40 Electro-pneumatic positioner TZID 42/18-54 EN
Air supply
Instrument air
free of oil, water and dust to DIN/IEC 770
Supply pressure
1.4...6 bar (20...90 psi)
NOTICE: Do not exceed the max. operating pressure of the actuator!
Air consumption
< 0.03 kg/h / 0.025 scfm (independent of supply pressure)
Transmission data and influences
Effective direction (output signal or pressure in actuator)
Increasing: increasing signal 4...20 mA
increasing pressure OUT1 in the actuator
Decreasing: increasing signal 4...20 mA
decreasing pressure OUT1 in the actuator
Valve action
Direct: signal 4...20 mA = position 0...100 %
Reverse: signal 20...4 mA = position 0...100 %
Characteristic curve (travel = f{signal}
linear,
equal percentage 1:25 or 1:50 or 25:1 or 50:1,
and freely configurable with 20 reference points
Characteristic deviation
≤ 0.5 %
Tolerance band (sensitivity)
0.3...10 %, adjustable
Resolution (A/D conversion)
> 8,000 steps
Sample rate
20 milliseconds
Influence of ambient temperature
≤ 0.5 % for every 10 °C change in temperature
Influence of vibration
≤ 1 % up to 10 g and 80 Hz
Seismic requirements
Meets requirements of DIN/IEC 68-3-3 Class III for strong and
strongest earthquakes
Influence of mounting orientation
No effect
EMC
Meets the requirements of the EMC Directive 89/336/EEC as of May 1989
CE Mark
Meets the EC regulation for the CE conformity mark
Communication port
Connector for LKS (local communication interface) adapter (standard)
FSK module for frequency-modulated tapping (optional)
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