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Analog Amplifier RA

The analog amplifier activates up to two proportional solenoids. The specified control voltage is processed in the amplifier as an input command signal.

Marginal Column


The electronic analog amplifier operates up to two proportional solenoids and a switching function:

  • Optional interlock of actuation for proportional solenoids
  • Supply voltage for external setpoint potentiometer
  • Monitoring of setpoint potentiometer for cable breakage and short circuit
  • Externally actuated switching output
  • Error output
  • Separately adjustable ramp times
  • Overload protection, overvoltage protection, conditional short-circuit protection
  • Separately adjustable Imin and Imax for every solenoid
  • Externally adjustable PWM frequency

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