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+1 (217) 579-8045The electronic plug amplifier VS 111 provides control for proportional pressure, directional, and throttle valves.The plug amplifier may be mounted directly on the proportional solenoids and secured with a screw.The output of the amplifier supplies DC current for controlling one proportional solenoid. This current is proportional to the command signal at the input of the amplifier. Through this, together with a proportional valve, an infinitely variable adjustment can be made to the pressure or flow.