- Suitable for the control direct operated proportional directional valves without electrical position feedback (type HD- 4WRA, sizes 6 and 10, from series 2X)
- Four command values that can be adjust by means of potentiometers.
- Four command value Call-ups with LED indicator lamp.
- Differential input, can be changed over the current input.
- Enable input with LED indicator lamp
- Indication of “Ready for operation” by LED
- Step function generator.
- Ramp generator with one or five ramp times
- Two clocked current output stages
- Reverse polarity protection for voltage supply.