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A convenient, plug-mounted microprocessor-based controller for use on a hydraulic proportional valve coil. The input signal to the controller can be confi gured as voltage, current, resistive, or PWM.
The EVDR1 can be confi gured for a SINGLE or DUAL OUTPUT control based on a single input signal. A single output would be used to control a single solenoid
proportional valve coil for flow or pressure control. It could be confi gured to increase
or decrease the output current as the input increases. All input and output endpoints
and breakpoints can be adjusted via a PC interface and confi guration software.
A dual output would be used to control a dual solenoid proportional valve. For a
dual control the input would be a joystick that is spring loaded to the center position
where both outputs would be OFF. As the joystick is stroked in one direction the
corresponding output would increase to adjust the valve and the other output would
remain OFF. When the joystick is stroked the opposite direction the other output will
respond. Again all input and output endpoints and breakpoints are adjustable and the
dual slope will have a center deadband width that is also adjustable.
Operating Temperature: –40°C to +85°C (–40°C to +185°F)
Molded Enclosure Dimensions: 35.1mm(W) x 72.9mm(H) x 42.67mm (D);1.38 in.(W) x 2.87 in. (H) x 1.68 in. (D)
Mating Connectors: Deutsch DT06-6S and DT04-2P
Solenoid Connector: Integral HF DR 2-Pin
Power Requirements: 9 to 32 VDC
Control Inputs:
Voltage: 0 to 5 or 0 to 10 VDC
Current: 0 to 20 or 4 to 20 mA
Resistive: 0 to 5K ohms
PWM: 5 to 95% Duty Cycle, Low3.5V (50V max.), 100 Hz to 10 KHz min.
Control Outputs: 50 to 2000 mA
Dither: 50 to 400 Hz; 0 to 50% of I-Max
Ramp Time: 0.0 to 10.0 seconds; I-Min to I-Max
Sealing: IP67 rated;
Materials: Polyester, 15% glass with silicone seals
3.451.1
