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MDZ_2000_EN_ANL_rev07.doc 24.03.2015

REOTRON

MDZ 2000 Regulating / Firing unit

for Rectifiers

REOTRON MDZ 2000 Operating instructions

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Contents Technical Information for the User ............................................................................................................... 3

1.0 General ................................................................................................................................................... 4

2.0 Function description................................................................................................................................ 4

3.0 Technical Data ........................................................................................................................................ 5

3.1 Declaration of Conformity ................................................................................................................... 5

4.0 Mains Connections ................................................................................................................................. 6

4.1 Control Inputs ...................................................................................................................................... 6

4.2 Pulse Enable ....................................................................................................................................... 6

4.3 Set Point Enable ................................................................................................................................. 6

4.4 Over Temperature ............................................................................................................................... 6

4.5 Voltage Set Point ................................................................................................................................ 6

4.6 Current Set Point ................................................................................................................................. 6

4.7 Effective Voltage Value ....................................................................................................................... 6

4.8 Effective Current Value ....................................................................................................................... 6

5.0 Control Outputs ....................................................................................................................................... 7

5.1 Firing Pulses ....................................................................................................................................... 7

5.2 Fault Condition .................................................................................................................................... 7

6.0 Modes ..................................................................................................................................................... 8

6.1 Regulation mode ................................................................................................................................. 8

6.2 Set point .............................................................................................................................................. 9

6.3 Feedback ............................................................................................................................................ 9

6.4 Control functions ................................................................................................................................. 9

7.0 Ordering codes ..................................................................................................................................... 10

8.0 Operation .............................................................................................................................................. 11

8.1 Adjustment ........................................................................................................................................ 11

8.2 Adjustment Procedure ...................................................................................................................... 11

8.3 Indications on display ........................................................................................................................ 12

8.4 Error Messages ................................................................................................................................. 12

9.0 Settings ................................................................................................................................................. 13

9.1 Setting up instructions ....................................................................................................................... 14

9.2 Internal set point ................................................................................................................................ 14

9.3 Unit configuration .............................................................................................................................. 14

9.3.1 Control mode .................................................................................................................................. 15

9.3.2 Service menu ................................................................................................................................. 15

9.3.3 Display effective values measured inside unit ............................................................................... 15

9.4 Setting Up Procedures ...................................................................................................................... 16

9.5 Select Interface ................................................................................................................................. 16

9.6 Save current settings ........................................................................................................................ 17

9.7 Restore parameter settings ............................................................................................................... 17

9.8 Software version ............................................................................................................................... 17

9.9 Hide parameter menus ..................................................................................................................... 17

10.0 Dimensions ......................................................................................................................................... 18

11.0 Putting into service ............................................................................................................................. 19

11.1 Preliminaries ................................................................................................................................... 19

11.2 Measurements and Settings ........................................................................................................... 19

11.3 Putting into service without a proper load ....................................................................................... 19

12.0 Installation of Thyristor Control Units.................................................................................................. 20

12.1 Fuses .............................................................................................................................................. 20

12.2 Installation and climatic Conditions ................................................................................................. 20

12.3 Signal cables ................................................................................................................................... 20

13.0 Interference prevention ....................................................................................................................... 20

13.1 Earthing ........................................................................................................................................... 20

13.2 Control cables ................................................................................................................................. 20

13.3 Interference protection of other external components and equipment ........................................... 20

13.4 Actual value output 0…20mA / 4…20mA adjustment ..................................................................... 21

14.0 Connection Circuits............................................................................................................................. 22

14.1 Three-phase thyristor controller ...................................................................................................... 22

14.2 Fully controlled three-phase bridge................................................................................................. 23

15.0 Declaration of conformity .................................................................................................................... 24


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Technical Information for the User

This description contains the necessary information for the correct application of the product described below. It is intended for use by technically qualified personal. Qualified personnel are persons who, because of their training, experience and position as well as their knowledge of appropriate standards, regulations, health and safety requirements and working conditions, are authorised to be responsible for the safety of the equipment, at all times, whilst carrying out their nor-mal duties and are therefore aware of, and can report, possible hazards (Definition of specialist according to IEC 364). Safety Instructions The following instructions are provided for the personal safety of operators and also for the protection of the described product and connected equipment.

Warning! Hazardous Voltage Failure to observe can kill, cause serious injury or damage

• Isolate from mains before installation or dismantling work, as well as for fuse changes or post installation modifications.

• Observe the prescribed accident prevention and safety rules for the specific application. • Before putting into operation check if the rated voltage for the unit conforms with the local

supply voltage. • Emergency stop devices must be provided for all applications. Operation of the emergency

stop must inhibit any further uncontrolled operation. • Electrical connections must be covered • Earth bonding must be tested prior to operation Prescribed Use The units described herein are electrically powered for use in industrial applications. They are designed for power adjustment of resistive or inductive loads

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1.0 General

The range of REOTRON MDZ regulators are microprocessor based units for the control of thyristors in 6 pulse power control units. The units comprise control and regulating electronics and also firing pulse generation and the pulse output card. The power controller can be used as a current or voltage regulator, whereby self-correction is made rela-tive to small set point. The set point can be derived from an external potentiometer, 0…10 VDC or a 0…20mA / 4…20mA control signal. The standard effective value is +/- 0…40 VDC for the rectifier output voltage and +/- 0…100mA for the output current, however it is also possible to use a 0…10 VDC regulat-ed input signal. Below is a brief summary of the main functions: All 6 pulses in the power control circuit can be used, including primary control of a transformer Set point enable (switch or 24 VDC control signal) Impulse enable (switch or 24 VDC control signal) Input for over temperature switch Set point source from potentiometer, control voltage 0…10 VDC or 0…20mA / 4…20mA, DC Adjustable start-up and run-down ramps Additional over current monitor (adjustable from 100% to 150% of the maximum current) Switchable to adjustable mode without regulator control Connection for clockwise or anticlockwise phase rotation (self detection) Potential free change over contacts for faulty warning 2.0 Function description

The MDZ regulating and firing unit has been conceived for the regulation of power units eg as used in the electro-plating industry. It includes voltage or current regulation. In the voltage regulation mode the out-put voltage is held constant, relative to a set point, through the internal regulating circuitry. Load or mains voltage changes therefore have no influence on the output voltage. When the unit is used as a current regulator, the output current of the unit is compared with the set point and the output adjusted according-ly. The output voltage can, under these conditions, rise to maximum. If both set points are used simultaneously, the regulator with the lowest value always has priority. This means, for example, that for a voltage regulator with a secondary current regulation, the voltage control remains in operation providing the selected current value is not exceeded. If the current limit is reached, then the current regulator has priority. If the unit is used as a pure voltage or current controller, the refer-ence voltage (10 VDC), provided for the other set point inputs, must be linked.


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3.0 Technical Data

Mains Supply 3x 400 V +6%-10% 50/60 Hz

Firing Pulse Steps 6

Pulse Voltage ca. 12 V

Pulse Current 500 mA

Transformer Groups Dd0, Yy0, Dz0, Dy5, Yd5, Yz5,Dd6, Yy6, Dz6, Dy11, Yd11, Yz11 and Primary Control

Voltage Set Point 0...10 V, DC / 0...20 mA / 4...20 mA / Poti 1 kΩ

Current Set Point 0...10 V, DC / 0...20 mA / 4...20 mA / Poti 1 kΩ

Voltage Actual Value Input +/- 0...40 V

Current Actual Value Input +/- 0...100 mV

Up/Down Ramp Integrator 0,1...10 seconds adjustable

Voltage Regulation PI Control with adjustable P Characteristic

Current Regulation PI Control with adjustable P Characteristic

Input Impedance Voltage Actual Value Input 20 kΩ

Input Impedance Current Actual Value Input 250 Ω

Control Signal – Pulse Enable 12...24 V, DC / 2,5 mA

Control Signal – Set Point Inhibit 12...24 V, DC / 2,5 mA

Over Temperature Input Switch 1mA

Fault Relay 1 Changeover Contact 250V, 1A

Status Relay 1 Changeover Contact 250V, 1A

Operating Ambient Temperature 0...45 ° C

Dimensions 140x290x160 mm

3.1 Declaration of Conformity

We declare that these products conform with the following standards: EN 61000-6-4 and EN 61000-6-2 in accordance with the regulations of guidelines 2004/108/EC / 2006/95/EC / 2011/65/EC. REO ELEKTRONIK AG, D-42657 Solingen

RoHSCOMPLAINT


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4.0 Mains Connections

The mains is connected to terminals 34: “PE”, 36: “L1”, 38: “L2” and 40: “L3” and this provides power for the electronics and the phase synchronisation for the firing pulses, simultaneously. In this way the phase sequence is maintained. 4.1 Control Inputs

4.2 Pulse Enable

The current and voltage set points are switched on the regulator with a closed contact between terminals 17: “+15V” and 16: “Impulse Enable” or high-condition of logic voltage between terminals 16: “Impulse Enable” and 15: “GND”. A simultaneously applied signal “Set point Enable” slowly ramps up the regulator within the present ramp time. If the control signal “Impulse Enable” is switched off then the firing pulses are immediately inhibited and the adjustable ramp down becomes inactive. 4.3 Set Point Enable

A closed contact between terminals 20: “+15V” and 19: “Set Point Enable” or the high-condition of a logic voltage between terminals 19: “Set Point Enable” and 18: “GND”, switches the voltage and current set point on the regulator. By simultaneously applying the signal “Impulse Enable” the regulator starts slowly according to the ramp up setting. If the control signal “Set Point Enable” is switched off then the control slowly reverts back to the adjusted minimum value, according to the ramp down setting. 4.4 Over Temperature

Terminals 21: “GND” and 22: “Over Temperature” are provided for the input from a temperature switch (Open) Provided for monitoring the power semi-conductors. If a control signal “Over Temperature” is switched (temperature switch open), then the firing pulses are inhibited immediately and the fault warning “ERROR HOT” is indicated. The fault relay closes. If this input is not used, the terminals 21 and 22 must be linked. 4.5 Voltage Set Point

A voltage of (0…10V) or 0…20mA / 4…20mA between terminals 3: “Vest” and 1: “GND” determines the voltage set point. A reference voltage provided on terminal 4: +10V, ready for connection of potentiome-ter. If set point signals of 0…20mA are used, then terminals 2 and 3 must be linked. Furthermore the Code “4.20 in Menu C 003 must activate”, to use 4…20 mA. The voltage set point is only effective when the “Set Point Enable” signal is active. 4.6 Current Set Point

A voltage of (0…10V) or 0…20 mA / 4…20mA between terminals 7: “Iset” and 5: “GND” determines the current set point. A reference voltage provided on terminal 8: +10V, ready for connection of a potentiom-eter. If set point signals of 0…20mA / 4…20mA are used, then terminals 2 and 3 must be linked. Fur-thermore the Code “4.20 in Menu C 003 must activate”, to use 4…20 mA. The voltage set point is only effective when the “Set Point Enable” signal is active. 4.7 Effective Voltage Value

The effective voltage is feed back, with a control voltage of +/- 0…40 V (0…10V optional), across termi-nals 12: “Veff” and 11: “GND”. The value can be adjusted in Menu C 020. 4.8 Effective Current Value

The effective current is fed back, with a control voltage of +/- 0…100 mV, across terminals 14: “leff” and 13: “GND”. The external shunt (100mV) or isolating amplifier is adapted to suit the respective rectifier output. The output current value can be adjusted in Menu C 020.


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5.0 Control Outputs

5.1 Firing Pulses

Terminals 41 to 60 carry the firing pulses to control a three phase AC voltage adjuster or alternatively a DC rectifier bridge. Terminal 41: Cathode “1+”, Terminal 42: Gate “1+”, Terminal 45: Cathode “2+”, Terminal 46: Gate “2+”, Terminal 49: Cathode “3+”, Terminal 50: Gate “3+”, Terminal 51: Cathode “1-”, Terminal 52: Gate “1-”, Terminal 55: Cathode “2-”, Terminal 56: Gate “2-”, Terminal 59: Cathode “3-”, Terminal 60: Gate “3-”, 5.2 Fault Condition

The control output “Fault” is a potential free, changeover contact (terminal 28: Open, 29: Change over, 30: Closed) which is activated when a fault condition is detected during operation. The control unit is simultaneously inhibited immediately. At the same time “ERROR” indicated. Error messages must be reset in menu `C009` Features: Mode: 1. Phase angle control 2. Full wave principle Regulation mode: 1. Current regulation RMS 2. Voltage regulation RMS 3. Power regulation Real power Set point inputs: 1. Voltage or Power Potentiometer 1 kR, 0...+10 V, 0(4)...20 mA, internal Keypad 2. Current Potentiometer 1 kR, 0...+10 V, 0(4)...20 mA, internal Keypad Option interface Set point via interface Feedback monitoring:

1. Voltage or Power Voltage 0...+10 V, DC correspond 0...100% RMS 2. Current Current 0...+10 V, DC correspond 0...100% RMS Status Enable (ON/OFF) Contact or 24 V, DC Fault relay Change over contact Interface: Option Serial RS 232 Fieldbus Profibus-DP Fieldbus CAN-Bus Fieldbus DeviceNet


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6.0 Modes

Phase angle control In the phase angle control mode the mains voltage half waves are more or less cut in function of the giv-en set point. This mode of operation is suitable for resistive, inductive and resistive-inductive loads. The benefits with this mode of operation are the continuous adjustment, the fine dosing and the high regulating dynamics. A dynamic current limitation is possible only with this mode of operation. Full wave control In the full wave principle mode of operation, always full sinus waves are switched in function of the set point. In this operating mode almost no harmonics are produced, however, the dynamic regulation is not possible. This mode of operation is suitable in particular for loads with high thermal inertia. 6.1 Regulation mode

The REOTRON MDZ Thyristor Regulator range include 3 regulators, ie. voltage, current and power regu-lator. All the regulators always work in combination, ie. with voltage regulation for example, the current regulation operates like a cascade control and limits the output current in case of overload on the rated current. In case of current regulation mode, the maximum voltage limit can be prescribed over the volt-age set point. With power regulation, the current limit is also effective as cascade. In case both the voltage and current regulation are used, the set point of the power regulator must be set to 100 % (over display, in menu „C 002“, parameter „P“). Voltage regulation The units maximum voltage output is factory set to the rated voltage (for 100% set point). Parameter setting:

Parameter Code Setting Output power „P.“ C 020 100% Set point current „I.“ Display or Set point current connection 7 u. 8

C 020

100%, or smaller bridge = 100%

Current regulation The units maximum output current (Rated Current) is factory set. Parameter setting:

Parameter Code Settings Output power „P.“ C 020 100% Set point voltage „U.“ Display or Set point current connection 3 u. 4

C 020


Power regulation With power regulation, the real power value is controlled. In this case, the input that is normally coordi-nated to the voltage set point is now used as set point input. This set point input corresponds to 0...100 % of the unit output power. The current set point must be set to 100 % or to the required limit value. Setting over display or link between terminals 7 and 8. Parameter setting:

Parameter Code Settings Output power „P.“ C 020 0% Set point voltage „U.“ Display C 020 100%, or smaller Set point voltage „I.“ Display or Set point current connection 7 u. 8

C 020


Power regulation „E.F.P.“ C 003 1 Regulation Characteristic Microprocessor controller with PI Characteristics; the P portion is adjustable externally by using the Key-Pad. A higher value increases the amplification, whereby the regulating speed is increased, however the oscillation tendency is also increased.


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6.2 Set point

External signals Two inputs for set points are available Set point input U, P 0-10V DC, 0(4)…20 mA or Potentiometer 1kΩ Set point input I 0-10V DC, 0(4)…20 mA or Potentiometer 1kΩ Set point over display All set points can be set over the internal Key-Panel 6.3 Feedback

Output monitor Effective Voltage 0…10 V, DC correspond 0…100 % output voltage or output power. Effective Current 0…10 V, DC correspond 0…100 % output current 6.4 Control functions

Pulse Enable A control voltage (24V DC) must be applied to terminals 16(+) and 15(-), to enable the unit, or a connec-tion made between terminals 16 and 17 by using a switch. A permanent link between terminals 16 and 17 is used for operation without an external enable. The firing pulses are inhibited whilst the enable input is not closed. Set Point Enable A control voltage (24V DC) must be applied to terminals 19(+) and 18(-), to enable the unit, or a connec-tion made between terminals 19 and 20 by using a switch. A permanent link between terminals 19 and 20 is used for operation without an external enable. The firing pulses are inhibited whilst the enable input is not closed. Start ramp / Stop ramp This function reduces surges on the mains supply when the load is switched on and off. Set point control (min / max) The set-point control characteristics can be ad-justed to match the subsequent process controller or automation system, by setting the lower and upper values

run-up run-down

Out

put

U,I,P

Time

0 10 20 30 40 50 60 70 80 90 100[%]

10

20

30

40

50

60

70

80

90

100[%]

Out

put-

volta

ge

Set point

Um

in

Um

axad

just

men

t ran

geS

et p

oint

0...1

00%


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Status / Ready relay (clamp 25, 26, 27) For monitoring the actual status, an internal relay can be used. In case of applied input voltage and ena-bled power output, clamp 42 – 43 closes. For using this relay as a “READY” signal point “r.b.” in Code “C 003” has to be set to 1. In case of an error like “LO.PO.”, clamp 26 – 27 opens. Clamp assignment:

25 normally close (NC) 26 change-over contact (CO) 27 normally open (NO)

Failure relay (clamp 28, 29, 30) In case of an error (for example “Error Hot”) the contact 29 – 30 closes. Clamp assignment:

28 normally close (NC) 29 change-over contact (CO) 30 normally open (NO)

7.0 Ordering codes

Type ID.-No.: REOTRON MDZ 2000 6416.01 REOTRON MDZ 2000 - Profibus DP 6416.10 REOTRON MDZ 2000 - RS-232 6416.xx REOTRON MDZ 2000 - CAN-Bus 6416.xx REOTRON MDZ 2000 - DeviceNet 6416.xx


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8.0 Operation

The six buttons and a LED display found in the front panel, are used for operating and setting up the unit. All operating methods and adjustable parameters can be set up through this panel. The “I“ and “O“ buttons are used for switching the unit ON and OFF, however, these do not provide mains iso la-tion, they simply inhibit the power semiconductors The “P“, “F“ and “Cursor Buttons“ are used for parameter adjustment. Parameters are set by using menu controls which are called up by entering operator codes. A capital letter is used to indicate the selected function. The display value can be increased or decreased by units, or tenths of units, by a short press of the cursor buttons. Holding the buttons down will cause the display to change in units of ten. 8.1 Adjustment

To prevent accidental or unauthorized adjustment the adjustment parameters, in the user menus, are protected. A code must be entered to open the user menus. There are different pass codes for each func-tion group. Setting adjustments are automatically saved upon le aving the programming mode or if no button is pressed for a period of 100 seconds. 8.2 Adjustment Procedure

All setting routines are commenced by pressing the programming button “P“. The following diagram should clarify the sequence in which keys are pressed:

1. Press the “P“ key. 2. Select the code number with the cursor keys. 3. Press the “P“ key. This displays the first menu point. The required menu point can be found by re-

peatedly pressing the “P“ key (scrolling). 4. The value in the menu point can be changed with the cursor keys. 5. Scroll to the next menu point or to the end of the menu, which returns the display to the set point val-

ue, by pressing the “P“ key. To exit the menu and return back to the normal display quickly, depress the “P“ key for 5 seconds.

6. To return back to the previous position in the menu, press the “F“ key

I

0P

FON

OFF

DISPLAY

PROGRAMMINGMODE / ENTER

UP

DOWN

BACK

P

Example

F

P

P

P

P

P

P P


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8.3 Indications on display

During normal running mode ‘run’ is shown in the LED display. In the programming mode an abbreviation for the corresponding parameter (see setting up instructions) and the setting values, are displayed. Setting changes are stored upon leaving the programming mode or after a pause of 100 seconds.

Initialisation Phase. When the supply voltage is connected (Left decimal point blinks)

Normal Operation

Unit is not enabled

Output switched off using the `0` button

Left decimal point is present. Current regulation is active. The maximum current of the unit or the regulated current set point value has been reached.

The two upper vertical segments of the first digit illuminate. Peak value limiter. This is caused by a fault condition on either the load or by the externally generat-ed effective value, feedback signal. The load impedance is too low, for example, or the effective value is too high.

The upper horizontal segment of the first digit illuminates. Maximum control limit of the controller has been reached. The unit has no more regulation range available and so the output voltage is near to the supply voltage.

Lower horizontal of the first digit illuminates. Maximum power limit has been reached

Under Voltage, input voltage to too low.

8.4 Error Messages

Over temperature of the power semi-conductors, output is inhibited. Use `C009` to reset

Overvoltage, input voltage too high, output is inhibited. Use `C009` to reset

Error messages must be reset in menu `C009`

P P

Reset fault


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9.0 Settings

The following table contains all the available key settable parameters. The unit is supplied with factory settings that can be recalled from access code “C210” under FAC. User codes can be saved under code “C143” and then recalled with code “C210” under USPA. Parameter: Code Factory

Default Menu Code

Set point – when internal set point is selected only! • Voltage set point 0...100 % U. 0 % 002 • Current set point 0...100 % I. 0 % 002 • Power set point 0…100 % P. 100 % 002 Configuration • External set point OFF 0 / I E.S.O 0 003 • 4...20 mA (only when E.S.O. = 0) 0 / I 4.20 0 003 • Enable Inverse 0 / I -En. 0 003 • External Voltage set point 0 / I E.F.U. 0 003 • External Current set point 0 / I E.F.I. 0 003 • Power regulation 0 / I E.F.P 0 003 • Feedback Average-Value 0 / I E.A.V I 003 • Full wave control 0 / I F.S.P 0 003 • Ready relay 0 / I r.b 0 003 • Transformer Connection Group adjustment 0 / I Yd5. 0 004 • Transformer Connection Group adjustment 0 / I Yy6. 0 004 • AC Operation (150°) / DC Operation (120°) 0 / I Glr. 0 004 • Pulse Enable without soft stop 0 / I H.SP. 0 004

Parameter • Minimum Output Voltage (without set point) 0...100 % U. 0 % 020 • Minimum Output Current (without set point) 0...100 % I. 0 % 020 • Minimum Output Power (without set point) 0...100 % P. 100 % 020 • Maximum Output Voltage (Limit) 25...100 % u 100 % 020 • Maximum Output Current (Limit) 25...100 % i 100 % 020 • Maximum Output Power (Limit) 25...100 % p 100 % 020

• Voltage Regulator – P Characteristic 1...100 P.U. 20 020

• Current Regulator - P Characteristic 1...100 P.I. 15 020

• Power Regulator - P Characteristic 1...100 P.P. 15 020 • Soft Start (ramp) 0...60 Sec. /. 0,1 020 • Soft Stop (ramp) 0...60 Sec. \ 0,1 020 Interface • Interface ON 0 / I S.I.F. 0 017

Service • Save User Parameter PUSH 143 • Restore Factory Default Settings FAC. 210 • Enable advanced Service mode 0 / I En.S. 0 127 • Display software version 001


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9.1 Setting up instructions

9.2 Internal set point

Code C 002

9.3 Unit configuration

Code 003

P

P

P

P

P

P

P P

P P

P P

P

P

PP

P P

P P

U.P.A. = 0 = Regulation modeU.P.A. = I = control mode

Only in Service ModeC 127 En.S. = I

E.S.O. = 0 = External Set pointE.S.O. = I = Internal Set point (Keys)

4.20 = 0 = External Set point 0...20 mA / 0...10V4.20 = I = External Set point 4...20 mA

E.F.U.= 0 = internal feedback voltageE.F.U. = I = external feedback voltage

Running mode

E.F.P. = 0 = Voltage- / Current regulationE.F.P. = I = Power regulation set point

F.S.P. = 0 = Phase angle controlF.S.P. = I = Full wave control

r.b. = 0 = Relay = Status functionr.b. = I = Relay = Fault function

-E.n. = 0 = Invert Enable Off-E.n. = I = Invert Enable On

E.F.I. = 0 = internal feedback currentE.F.I. = I = external feedback current

P P E.A.V. = 0 = Feedback RMS-Value (for AC)E.A.V. = I = Feedback Average-Value (for DC)

P Set point 1, Voltage [%]

Set point 2, Current [%]

F

P

P

P

P

P

Running mode

Set point 3, Power [%]P P


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9.3.1 Control mode

Code 004

P

P

P

P

P

P

P

P

PP

H.SP. = 0 = Pulse Enable with soft stopH.SP. = I = Pulse Enable without soft stop

Running mode

Glr. = 0 = AC operation (firing angle 150°)Glr. = I = DC operation (firing angle 120°)

TransformerConnection Group

Dd0, Yy0, Dz0

Dy5, Yd5, Yz5

Dd6, Yy6, Dz6

Dy11, Yd11, Yz11

Code

9.3.2 Service menu

Display set-points sent to the unit.

9.3.3 Display effective values measured inside unit

P

Code 050

Display set point voltage [%]

Display set point power [%]F

P

P

P

Running mode

Display set point current [%]P

P

Code 051

Display feedback voltage [%]

Display feedback power [%]F

P

P

P

Running mode

Display feedback current [%]P


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9.4 Setting Up Procedures

9.5 Select Interface

Code C 017 Interface (Option) Communication using the interface is activated by setting parameter “S.I.F.” to “I”. Should there be a need to run under manual control e.g. for testing, then this parameter should be set to “0”.

P P

P

P

P

P

P

P

P

P

P

P

P

P

P

P

P

P

Code 020

P P

P P

P P

Min ouptput voltage [%](without external set point)

Min output current [%](without external set point)

Output voltage limit [%]Umax

Start ramp time [Sec.]

Running mode

Output current limit [%]Imax

P-Char current regulation

Stop ramp time [Sec.]

Min output power [%](without external set point)

P-Char power regulation

Output power limit [%]Pmax

P-Char voltage regulation

0 = Interface OFF I = Interface ON

Running mode

P P P

P


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9.6 Save current settings

Code C 143

9.7 Restore parameter settings

Code C 210

9.8 Software version

9.9 Hide parameter menus

Code C 117

If Hd.C. = I all parameter menus are hide. Set Hd.C to "0" again for change parameters.

Save current parameter settings

Running mode

P P

P

P

Restore factory settings

Running mode

Restore user settings(previously saved in "C 143"

P P

P

P

P

P

Hd.C. = 1= Hide menus

Running mode

P P

P

P

Code 001

Version

Date

Running mode

P P

P

P

P

P


18

10.0 Dimensions


19

11.0 Putting into service

Safety Instruction Qualified personnel only, are permitted to install electronic equipment

Because attenuation capacitors (Y-capacitors) are used, leakage current flows through the case to pro-tective earth (PE). Therefore, units must be earthed. 11.1 Preliminaries

• Check if the local supply voltage is the same as the rated voltage for the unit (rating plate) and that the load is within the permitted power range.

• Connect the control unit in accordance with the connection diagram. • Adjust set-points to zero. • Switch off enable (if used) • Check if cables are connected correctly. The control unit is now ready for operation and can be switched on (power supply, enable). The unit is factory set according to the rating pla te i.e. 100% set point equals 100% voltage, cur-rent or power. Set-point control only can be used, in which case no other settings are necessary. 11.2 Measurements and Settings

Because of the phase-angle-control, the shapes of the supply voltage and current sine curves are changed. The output voltage and current must be measured with effective value meter (true-RMS). 11.3 Putting into service without a proper load

A thyristor can only be switched ("fired") into a conducting state, if the current level is sufficiently high enough. It will only switch-off, if the current is lower than the threshold current (every time the current goes through the zero-crossing point). When the thyristor controller is put into service, without a proper load, realistic measurements such as the voltage, for example, cannot be obtained. Even the setting of the output current i.e. limit, can only be done with a proper load and not by short circuiting the output of the thyristor controller. This is because the thyristor, once “fired”, cannot be turned off. The current has to pass through "zero" for the thyristor to switch off. Using a low impedance load it is not possible to evalu-ate the current level from the internal current flow. If a proper load is not available or not possible to carry out the correct commissioning procedure then a makeshift test can be carried by connecting a resistive load, such as incandescent lamps to the output of the thyristor controller.

!


20

12.0 Installation of Thyristor Control Units

12.1 Fuses

Fuses for overload, line and earth fault protection s should be fitted. 12.2 Installation and climatic Conditions

The mounting base should be free of vibration, if possible. Note that the temperature of the heat-sink rises when a power controller is operating. The heat-sink must be mounted vertically to ensure efficient cooling. The ambient temperature range allowed below the heat-sink is 0°...+45°C. The relative air hu-midity is < 75% without dew. The clearance below the unit should be at least 100mm and above at least 150mm. There must be a clearance of 50mm between units mounted next to each other. For altitudes above 1000m the power must be derated by 0,5% per 100m additional height. 12.3 Signal cables

Set Points If external voltage (0...10V) or current (0(4)...20mA) set-points are used; care should be taken to ensure that all equipment is connected through equal-potential bonding. If the bonding is earthed, then this should be at a single point, thus avoiding earthing loops and possible coupled interference. 13.0 Interference prevention

13.1 Earthing

Correct earthing of electronic controls is highly important for two reasons: First it ensures the safety of operators and service personnel, and secondly it provides a fail-safe opera-tion of the equipment. Therefore, in addition to providing protective earthing, in accordance to DIN stand-ards, it also provides an earth path for pulse interference produced during operation. For the latter, con-trollers that are mounted onto a chassis–plate in a control panel should be bonded to earth with the shortest possible connection and the largest possible earth contact area and also, for example, onto the centrally bonded chassis-plate. The reason for this is to ground high-frequency interferences produced by switching on the mains (contactors, relays, switches) before they cause fault conditions. If the earth con-ductors are too long and if they run together with other cables, in one cable duct, then they are unsuitable for grounding high-frequency noise. The more complex the unit and the more "intelligent" the functions - especially serial bus connections – then the more important it is to use correct earthing techniques. 13.2 Control cables

Control cables also are "antennas" that receive interference produced by other loads. Signal cables that are run alongside power cables can generate voltage spikes through inductive and capacitive cross-coupling. Therefore control conductors should not be mixed with power cables in the same cable ducting. If this cannot be avoided then shielded cables should be used. In particular cables from inverters to mo-tors are very critical because of the presence of high-speed switching. There should be maximum dis-tance between control cables output cables from frequency inverters. The shielding around the control conductors should be grounded onto a large contact area (earthed mounting plate) at the equipment end. 13.3 Interference protection of other external comp onents and equipment

Contactors produce extreme Burst-interferences on switching. Contactor coils must be connected with RC-snubbers. Suitable RC-snubbers can be obtained from switch manufacturers. Magnets / magnetic valves are also interference sources in the same way as contactors. RC- snubbers and varistors can be components and varistors can be connected across these components Frequency inverters are to connect to a mains filter recommended by the manufacturer. Motor wires should be shielded and routed away from control cables.


21

13.4 Actual value output 0…20mA / 4…20mA adjustment

S2 (Pos.1) S2 (Pos. 2) Terminal 66 = 4…20mA Terminal 66 = 0…20mA S1 (Pos. 1) S1 (Pos. 2) Terminal 65 = 4…20mA Terminal 65 = 0…20mA


22

14.0 Connection Circuits

14.1 Three-phase thyristor controller

with downstream transformer and passive bridge rect ifier Actual current via shunt (in the plus line)

910

+1

0Vre

f GN

D

12

34

56

78

Uso

ll

Vse

t

12

34

56

78

1k1k

Isol

l

Iset

910

Fre

igab

eS

ollw

ert-

Fre

igab

eIm

puls

-

Pul

seen

able

Set

Poi

nten

able

910

12

34

56

78

0...2

0mA

4...2

0mA

0...2

0mA

4...2

0mA+

+

L1

L2P

E

0...1

0V0.

..10V

++

L31+

2+

3+1-

2-3

-

KG

5960

KG

KG

5152

5354

55

5657

58

KG

KG

4546

4748

495

0

KG

3940

41

4243

4431

3233

3435

36

3738

L1

GK +

1 2

3

12

3

GG

KK

++

5152

GG

KK

--

41

GK -

+=

~ 1

2 3

12

342

45 46

1 2

3

5556

5960

L2

L3

PE

1 2

349 50

-

6162

636

465

66

Uist / U actual value (0...10V)

Iist / I actual value (0...10V)

GND

GND

Uist / U actual value ((0)4...20mA)

Iist / I actual value ((0)4...40mA)

actu

al v

alue

out

put

Uis

tIis

tV

eff

Ieff

U a

ctua

l va

lue

I ac

tual

va

lue

Sta

tus

Re

lais

Sta

tus

Re

lay

GN

D-I

+1

5V

11

12

13

14

15

16

17

18

19

20

GN

D

21

22

23

24

25

26

27

Stö

rung

s R

ela

is

28

29

30

Fau

lt R

ela

y

The

rmo

GN

D-U

GN

D


23

14.2 Fully controlled three-phase bridge

Actual current via shunt (in the plus line)

Sta

tus

Re

lais

Sta

tus

Re

lay

89

10

+1

0V

ref G

ND

12

34

56

7

Uso

ll

Vse

t1

k1

kIs

oll

GN

D-I

+1

5V

11

12

Iset

13

14

15

16

17

18

19

20

GN

D

21

22

23

24

25

26

27

Stö

rung

s R

ela

is

28

29

30

Fau

lt R

ela

y

The

rmo

Fre

igab

eS

ollw

ert-

Fre

igab

eIm

pu

ls-

Pul

see

nab

leS

et P

oin

te

nab

le

89

10

12

34

56

7

0...

20

mA

4...

20

mA

0...

20

mA

4...

20

mA

12

34

56

7

0...

10

V0

...1

0V

89

10

3-

KG

58

59

60

1-

2-

KG

KG

51

52

53

54

55

56

57

2+

3+

KG

KG

43

44

45

46

47

48

49

50

L2

L3

1+

KG

38

39

40

41

42

L1

PE

31

32

33

34

35

36

37

1 2

31 2

31 2

3

1 2

31 2

31 2

3

L1

L2

L3

PE

6162

6364

6566

Uist / U actual value (0...10V)

Iist / I actual value (0...10V)

GND

GND

Uist / U actual value ((0)4...20mA)

Iist / I actual value ((0)4...40mA)

actu

al v

alue

out

put

Uis

tIis

tV

eff

Ieff

U a

ctua

l va

lue

I act

ual

valu

e

GN

D-U

GN

D

+ -


24

15.0 Declaration of conformity


25


26

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