Technical specifications:

  mains voltage: 10 … 30V AC / DC,
  signal set (output): 0 … 10V, 4 … 20mA,
  measured signal (input): 0 … 10V, 4 … 20mA,
  scaled setpoint display (bottom display),
  scaled setpoint display (upper display),
  optoisolated digital outputs for changing the direction of motor rotation,
  start buttons left, start right with LED signaling,
  precise multi-turn setting potentiometer,
  ambient temperature: -20 … 50 ° C,
  assembly: 90x90mm panel