CHICAGO, IL - Hydraforce, Inc. introduces a 4-20mA model of the Proportional Valve Controller/Amplifier. Their line of rugged electronic controls is designed for accurate control of hydraulic proportional valves used in mobile equipment and industrial processes.

The Proportional Valve Controller/Amplifier supplies a solenoid valve with current proportional to an input control (4-20mA). Other models accept 10 K potentiometer, 0-5VDC or 0-10VDCcontrolsignalinputs. The design utilizes high frequency switching output (PWM) to provide a 2 Amp DC current to the valve. A superimposed dither reduces friction effects and increases the linearity of the valve. Maximum and minimum current, ramp times, dither frequency and amplitude can be adjusted to match the application. Short circuit and reverse polarity protection are built in. All settings are independent and "non-following". The unit accepts 9 to 28 VDC power supply voltages. Designed for the rugged mobile environment, it carries an IP65 or IP67 protection rating and CE certification. DIN coil-mount and remote mount card-style units are available, complete with cable.

For additional information contact Judy Krause at HYDRAFORCE, Inc., 500 Barclay Blvd., Lincolnshire, IL 60069, USA; TEL: 800-682-6875, FAX: 847-793-0086 or E-mail: judyk@hydraforce.com and say, “I saw it in MotionShop.com” or visit our Web site at http://www.hydraforce.com.

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