Tilt Angle Transmitters

with potentiometric, inductive or optoelectronic oil-damped pendulum systemsTilt Angle Transmitters

Tilt angle values of a platform e.g. On

cranes and heavy-duty vehicles excavators and drilling machines ships and offshore facilities

stand for important measuring data as a part of the safety and controlsystem of that type of machinery. Angular measurement is, for instan-ce for equipment levelling, performed in such cases by means of dualaxis pendulum systems.

Single axis pendulum systems detect e.g. angular positions of a crane jib lateral inclination of a vehicle orientation of a lifting platform, weir trap or of comparable facilities

Transducers of that type contain inside a robust splash-proof alu-minium case of protection degree IP 65 to IP 68 oil-damped pen-dulum systems, the tilt angle dependant swing of which is measured,depending on the application, either by a potentiometric, non-contactinductive or an optoelectronic angular encoder. For measurementsrelevant to safety, the pendulum swing per axis is detected withredundancy i.e. by means of two mechanically and electricallyindependent pendulum systems.

…Construction

…Measuring principle

The output signal, representing the tilt angles, is provided either inform of an analog resistance, current or voltage variation or as adigital signal - with interface bus - as well.

For the application as tilt actuated switch e.g. on lifting platforms,crane vehicles or heeling control systems on board of cargo ships,uniaxial transducers can be provided with built-in min/max compara-tors.

For signal indication and limit monitoring of measured tilt anglevalues we offer:

coordinate displays (x/y-indicators) min/max-switchgears signal converters for signal conversion and monitoring the resultant tilt angle value, derived from x- and y-axis

supply output

pendulum

X - Axis

elektronic unit

angular position encoder

of uniaxial pendulum systems

Series PE 4000 …with potentiometric or inductive sensing of pendulum swing

…Specifications …Models

Within this series, pendulum swing measurement is carried out insidethe oil-filled damping chamber via a magnetic coupling by means ofan optoelectronic absolute encoder that provides 14 bit resolution.Signal is output via a built-in d/a-converter either analog with currentoutput 4-12-20 mA or digital with CAN-bus interface.

Tilt angle

Hysteresis

Linearity

Resistance outputCurrent outputVoltage outputSupply

± 45° inductive± 30° ... ± 175° potentiometric

inductive ± 1 minpotentiometric ± 15 min

inductive ± 0.5 %potentiometric ± 0.1 %

2 or 5 k ± 20 %

18 33 VDC

Series PE–XA14 …with optoelectronic sensing of pendulum swing

Tilt angle Hysteresis Linearity Current outputBurden Supply Digital output

± 180° max± 1 min± 0,05%

4…12…20 mA600 max18–33 VDCCAN-Bus

mechanical data overleaf

4–12–20 mA, max 6000–2,5–5 V, min 10 k

redundant pendulum system

redundant pendulum system

redundant evaluation electronic unit

oil chamberwith magnetic

coupling

oil chamberwith magnetic

coupling

Series PE–X/Y…with inductive sensing of pendulum swing

of dual axis pendulum systems…Models…Specifications

Dual axis pendulum system

Casing Degree of protectionElectrical connectionDamping Time constantResistance to vibrationTemperature rangeWeight

PE 4000…

IP 65...IP 68

oilapprox. 1 sec.4g, 0–100 cps

–30°C…bis +70°C1 kg

diecast aluminium, anodised

plug or cable

PE–XA14…AlMg Si05; anodised

plug or cableIP 65… IP 68

oilapprox. 1 sec.4g, 0–100 cps

–30°C…bis +70°C2,5 kg

PE–X/Y…AlMg Si05; anodised

plug or cableIP 65… IP 68

oilapprox. 1 sec.4g, 0–100 cps

–30°C…bis +70°C1,5 kg

Mechanical data

Tilt angle Hysteresis Linearity Zero point error Current output Supply Digital output

per axis max. ± 15°± 1 min± 0,5%2 min

4–12–20 mA, burden max. 60018–33 VDC

CAN-bus-interface

FernsteuergeräteKurt Oelsch GmbHJahnstraße 68 + 7012347 BerlinTelefonTelefaxwww.fernsteuergeraete.de

(0 30) 62 91 - 1(0 30) 62 91 - 277

Berlin

FSG FernsteuergeräteMeß- und Regeltechnik GmbHMühlenweg 2 -315758 KablowTelefonTelefax

(0 33 75) 269 - 0(0 33 75) 269 - 277

Kablow

FernsteuergeräteKurt Oelsch GmbH & Co. KGWeiherhausstraße 1064646 HeppenheimTelefonTelefax

(0 62 52) 99 50 - 0(0 62 52) 72 05 - 3

Heppenheim

redundant pendulum system

X-axis Y-axis

X-axis Y-axis