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The 4-20mA Connector Amplifier simplifies control of proportional solenoids by supplying a current proportional to an input control (4-20mA). It accepts 12VDC or 24VDC power supply voltage. This linear solenoid driver utilizes high frequency switching output (PWM) to provide a DC current output. The maximum current output is 1.2A. A current sensing circuit maintains output current regardless of changes in input voltage and coil resistance. The user can adjust maximum and minimum current. Ramp time, dither frequency and amplitude can also be adjusted to match the application. The unit is available with a DIN 43650 connection to mount directly on the coil. It is also available with 0-10V or 0-5V inputs. A remote mount version is housed in a rugged metal box.

 
Unit of Measure

Technical Specifications

 N/A CAPV-H-4-20MA-x complete with cable CAPV-4C-yM
Where: x = current output (2A, 1.2A or 600MA) y = cable length (2 meters is the standard length)

Order Code

 N/A P/N: CAPV-H-4-20MA-1.2A-4C-7M

Operating Voltage

 N/A 12 or 24 VDC nominal

Protection Rating

 N/A IP65 when correctly installed with lid, o-ring/washer and base gasket.

Operating Temperature

 N/A -40 to 85 ºC-40 to 185 ºF

Applications

 N/A

Accurate control of hydraulic and pneumatic proportional solenoid valves used in mobile construction equipment and industrial processes.

Signal Inputs

 N/A 4-20 mA Current Signal

Connections

 N/A DIN 43650-A.
7 m, 4 conductor, unterminated cable (18 AWG).
(Remote mount version with cable available).

Protection

 N/A Reverse Polarity Protection
Short circuit proof (in case of solenoid failure or mis-wiring)

Range of Maximum Output Current

 N/A 1.2A

Solenoid Resistance Selection (Nominal)

 N/A Nominal Resistance of Solenoid Coil should Comply with: Rcoil < (Vpower supply - 1.5 V)/I-max

Electromagnetic Compatibility (EMC)

 N/A Emission EN 50081-2 Immunity EN 50082-2

Approvals

 N/A CE Marking

Input Resistance

 N/A 50 Ohms