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RSD-x-3A-y: 3 AMP Solenoid Driver

The 3 Amp Solenoid Driver simplifies control of proportional solenoids by supplying a current proportional to a user selectable input control. It is suited for industrial applications interfacing with a PLC. This linear solenoid driver utilizes high frequency switching output (PWM) to provide a DC current output. Output is user selectable as 0 to 3 Amps or 0 to +/- 3 Amps. A current sensing circuit maintains output current regardless of changes in input voltage and coil resistance. The user can adjust PWM frequency, maximum current, minimum current, a superimposed dither frequency and amplitude using single turn trim potentiometers.


  • Off-highway Equipment
  • Industrial Hydraulics
  • Valve Test Benches
Technical Specifications:3 AMP Solenoid Driver
Order Codes:P/N: RSD-PCB-3A (PCB Board)
P/N: RSD-SMB-3A (Packaged Driver with cable)
P/N: RSD-SMB-3A-00 (Packaged Driver with strain reliefs)
P/N: RSD-SMB-3A-01 (Packaged Driver with 3 connectors)
Analog command input:Single analog input, user selectable
0-2.5V, 0 to +/-2.5V, 0-5V, 0 to +/-5 V, 0-10V, 0 to +/-10V or
4-20 mA, 0-20 mA
Proportional output:Single output for a proportional hydraulic solenoid
Mount controller close to the valve
Fully configurable output (0-3A or 0 to +/-3 Amps)
I-min is adjustable from -1 to +1A
Dither:User adjustable
50 to 1000 Hz
0 to 400 mA (P-P)
Square, sine or triangular waveform
PWM output:User adjustable
10 to 40 kHz
Auxiliary output:Permits monitoring of current output with a voltmeter (+/-1V/1A)
LED indication:Power OK and No Load condition
Packaging:PCB card with screw terminal connections or
Metal box with gasket
(choice of strain reliefs, 1.5 m cable or 3 connectors)
Protection rating:IP00 (PCB); IP67 (metal box versions)
Operating conditions:-40 to 85°C (-40 to 185°F)
Dimensions:See datasheet for dimensions
PDF Datasheet: Click icon for PDF datasheet.

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