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This controller uses the power supply voltage as the control signal. It has an adjust-
able increasing ramp and an adjustable I-Max. setting. When power is applied to this
controller, its output ramps up to maximum current in a time period that is adjustable
within a factory set range. The ramp adjustment allows the user to defi ne the length
of time required for the hydraulic valve to reach its maximum output. When electrical
power is removed, the output of this controller immediately falls to zero.
• Mounts directly to solenoid coils with DIN 43650A connectors.
• IP65 weather resistant when used with base gasket (supplied).
• Adjustments accessible with a removable cover.
• One unit covers supply voltages from 9 to 32 VDC.
• No internal fuses; circuit limits current electronically.
• Short circuit proof.
Supply Voltage: 9–32 VDCCoil rating must be matched with supply voltage: RCOIL ≤ (VSUPPLY – 1.5 V) / I-Max.
Output Current: 2 Amps Max.
Ramp Adjustment: 0.01 to 5 seconds
I-Max. Adjustment: 200–650 mA, or 900–2000 mA
Dither Frequency: 300 Hz ±10% (fi xed)
Dither Amplitude: 10% of rated maximum (fi xed)
Operating Conditions: –40° to 85°C; 0 to 85% relative humidity
Environmental Protection: IP65 with cover and base gasket installed
3.425.1
GENERAL SPECIFICATIONS
Plug Housing: Polyamide
Plug Lid: Polycarbonate
Weight: 30 g (1.06 oz.) without cable
Connections: Mounted cable with unterminated wires provided; Length: approximately 2 meters (79")
Proportional Valve Controller—DIN Coil Mount—
SCHEMATIC7.5 V (LDO)LOW DROP OUT REGULATORSOLENOIDOUTPUTREVERSE POLARITYPROTECTIONTRANSIENTPROTECTIONCURRENT SENSING AND SHORT CIRCUITPROTECTION24 VPS +–S2S1D2D1ERRORAMPLIFIERWAVEFORMGENERATORPOWERUPI-MAX.RAMPTIME+–HIGH FREQUENCYPWMMODULATORPOWEROUTPUTSTAGE(9-32 VDC)
