Analog amplifiers for proportional valves without electrical position feedback


Proportional amplifier controls without electrical position feedback

The VT-VSPA proportional amplifier controls solenoid current to Rexroth proportional valves without LVDT position feedback. Single solenoid driver cards have additional features for more flexibility. The user may configure the analog input, extend ramp time, and change setup for pre-defined valve types.


  • Analog amplifiers in Eurocard format
  • Voltage stabilization, partially with raised measuring zero point
  • Command value inputs for voltage and current
  • Internal command value adjustment by means of 4 trimming potentiometers, call-up via relays, with LED indicator lamp (on some versions)
  • Ramp generator, ramp times adjustable
  • Jump function for quickly passing through overlaps of directional valves
  • Enable input (on some versions)

GoTo product focused delivery times are available only for the quantities and if applicable, the preferred options listed for the product. Order spikes can cause temporary extended lead times. If your need is critical please contact the factory for confirmed delivery times.