- Suitable for controlling all direct and pilot operated proportional pressure control valves without electrical position feedback and only one solenoid as actuator that are available at the time of publication of this data sheet.
- Differential input, can be switched between voltage and current input.
- Additional command value input 0 to +9V
- Ramp generator, separately adjustable for “up” and “down” ramps.
- Clocked current output stage.
- Message “Ready for Operation” (HD-VT-VSPA1K-1 only with LED display)
- Reverse voltage protection for voltage supply.
- Cable breaks detection for current input 4 to 20 mA
- Short- circuit protection of the solenoid cable.
- Cable breaks detection for the solenoid cable.