Bosch Rexroth VT-MSPA2-1 Valve Amplifier


Bosch Rexroth VT-MSPA2-1 valve amplifier are used to control proportional directional valves without electrical position feedback. The step function ensures fast passing of the overlap. Two amplifier outputs supply current-controlled signals.

The 1X series valve amplifier has an analogue, modular design for valve 4WRA 6–2X and 4WRA 10–2X.

Other features of the Bosch Rexroth VT-MSPA2-1 valve amplifier include:

  • Differential input for voltage
  • Ramp generator with separately adjustable ramp times “up/down”
  • Adjustable zero point and sensitivity
  • Adjustable step level
  • Clocked power output stage
  • Enable input
  • LED displays for various operating states
  • Reverse polarity protection for the operating voltage

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