Product Profile of Analog Amplifier For Control Up To Two Proportional Solenoids

Rexroth is a drive & control company offering drive and control technologies, specialized and integrated. Rexroth is a wholly-owned subsidiary of robert bosch gmbh. From the mobile hydraulics division of rexroth they offer the analog amplifier ra. The electronic analog amplifier is used to control up to two proportional solenoids and one switch function. The following are its salient features:

• Optional interlocking of the control of the proportional solenoids

• Separately adjustable time for up and down ramps for each solenoid

• Separately adjustable minimum and maximum currents for each solenoid

• Externally adjustable pwm frequency

• Power supply for external setpoint potentiometer

• Monitoring of the setpoint potentiometer for cable break and short circuit

• Externally controllable switched output

• Error output

• Overload protection, overvoltage protection, conditional short-circuit protection