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PWMC-x: PWM Controlled Solenoid Driver

The PWM Controlled Solenoid Driver supplies a proportional solenoid with current proportional to a digital pulse width modulated (PWM) input signal of 250 to 5000 Hz (5-95%). It accepts power supply voltages from 9 to 32 VDC. This linear solenoid driver utilizes high frequency switching output (PWM) to provide a DC current output of 2 Amps (1.2A available). A current sensing circuit maintains output current regardless of changes in input voltage and coil resistance. The user can adjust the zero setting, maximum output current, dither frequency and dither level as well as independent rising and falling ramps to suit their application. A system of LED’s indicates output power level, input level and power on/off. The unit is available as a stand alone PCB Board or as a Packaged Driver enclosed in an IP67 rated metal housing with 1.5 m (5 ft.) of cable. The circuit board is conformal coated. The metal box or PCB are designed for remote mounting. A DIN rail mount version is also available. The metal box and DIN rail versions comply with CE directives for EMC.

Applications


  • Diesel Engine Control Module Interface For Hydraulic Fan Drive Applications – The PWM Controller interfaces to the PWM signal provided by a diesel engine control module and drives a proportional solenoid valve in a hydraulic fan drive circuit
  • PLC interface in Mobile Equipment and Industrial Automation Applications – The PWM Controller accepts a PWM signal from a PLC and controls a proportional solenoid valve in a variety of applications
Technical Specifications:PWM Controlled Solenoid Driver
Order Codes:PCB Board
P/N: PWMC-PCB-2A (2A output)
P/N: PWMC-PCB-1.2A (1.2A output)

Packaged Driver (PCB installed in metal box with 1.5 m/5 ft. cable)
P/N: PWMC-SMB-2A-IP7-1.5M (2A output)
P/N: PWMC-SMB-1.2A-IP7-1.5M (1.2A output)

DIN Rail Mount
P/N: PWMC-DR-2A (2A output)
P/N: PWMC-DR-1.2A (1.2A output)
Power Supply:9-32 VDC
Transient protection is provided
Reverse Polarity Protection:Provided
EMI Compliance:Emission EN 50081-2
Immunity EN 50082-2
Approvals:CE (DIN rail and metal box versions)
Input Specifications
PWM: Non-isolated
Accepts PWM inputs from 250 to 5,000 Hz
For PWM inputs <250 Hz, contact the manufacturer for a factory modification.
PWM range 5-95% (Other ranges can be specified.)
Input Voltage:Low <1.5V High >3.5V (50V max.)
TTL and CMOS compatible
Input Impedance: 200kOhm
Output Specifications
Maximum Current Output: 2A or 1.2A
(Outputs up to 2A are available. – contact manufacturer)
PWM Output: High frequency switching
Short Circuit Protection: Provided
Operating conditions:-40 to 85°C (-40 to 185°F)
Protection: IP67 rating (metal box version)
Electrical connection:PCB Board:
10 screw terminals accept 16-20 AWG wire for the power conductors and 18-24 AWG wire for the signal conductors

Packaged Driver (PCB installed in metal box with 1.5 m/5 ft. cable):
Unterminated cable - 5 ft. (1.5m) standard length, 1 twisted quad AWG 18 (1.0 mm2) for power and output conductors plus 5 insulated wires AWG 24 (0.25 mm2) for signal conductors plus drain wire

DIN Rail Mount:
Screw terminals accept 14-20 AWG wire
Dimensions:See datasheet for dimensions
PDF Datasheet: Click icon for PDF datasheet - PCB Board or Packaged Driver
Click icon for PDF datasheet - DIN Rail Mount

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