [White]

DC (+)Brown [Red]


OUTBrown [Red]OUTBlue [Black]

OUTTerminal 2

DC (+)Terminal 1

DC (–)Terminal 3

OUT (+)Terminal 1

OUT (–)Terminal 2

OUT (+)Brown [Red]


Mai

n sw

itch

circ

uit

Mai

n sw

itch

circ

uit

Mai

n sw

itch

circ

uit

Mai

n sw

itch

circ

uit

Mai

n sw

itch

circ

uit

Mai

n sw

itch

circ

uit

Mai

n sw

itch

circ

uit

Mai

n sw

itch

circ

uit

Mai

n sw

itch

circ

uit

Mai

n sw

itch

circ

uit

Mai

n sw

itch

circ

uit

Mai

n sw

itch

circ

uit

18

Series CLS/CDLSAuto Switch Internal Circuits

Basic WiringSolid state 3 wire, NPN

Sink input specifications

2 wire

Source input specifications

2 wire with 2 switch AND connection 2 wire with 2 switch OR connection

2 wire 2 wire

Solid state 3 wire, PNP

Example: Power supply is 24VDC Voltage drop in switch is 4V

Example: Load impedance is 3kΩLeakage current from switch is 1mA

(When power supply for switch and load are separate.)

Connection Examples for AND (Series) and OR (Parallel)

Examples of Connection to PLC

Connect according to the applicable PLC input specifications, as the connection method will vary de-pending on the PLC input specifica-tions.

When two switches are connected in series, a load may malfunction because the load voltage will decline when in the ON state.The indicator lights will light up if both of the switches are in the ON state.

(Solid state)When two switches are connected in parallel, malfunction may occur because the load voltage will increase when in the OFF state.

Blue[Black]

Main switchcircuit

Load

Brown [Red]

Black[White]

Mainswitchcircuit

Brown[Red]

Load

Blue[Black]

Black[White]

Mainswitchcircuit

LoadBlue[Black]

Brown[Red]

Mainswitchcircuit

Load

Blue[Black]

Brown[Red]

Mainswitchcircuit

Load

Brown [Red]

Blue[Black]

Black[White]

PLC internal circuitCOM

Switch

InputBlack[White]

Brown[Red]

Blue[Black]


Switch

InputBrown[Red]

Blue[Black] PLC internal circuit

Switch

Input

COM

Blue[Black]

Brown[Red]


Switch

InputBlack[White]

Brown[Red]

Blue[Black]

Switch 1

Switch 2

Load

Blue[Black]

Brown[Red]

Blue[Black]

Brown[Red]

Switch 1

Switch 2

Load

Brown[Red]

Blue[Black]

Brown[Red]

Blue[Black]

3 wireOR connection for NPN output

Switch 1

Switch 2

LoadSwitch 1

Brown[Red]

Switch 2

Black[White]

Blue[Black]

Relay

RelayBlack[White]

Load

Relaycontact

AND connection for NPN output(using relays)

Switch 1

Brown[Red]

Switch 2

Load

Brown[Red]

AND connection for NPN output(performed with switches only)

The indicator lights will light up when both switches are turned ON.

(Reed switch)

2 wire

Indicatorlight,

protectioncircuit,

etc.

Brown[Red]

Blue[Black]

Load

(Reed switch)

Brown[Red]

Blue[Black]

Load

(Solid state)

3 wire, NPN 3 wire, PNP

Brown [Red]

Blue[Black]

Blue[Black]

Black[White]

Black[White]

Blue[Black]

Brown[Red]

Blue[Black]

Black[White]

Blue[Black]

Black[White]

Brown[Red]

Because there is no cur-rent leakage, the load volt-age will not increase when turned OFF. However, de-pending on the number of switches in the ON state, the indicator lights may sometimes get dark or not light up, because of dis-persion and reduction of the current flowing to the switches.

Indicatorlight,

protectioncircuit,

etc.

Load voltage at ON = – x 2 pcs.

= 24V – 4V x 2 pcs. = 16V

Power supply voltage

Internal voltage

dropLeakagecurrent

LoadimpedanceLoad voltage at OFF = x 2 pcs. x

= 1mA x 2 pcs. x 3kΩ= 6V

Series CLS/CDLSAuto Switch Connections and Examples

19

Series CLSSafety Instructions

Note 1) ISO 4414: Pneumatic fluid power -- Recommendations for the application of equipment to transmission and control systems.

Note 2) JIS B 8370: General Rules for Pneumatic Equipment

Warning

Caution : Operator error could result in injury or equipment damage.

Warning : Operator error could result in serious injury or loss of life.

Danger : In extreme conditions, there is a possible result of serious injury or loss of life.

These safety instructions are intended to prevent a hazardous situation and/or equipment damage. These instructions indicate the level of potential hazard by a label of "Caution", "Warning" or "Danger". To ensure safety, be sure to observe ISO 4414 Note 1), JIS B 8370 Note 2) and other safety practices.

1. The compatibility of pneumatic equipment is the responsibility of the person who designs the pneumatic system or decides its specifications.Since the products specified here are used in various operating conditions, their compatibility for the specific pneumatic system must be based on specifications or after analysis and/or tests to meet your specific requirements.

2. Only trained personnel should operate pneumatically operated machinery and equipment.Compressed air can be dangerous if an operator is unfamiliar with it. Assembly, handling or repair of pneumatic systems should be performed by trained and experienced operators.

3. Do not service machinery/equipment or attempt to remove components until safety is confirmed.

1. Inspection and maintenance of machinery/equipment should only be performed after confirmation of safe locked-out control positions.

2. When equipment is to be removed, confirm the safety process as mentioned above. Cut the supply pressure for this equipment and exhaust all residual compressed air in the system.

3. Before machinery/equipment is restarted, take measures to prevent shooting-out of cylinder piston rod, etc. (Bleed air into the system gradually to create back pressure.)

4. Contact SMC if the product is to be used in any of the following conditions:1. Conditions and environments beyond the given specifications, or if product is used outdoors.2. Installation on equipment in conjunction with atomic energy, railway, air navigation, vehicles, medical

equipment, food and beverages, recreation equipment, emergency stop circuits, press applications, or safety equipment.

3. An application which has the possibility of having negative effects on people, property, or animals, requiring special safety analysis.

21

Mounting

1. There is a possibility of dan-gerous sudden action by air cylinders if sliding parts of machinery are twisted due to external forces, etc.In such cases, human injury may occur; e.g., by catching hands or feet in the ma-chinery, or damage to the machinery it-self may occur. Therefore, the machine should be designed to avoid such dan-gers.

2. A protective cover is recom-mended to minimize the risk of personal injury.If a stationary object and moving parts of a cylinder are in close proximity, personal injury may occur. Design the structure to avoid contact with the human body.

3. Securely tighten all station-ary parts and connected parts so that they will not become loose.When a cylinder operates with high fre-quency or is installed where there is a lot of vibration, ensure that all parts remain secure.

4. A deceleration circuit or shock absorber, etc., may be required.When a driven object is operated at high speed or the load is heavy, a cylinder's cushion will not be sufficient to absorb the shock. Install a deceleration circuit to re-duce the speed before cushioning, or in-stall an external shock absorber to relieve the shock. In this case, the rigidity of the machinery should also be examined.

5. Consider emergency stops.Design so that human injury and/or dam-age to machinery and equipment will not be caused when machinery is stopped by a safety device under abnormal condi-tions, a power outage or a manual emer-gency stop.

6. Consider the action when operation is restarted after an emergency stop or ab-normal stop.Design the machinery so that human in-jury or equipment damage will not occur upon restart of operation. When the cylin-der has to be reset at the starting posi-tion, install safe manual control equip-ment.

1. Check the specifications.The products advertised in this catalog are designed according to use in industri-al compressed air systems. If the prod-ucts are used in conditions where pres-sure, temperature, etc., are out of specifi-cation, damage and/or malfunction may be caused. Do not use in these condi-tions.

Consult SMC if you use a fluid other than compressed air.

SelectionPrecautions on Design

1. Operate within the limits of the maximum usable stroke.The piston rod will be damaged if operat-ed beyond the maximum stroke.

Refer to the air cylinder model selection procedures for the maximum usable stroke.

2. Operate the piston within a range such that collision damage will not occur at the stroke end.Operate within a range such that damage will not occur when the piston having in-ertial force stops by striking the cover at the stroke end. Refer to the cylinder mod-el selection procedure for the range with-in which damage will not occur.

3. Use a speed controller to adjust the cylinder drive speed, gradually increasing from a low speed to the de-sired speed setting.

4. Provide an intermediate support for cylinders hav-ing a long stroke length.An intermediate support should be pro-vided in order to prevent damage in cylin-ders having a long stroke, due to prob-lems such as sagging of the rod, deflec-tion of the tubing, vibration and external load.

Warning Warning Caution1. Be certain to align the rod

axis with the load and direc-tion of movement when connecting.When not properly aligned, the rod and tube may be twisted, causing damage due to friction on areas such as the inner tube surface, bushings, rod surface and seals.

2. When an external guide is used, connect the rod end and the load in such a way that there is no interference at any point within the stroke.

3. Do not scratch or gouge the sliding parts of the cylinder tube or piston rod, etc., by striking or grasping them with other objects.Cylinder bores are manufactured to pre-cise tolerances, so that even a slight de-formation may cause malfunction. More-over, scratches or gouges, etc., in the pis-ton rod may lead to damaged seals and cause air leakage.

4. Prevent the seizure of rotat-ing parts.Prevent the seizure of rotating parts (pins, etc.) by applying grease.

5. Do not use until you verify that the equipment can op-erate properly.After mounting, repair or modification, etc., connect the air supply and electric power, and then confirm proper mounting by means of appropriate function and leak tests.

6. Instruction manualThe product should be mounted and op-erated after thoroughly reading the man-ual and understanding its contents.Keep the instruction manual where it can be referred to as needed.

Caution

22

Series CLSActuator Precautions 1Be sure to read before handling.

23

1. Readjust using the cushion needle.Cushions are adjusted at the time of ship-ment, however, the cushion needle on the cover should be readjusted when the product is put into service, based upon factors such as the size of the load and the operating speed. When the cushion needle is turned clockwise, the cushion contracts and its effectiveness is in-creased.

2. Do not operate with the cushion needle in a fully closed condition.This will cause damage to the seals.

Cushions

1. Use clean air.Do not use compressed air that includes chemicals, synthetic oils containing or-ganic solvents, salt or corrosive gases, etc., as it can cause damage or malfunc-tion.

Air Supply

1. Install air filters.Install air filters at the upstream side of valves. The filtration degree should be 5µm or finer.

2. Install an after cooler, air dryer or water separator, etc.Air that includes much drainage can cause malfunction of valves and other pneumatic equipment. To prevent this, in-stall an after cooler, air dryer or water separator, etc.

3. Use the product within the range of specifications for fluid temperature and ambi-ent temperature.Take measures to prevent freezing, since moisture in circuits can freeze under 5°C, and this may cause damage to seals and lead to malfunction.

Refer to the "Air Cleaning Equipment" cat-alog for details on compressed air quality.

1. Lubrication of cylinderThe cylinder has been lubricated for life at the factory and can be used without any further lubrication.

Lubrication

Caution

Caution

Warning

Caution

1. Do not use in environments where there is a danger of corrosion.Refer to the construction drawings regard-ing cylinder materials.

2. In dusty locations or where water or oil, etc., splash on the equipment, take suitable measures to protect the rod.

Operating Environment

Warning

1. Perform maintenance ac-cording to the procedure in-dicated in the instruction manual.If handled improperly, malfunction and damage of machinery or equipment may occur.

2. Removal of equipment, and supply and exhaust of com-pressed air.When removing equipment, first check measures to prevent dropping of driven objects and run-away of equipment, etc. Then cut off the supply pressure and electric power, and exhaust all com-pressed air from the system.

When machinery is restarted, proceed with caution after confirming measures to prevent lurching.

Maintenance

1. Drain flushingRemove drainage from air filters regularly. (Refer to specifications.)

Caution

Warning

1. Preparation before pipingBefore piping is connected, it should be thoroughly blown out with air (flushing) or washed to remove chips, cutting oil and other debris from inside the pipe.

2. Wrapping of pipe tapeWhen screwing together pipes and fit-tings, etc., be certain that chips from the pipe threads and sealing material do not get inside the piping.

Also, when pipe tape is used, leave 1.5 to 2 thread ridges exposed at the end of the pipe.

Piping

Caution

Wrapping direction

Pipe tape

Expose approx. 2 threads

Series CLSActuator Precautions 2Be sure to read before handling.

Design & Selection

1. Confirm the specifications.Read the specifications carefully and use this product appropriately. The product may be damaged or malfunction if it is used outside the range of specifications of current load, voltage, temperature or impact.

2. Take precautions when mul-tiple cylinders are used close together.When multiple auto switch cylinders are used in close proximity, magnetic field in-terference may cause the switches to malfunction. Maintain a minimum cylinder separation of 40mm.

3. Pay attention to the length of time that a switch is ON at an intermediate stroke position.When an auto switch is placed at an inter-mediate position of the stroke and a load is driven at the time the piston passes, the auto switch will operate, but if the speed is too great the operating time will be short-ened and the load may not operate prop-erly. The maximum detectable piston speed is:

In cases of high piston speed, the use of an auto switch (D-F5NT) with a built-in OFF delay timer (approx. 200ms) makes it possible to extend the load operating time.

4. Keep wiring as short as possible.<Reed switch>

As the length of the wiring to a load gets longer, the rush current at switching ON becomes greater, and this may shorten the product's life. (The switch will stay ON all the time.)

1) For an auto switch without a contact protection circuit, use a contact protec-tion box when the wire length is 5m or longer.

2) Even if an auto switch has a built-in contact protection circuit, when the wir-ing is more than 30m long, it is not able to adequately absorb the rush current and its life may be reduced. It is again necessary to connect a contact protection box in order to extend its life. Please contact SMC in this case.

<Solid state switch>

3) Although wire length should not affect switch function, use a wire 100m or shorter.

5. Take note of the internal voltage drop of the switch.<Reed switch>

1) Switches with an indicator light (Ex-cept D-A56)

• If auto switches are connected in ser-ies as shown below, take note that there will be a large voltage drop be-cause of internal resistance in the light emitting diodes. (Refer to internal volt-age drop in the auto switch specifica-tions.)

[The voltage drop will be "n" times larg-er when "n" auto switches are connect-ed.]

Even though an auto switch operates normally, the load may not operate.

• In the same way, when operating under a specified voltage, although an auto switch may operate normally, the load may not operate. Therefore, the formu-la below should be satisfied after con-firming the minimum operating voltage of the load.

2) If the internal resistance of a light emit-ting diode causes a problem, select a switch without an indicator light (Model D-A6).


3) Generally, the internal voltage drop will be greater with a 2 wire solid state auto switch than with a reed switch. Take the same precautions as in 1).

Also, note that a 12VDC relay is not applicable.

6. Pay attention to leakage cur-rent.<Solid state switch>

With a 2 wire solid state auto switch, cur-rent (leakage current) flows to the load to operate the internal circuit even when in the OFF state.

If the criteria given in the above formula are not met, it will not reset correctly (stays ON). Use a 3 wire switch if this specification will not be satisfied.

Moreover, leakage current flow to the load will be "n" times larger when "n" auto switches are connected in parallel.

7. Do not use a load that gen-erates surge voltage.<Reed switch>

If driving a load such as a relay that gen-erates a surge voltage, use a switch with a built-in contact protection circuit or use a contact protection box.


Although a zener diode for surge protec-tion is connected at the output side of a solid state auto switch, damage may still occur if the surge is applied repeatedly. When a load, such as a relay or solenoid, which generates surge is directly driven, use a type of switch with a built-in surge absorbing element.

8. Cautions for use in an inter-lock circuitWhen an auto switch is used for an inter-lock signal requiring high reliability, devise a double interlock system to avoid trouble by providing a mechanical protection function, or by also using another switch (sensor) together with the auto switch. Al-so perform periodic maintenance and confirm proper operation.

9. Ensure sufficient clearance for maintenance activities.When designing an application, be sure to allow sufficient clearance for mainte-nance and inspections.

Load

Warning

x 1000Auto switch operating range (mm)

Time load applied (ms)V(mm/s) =

Minimum operating voltage of load

Internal voltage drop of switch >

Supply voltage

–

Operating current of load (OFF condition)

Leakage current>

Series CLSAuto Switch Precautions 1Be sure to read before handling.

24

25

1. Do not drop or bump.Do not drop, bump or apply excessive impacts (300m⁄s² or more for reed switches and 1000m⁄s² or more for solid state switches) while handling.Although the body of the switch may not be damaged, the inside of the switch could be damaged and cause a malfunc-tion.

2. Do not carry a cylinder by the auto switch lead wires.Never carry a cylinder by its lead wires. This may not only cause broken lead wires, but it may cause internal elements of the switch to be damaged by the stress.

3. Mount switches using the proper fastening torque.When a switch is tightened beyond the range of fastening torque, the mounting screws, mounting bracket or switch may be damaged. On the other hand, tighten-ing below the range of fastening torque may allow the switch to slip out of posi-tion.

4. Mount a switch at the center of the operating range.Adjust the mounting position of an auto switch so that the piston stops at the center of the operating range (the range in which a switch is ON).(The mounting position shown in a cata-log indicates the optimum position at stroke end.) If mounted at the end of the operating range (around the borderline of ON and OFF), operation will be unsta-ble.

Warning6. Avoid incorrect wiring.

<Reed switch>

∗ A 24VDC switch with indicator light has polarity. The brown lead wire or terminal No.1 is (+) and the blue lead wire or ter-minal No.2 is (–).

1) If connections are reversed, a switch will operate, however, the light emit-ting diode will not light up.

Also note that a current greater than that specified will damage a light emitting diode and it will no longer op-erate.Applicable models:D-A33, A34, A44, A93, D-A53, A54

2) Note however, that in the case of 2 color indicator type auto switches (D-A59W), if the wiring is reversed, the switch will be in a normally ON condi-tion.


1) If connections are reversed on a 2 wire type switch, the switch will not be damaged if protected by a protec-tion circuit, but the switch will always stay in an ON state. However, it is still necessary to avoid reversed con-nections, since the switch could be damaged by a load short circuit in this condition.

∗ 2) If connections are reversed (power supply line + and power supply line –) on a 3 wire type switch, the switch will be protected by a protection cir-cuit. However, if the power supply line (+) is connected to the blue wire and the power supply line (–) is con-nected to the black wire, the switch will be damaged.

Wiring

Warning

Old

RedBlackWhite

Yellow

NewBrownBlueBlack

Orange

Power supply

GND

Output

Diagnostic output

Solid statewith diagnostic output

Old

RedBlack

NewBrownBlue

Output (+)Output (–)

2 wireOld

RedBlackWhite

NewBrownBlueBlack

Power supply

GND

Output

3 wire

Old

RedBlackWhite

Blue

NewBrownBlueBlack

Orange

Power supply

GND

OutputLatch typediagnostic output

Solid state with latchtype diagnostic output

∗ Lead wire color changes Lead wire colors of SMC auto switches have been changed in order to meet NECA Stand-ard 0402 for production begin-ning September, 1996 and thereafter. Please refer to the tables provided.Special care should be taken regarding wire polarity during the time that the old colors still coexist with the new colors.

Mounting & Adjustment

1. Avoid repeatedly bending or stretching lead wires.Broken lead wires will result from apply-ing bending stress or stretching force to the lead wires.

2. Be sure to connect the load before power is applied.<2 wire type>

If the power is turned ON when an auto switch is not connected to a load, the switch will be instantly damaged be-cause of excess current.

3. Confirm proper insulation of wiring.Be certain that there is no faulty wiring insulation (contact with other circuits, ground fault, improper insulation be-tween terminals, etc.). Damage may oc-cur due to excess current flow into a switch.

4. Do not wire with power lines or high voltage lines.Wire separately from power lines or high voltage lines, avoiding parallel wiring or wiring in the same conduit with these lines. Control circuits, including auto switches, may malfunction due to noise from these other lines.

5. Do not allow short circuit of loads.<Reed switch>If the power is turned ON with a load in a short circuited condition, the switch will be instantly damaged because of excess current flow into the switch.

<Solid state switch>Model D-J51 and all models of PNP out-put type switches do not have built-in short circuit prevention circuits. If loads are short circuited, the switches will be instantly damaged, as in the case of reed switches.

∗ Take special care to avoid reverse wiring with the power supply line (brown) and the output line (black) on 3 wire type switches.


1. Never use in an atmosphere of explosive gases. The construction of auto switches is not intended to prevent explosion. Never use in an atmosphere with an explosive gas since this may cause a serious explosion.

2. Do not use in an area where a magnetic field is generat-ed.Auto switches will malfunction or magnets inside cylinders will become demagne-tized. (Consult SMC regarding the availa-bility of a magnetic field resistant auto switch.)

3. Do not use in an environ-ment where the auto switch will be continually exposed to water.Although switches, except for some mod-els (D-A3, A44, G39, K39), satisfy IEC standard IP67 construction (JIS C 0920: watertight construction), do not use switches in applications where continually exposed to water splash or spray. Poor insulation or swelling of the potting resin inside switches may cause malfunction.

4. Do not use in an environ-ment with oil or chemicals.Consult SMC if auto switches will be used in an environment with coolant, cleaning solvent, various oils or chemicals. If auto switches are used under these conditions for even a short time, they may be ad-versely affected by improper insulation, malfunction due to swelling of the potting resin, or hardening of the lead wires.

5. Do not use in an environ-ment with temperature cy-cles.Consult SMC if switches are used where there are temperature cycles other than normal temperature changes, as they may be adversely affected internally.

6. Do not use in an environ-ment where there is exces-sive impact shock.<Reed switch>

When excessive impact (300m/s² or more) is applied to a reed switch during operation, the contact point will malfunc-tion and generate or cut off a signal mo-mentarily (1ms or less). Consult SMC re-garding the need to use a solid state switch depending upon the environment.

7. Do not use in an area where surges are generated.<Solid state switch>

When there are units (solenoid type lifter, high frequency induction furnace, motor, etc.) which generate a large amount of surge in the area around cylinders with solid state auto switches, this may cause deterioration or damage to the switches. Avoid sources of surge generation and crossed lines.

8. Avoid accumulation of iron debris or close contact with magnetic substances.When a large amount of ferrous debris such as machining chips or spatter is ac-cumulated, or a magnetic substance (something attracted by a magnet) is brought into close proximity with an auto switch cylinder, it may cause the auto switch to malfunction due to a loss of the magnetic force inside the cylinder.


1. Perform the following main-tenance periodically in or-der to prevent possible dan-ger due to unexpected auto switch malfunction.1) Securely tighten switch mounting

screws.

If screws become loose or the mount-ing position is dislocated, retighten them after readjusting the mounting position.

2) Confirm that there is no damage to lead wires.

To prevent faulty insulation, replace switches or repair lead wires, etc., if damage is discovered.

3) Confirm the lighting of the green light on the 2 color indicator type switch.

Confirm that the green LED is on when stopped at the established position. If the red LED is on, the mounting posi-tion is not appropriate. Readjust the mounting position until the green LED lights up.

Maintenance

1. Consult SMC concerning water resistance, elasticity of lead wires, and usage at welding sites, etc.

Other

Warning Warning

Warning


26

27

Part Descriptions

3. In order to further improve stopping accuracy, the time from the stop signal to the operation of the lock should be shortened as much as possible.To accomplish this, use a device such as a highly responsive elec-tric control circuit or solenoid valve driven by direct current, and place the solenoid valve as close as possible to the cylinder.

4. Note that stopping accuracy will be influenced by changes in piston speed.When piston speed changes during the course of the cylinder stroke due to variations in the load or disturbances, etc., the dispersion of stopping positions will increase. Therefore, consideration should be given to establishing a standard speed for the piston just before it reaches the stopping position.

Moreover, the dispersion of stopping positions will increase during the cushioned portion of the stroke and during the accelerating por-tion of the stroke after the start of operation, due to the large changes in piston speed.

1. When in a locked condition, do not apply a load ac-companied by an impact shock, strong vibration or turning force, etc.Use caution, because an external action such as an impacting load, strong vibration or turning force, may damage the locking mecha-nism or reduce its life.

2. Consider stopping accuracy and the amount of over-run when an intermediate stop is performed.Due to the nature of a mechanical lock, there is a momentary lag with respect to the stop signal, and a time delay occurs before stop-ping. The cylinder stroke resulting from this delay is the overrun amount. The difference between the maximum and minimum over-run amounts is the stopping accuracy.

• Place a limit switch before the desired stopping position, at a dis-tance equal to the overrun amount.

• The limit switch must have a detection length (dog length) of the overrun amount + α.

• SMC's auto switches have operating ranges from 8 to 14mm (de-pending on the switch model).When the overrun amount exceeds this range, self-holding of the contact should be performed at the switch load side.

∗ Refer to page 2 regarding stopping accuracy.

Selection

1. Construct so that the human body will not come into direct contact with driven objects or the moving parts of the cylinder with brake.Devise a safe structure by attaching protective covers that prevent direct contact with the human body, or in cases where there is a danger of contact, provide sensors or other devices to perform an emergency stop, etc., before contact occurs.

2. Use a balance circuit, taking cylinder lurching into consideration.In cases such as an intermediate stop, where a lock is operated at a desired position within the stroke and air pressure is applied from only one side of the cylinder, the piston will lurch at high speed when the lock is released. In such situations, there is a danger of causing human injury by having hands or feet, etc., caught, and al-so a danger of causing damage to the equipment. In order to pre-vent this lurching, a balance circuit such as the recommended air pressure circuits (page 29) should be used.

3. When designing equipment and machinery, give consideration to clearance and mounting orientation so that manual release of the lock (using the manual release bolt) will be possible.

Design of Equipment and Machinery

Warning

Brake cylinder

Tie-rod nut

Piston rod

Adjustment unit cover

Plug

Manual releasebolt (P. 27 & 28)

Switch for lockunit (P. 29)

Lock monitor (P.28)

Plug with breathing holeLock release port

Cylinder actuation ports@SMC

MODEL CLS125

@SMC

MODELCLS125

Clearance

Lock unit

Base cylinder

Warning

Stop signal

Amount of overrun

140160180200250

125 50

60

708090

Bore size (mm) Clearance (mm)∗ Minimum clearance for manual release

Manualrelease bolt

Series CLSSpecific Product Precautions 1Be sure to read before handling.Refer to pages 21 through 26 for safety instructions, actuator precautions and auto switch precautions.

2. Cautions when using the base unit and when changing bracket positions, etc.The lock unit and cylinder rod cover are assembled as shown in the drawing below. For this reason, it cannot be installed as in the case of common air cylinders, by using the basic type and screwing the cylinder tie-rods directly to machinery.Furthermore, when brackets are replaced, the unit holding tie-rods may become loose and they should be retightened.

1. Adjust the cylinder's air balance.Balance the load by adjusting the air pressure in the front and rear sides of the cylinder with the load connected to the cylinder and the lock in a released condition. Lurching of the cylinder when unlocked can be prevented by carefully adjusting this air balance.

2. Adjust the mounting positions of the detec-tors on auto switches, etc.When intermediate stops are to be performed, adjust the mounting positions of detectors on auto switches, etc., taking in-to consideration the overrun amount with respect to the desired stopping positions.

Caution

JIS B1181 Class 2M14 x 1.5

Mounting Mounting

Warning

Mounting

Caution1. Do not apply an offset load to the piston rod.

Particular care should be taken to match the load's center of gravity with the center of the cylinder shaft. When there is a large discrep-ancy, the piston rod may be subjected to uneven wear or damage due to the inertial moment during locking stops.

3. The adjustment screw inside the adjustment unit cover is set before shipment. Since any discrepancy in this adjustment can cause cyl-inder or lock malfunction, etc., never touch the screw.

4. When raising the unit, do not insert your hands or fingers.As this is a heavyweight product, be sure to use caution.Screw holes for installing eyebolts are provided for ø180, ø200 and ø250. (Eyebolts are not included in the unit.)

Bore size (mm)

125140

160180200

Hexagon socket head taper plug

Rc 1/4

Rc 3/8

250 Rc 3/4

Hexagon socket head taper plug sizes

Adjustment

Bore size (mm)125140160

Tie-rod nut


JIS B1181 Class 2M18 x 1.5180


Bore size (mm)

200

250

Tie-rod nut


Lock unit

Wing nutConical spring washerRod cover

Cylinder tie-rod

Wing nutUnit holding tie-rod

Tie-rod nut,spring washer

3. When installing the cylinder to machinery, etc., secure enough clearance and consider the mounting direction for manual lock release (releasing with the manual release bolt).

Bore size (mm)

140160

125Clearance (mm)

50

60

180 70200 80250 90

∗ Minimum clearance for manual releasem

Manualrelease bolt

1. Be certain to connect the rod end to the load with the lock released.

• If connected when in the locked condition, turning force or a load greater than the holding force may operate on the piston rod and cause damage to the lock mechanism. The CLS series is equip-ped with an emergency unlocking mechanism, however, the load should be connected to the rod end with the lock in the re-leased condition. This can be accomplished manually or by sim-ply connecting an air line to the unlocking port and supplying air pressure of 0.25MPa or more.

2. The unit is shipped from the factory with the lock in the released condition. Since the lock will not operate in this condition, be sure to put it in the locked condition before operation, following the procedure given below.(1) Remove the manual release bolt using a hexagon wrench.(2) Next confirm that the white mark on the brake cylinder's lock

monitor is in the LOCK position.(3) Block the bolt insertion hole with the hexagon socket head

taper plug which is included.

∗ An offset load can be operated if there is an effective guide to absorb all of the generated moment.

X Load center of gravity and cylinder shaft center are not matched.

• Load center of gravity and cylinder shaft center are matched.


28

29

Lock Monitor

Unlocked Locked by operation of brake

1. Be certain to use a pneumatic circuit which will apply balancing pressure to both sides of the pis-ton when in a locked stop.In order to prevent cylinder lurching when restarting or manually un-locking after a locked stop, a circuit should be used to apply balanc-ing pressure to both sides of the piston, thereby canceling the force generated by the load in the direction of piston movement.

2. Use a solenoid valve for unlocking with an effec-tive area that is 25% or more of the effective area of the cylinder drive solenoid valve. The larger the effective sectional area is, the shorter the locking time will be (the overrun amount will be shorter), and stopping accu-racy will be improved.

3. Place the solenoid valve for unlocking close to the cylinder, and no farther than the cylinder drive sol-enoid valve.The shorter the distance from the cylinder (the shorter the piping), the shorter the overrun amount will be, and stopping accuracy will be improved.

4. Allow at least 0.5 seconds from a locked stop (in-termediate stop of the cylinder) until release of the lock.When the locked stop time is too short, the piston rod (and load) may lurch at a speed greater than the control speed of the speed controller.

5. When restarting, control the switching signal for the unlocking solenoid valve so that it acts before or at the same time as the cylinder drive solenoid valve.If the signal is delayed, the piston rod (and load) may lurch at a speed greater than the control speed of the speed controller.

6. Basic circuits

1. [Horizontal]

Pneumatic Circuits

Warning

2. [Vertical]

[Load in direction of rod extension] [Load in direction of rod retraction]

SOL.C SOL.BSOL.A

W

SOL.C SOL.B SOL.A

W

Forward

Backward

3 portnormallyclosed

Brake lever Brake piston

Locking spring

Brake cylinderAuto switch for lock unit

Eccentric cam shaft

Brake shoe holder

Brake shoePiston rod

SOL.A SOL.C SOL.B

Pressurecenter

Regulatorw/checkvalve

WSOL.AONOFFONONONOFFONON

SOL.BONOFFOFFONOFFOFFOFFOFF

SOL.COFFOFFOFFOFFONOFFOFFON

ActionForwardLocked stopUnlockedForwardBackwardLocked stopUnlockedBackward

0.5s ormore0 to0.5s

0.5s ormore0 to0.5s

∗ The condition of the lock monitor and the detection signal from the lock unit switch do not directly confirm the locking condition at the piston rod, but confirm this indirectly from the position of the brake piston.

1. By installing a switch on the brake cylinder of the Series CLS, the operating condition (unlocked side) of the lock unit (brake piston) can be detected as a switch signal.

Lock unit mechanismThe spring force applied to the brake piston is transmitted and magnified through the lever, eccentric cam shaft and brake shoe holder, finally tightening on the piston rod via the brake shoe and locking the piston rod by means of their mutual frictional force.

Auto Switch for Lock Unit

Caution

Caution

FREE LOCK CHECK

FREE LOCK CHECK

FREE LOCK CHECK

Mark (white)

The position of the lock condition mark on the lock monitor gradually moves to the right side with wear of the shoe, etc. When the mark is half way or more into the CHECK zone, this indicates that the brake shoe is near the end of its life. (The brake will not immediately become ineffective in this condition.)

Locked condition(when air is exhausted)

Brake shoe life

Series CLS is equipped with a lock monitor on the lock unit. Use the lock monitor as a criterion to confirm the operating condition of the lock unit (brake piston) and the state of wear (life) of the brake shoe.

∗ Please note that the position of the mark when locked varies somewhat from unit to unit.


1. In locations where the cylinder body will be direct-ly exposed to cutting oil or coolant, etc., a cover or other protection should be provided for the cylin-der body and rod.


Caution

1. The operating condition of the lock unit (brake pis-ton) can be confirmed externally by means of the lock monitor.1) When the lock monitor mark has moved half way or more into

the CHECK zoneIf used in this condition, the holding force will gradually de-crease. If an operational problem is found in the course of checking the lock's operating condition, early replacement of the cylinder body or lock unit is necessary. Contact SMC re-garding replacement of the lock unit.

2) When the lock monitor mark moves into the CHECK zone prematurelySince there is a possibility of damage to the lock unit, consult SMC after reviewing the method of operation.

2. This cylinder is a non-lube type. Do not lubricate the cylinder or apply grease to the piston rod, as there is a danger of drastically reducing brake per-formance.

3. When replacing seals in the base cylinder, it is recommended that the lock unit be separated from the base cylinder so that replacement work can be done on the cylinder alone. Refer to separate in-structions for seal replacement.

4. Never disassemble the lock unit.

• A heavy duty spring is contained in part of the unit, which pres-ents a serious hazard if disassembly is performed incorrectly.

• In addition, the lock unit is adjusted before shipment. If readjust-ment is not performed correctly after reassembly, a serious dan-ger will be created, as performance will not meet specifications.

Maintenance

Caution

1. The Series CLS manual release mechanism is an emergency unlocking mechanism only.During an emergency when the air supply is cut off, it is used to alle-viate a problem by forcibly pulling the brake piston back to release the lock.

2. In the case of large bore cylinders, even when the lock is released, operational resistance as shown in the table below is generated in a non-load state.

3. Care must be taken, because if the manual release bolt is screwed in only part way and air is supplied to the unlocking port, or it is changed from a sup-ply to an exhaust state, the head of the manual re-lease bolt may be ejected from the end of the brake cylinder or be pulled in creating a serious hazard.

Unlocking procedure using the manual release bolt1. Remove the hexagon socket head taper plug

which is on the same side as the brake cylinder adjustment unit cover.

2. Insert the manual release bolt (see table below) in-to the threads and screw it in clock-wise.

3. The lock is released by screwing in the manual re-lease bolt until the white mark of the lock monitor on the top of the brake cylinder moves to the FREE position.

Manual Unlocking Manual Unlocking

Caution

1. Never perform the manual unlocking opera-tion (with the manual release bolt, etc.) until safety has been confirmed.1) If air pressure is applied to only one side of the cylinder when un-

locking is performed, the moving parts of the cylinder may lurch at high speed causing a serious hazard.

2) When unlocking is performed, be sure to confirm that personnel are not within the movement range of the load, and also that no problems will be caused if the load is actuated.

2. When unlocking in the case of loads which move up and down, take measures to assure that the load will not drop.1) Perform work with the load at its lowest position.2) Prevent dropping of the load by using a support or brace, etc. 3) Verify that balanced pressure is applied to both sides of the pis-

ton.

Warning

Locked(with air evacuated)

[Principle]When the manual release bolt is screwed in clock-wise, the brake pis-ton is pulled back and the spring is compressed. This causes the lever to be returned, releasing the lock.

Manually unlocked(with manual release bolt screwed in)

Manualrelease bolt

Lock springBrake piston

Brake lever

Eccentriccam shaft

Brake shoeholder

∗ In case the manual release bolt is not available, use an appropriate hexagon socket head bolt (full thread) as shown above.

125

M6 x 1.0 x 35l

30

140

M6 x 1.0 x 40l

32

160

M8 x 1.25 x 40l

35

180

M10 x 1.5 x 50l

40.5

200

M10 x 1.5 x 55l

45

250

M12 x 1.75 x 70l

55

Unit: mm

Bore size (mm)

Manualrelease boltScrew depth

125

962

180

1995

140

1206

200

2463

250

3848

160

1576

Bore size (mm)

Operationalresistance (N)


30

31

1. In order that the originally selected maximum speed is not exceeded, be certain to use a speed controller and adjust if so that movement through the total movement distance of the load takes place in no less than the applicable movement time.The movement time is the time that is necessary for the load to travel the total movement distance from the start without any intermediate stops.

2. In cases where the cylinder stroke and the movement distance of the load are different (double speed mechanism, etc.), use the movement distance of the load for selection purposes.

Find the maximum load speed: V

Selection Example

Caution

Example)

• Load weight: m = 320kg• Movement distance: st = 400mm• Movement time: t = 2s• Load condition: Vertical downward = Load in direction of rod extension • Operating pressure: P = 0.4MPa

Step 1: From graph 1 find the maximum movement speed of the load

∴ Maximum speed V: approx. 280mm/s

Step 2: Select Graph 6 based upon the load condition and operating pressure, and then from the intersection of the maximum speed V = 280mm/s found in Step 1, and the load weight m = 320kg

∴ ø140→ select a CLS140 or larger bore size.

Find the maximum load speed: V(mm/s) from the load movement time: t(s) and the movement distance: st(mm).

Find the cylinder bore size.

Select a graph based upon the load condition and operating pressure, and then find the point of intersection for the maximum speed found in Step 1 and the load weight. Select the bore size on the line above the point of intersection.

Load condition Operating pressure

from 0.4MPa Graph 3

from 0.3MPa Graph 2

from 0.5MPa Graph 4

from 0.4MPa Graph 6

from 0.3MPa Graph 5

from 0.5MPa Graph 7

Step 2

Step 1

V'

V

Cylinder stroke

W

Movementdistance of load

F

m

F

m

F

Precautions on Model Selection

Direction of load at right angle to rod(∗ Being held by a guide)

Load in direction of rod extensionLoad in direction of rod retraction

Graph 15040

1600st2000st2400st

1400st1200st1000st800st600st500st400st

300st

200st

100st

30

20

10

543

2

1

0.50.40.3

0.2

0.1100 200 300 400 500

[Example]

Load

mov

emen

t tim

e: t(

S)

Maximum speed: V(mm/s)

m

Series CLSModel Selection

Graph 6Graph 3

Graph 7Graph 4

100 500400300200

100 500400300200

100

1000

200

300

400

500

2000

4000

3000

700800900

600

100 500400300200100

1000

200

300

400

500

2000

4000

3000

ø125700800900

600

100 500400300200

100 500400300200

100

100

1000

200

300

400

500

2000

4000

3000

700800900

600

100 500400300200100

1000

200

300

400

500

2000

4000

3000

700800900

600

1000

2000

3000

4000

400

200

100

300

500

700800900

600

1000

2000

4000

3000

400

200

300

500

700800900

600

ø160

ø140

ø180

ø250

ø200

ø125

ø160

ø140

ø180

ø250

ø200

ø125

ø160

ø140

ø180

ø250

ø200

ø125

ø160

ø140

ø180

ø250

ø200

ø125

ø160

ø140

ø180

ø250

ø200

ø125

ø160

ø140

ø180

ø250

ø200

[Example]


Load

wei

ght:

m(k

g)

Maximum speed: V(mm/s)Lo

ad w

eigh

t: m

(kg)


Load

wei

ght:

m(k

g)


Load

wei

ght:

m(k

g)


Load

wei

ght:

m(k

g)


Load

wei

ght:

m(k

g)

Selection Graphs

Graph 5Graph 2 0.3MPa≤P<0.4MPa 0.3MPa≤P<0.4MPa

0.4MPa≤P<0.5MPa 0.4MPa≤P<0.5MPa

0.5MPa≤P 0.5MPa≤P

Model selection Series CLS

32

EUROPESPAIN/PORTUGALSMC España, S.A.

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SOUTH AMERICAARGENTINASMC Argentina S.A.

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DENMARKSMC Pneumatik A/S

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GERMANYSMC Pneumatik GmbH

HUNGARYSMC Hungary Kft.

IRELANDSMC Pneumatics (Ireland) Ltd.

ITALYSMC Italia S.p.A.

NETHERLANDSSMC Pnuematics BV.

NORWAYSMC Pneumatics Norway A/S

ROMANIASMC Romania s.r.l.

RUSSIA SMC Pneumatik LLC.

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SLOVENIASMC Slovenia d.o.o.

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Specifications are subject to change without prior notice and any obligation on the part of the manufacturer.

Printed in Japan.1st printing March, 2000 D-SMC.L.A. P-80 (JT)

cylinder with lock seriescls - smc · wedge effect of the eccentric cam shaft ... action type...

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