RS485/RS232 signal conversion 0- ± 23V/0- ± 250mA constant voltage or constant current isolation driver WJ203

Product features:

●RS232/485 isolated conversion to 1 high current signal output

● Can set constant voltage source output or constant current source output

● Supports adjustable ± 23V voltage or ± 250mA current output

●The output has overcurrent and overvoltage protection as well as short-circuit protection

●Voltage or current output accuracy better than 0.2%

● Support setting the output voltage and current range

● Can quickly cut off output by switching on/off input

● Programmable calibration module output accuracy

●Isolation and voltage resistance between signal output/communication interface/power supply 1000VDC

●Wide power supply range: 10~32VDC

●High reliability, easy programming, easy installation and wiring

● Users can program module addresses, baud rates, etc

● Supports Modbus RTU communication protocol and automatic protocol recognition

●Low cost, small volume modular design

Typical applications:

●Linear actuators for solenoid valves and proportional valves

●RS232/RS485 industrial programmable power supply

●RS485 bus industrial automation control system

● Light control, LED intelligent dimming control

● Equipment operation debugging and control

● Linear controller for electromagnetic switch

●DC motor control and forward/reverse control

●Electromagnetic drive coil or high-power load

●Machine vision lighting control

WJ203 General Parameters:

(Typical @+25 ℃, Vs is 24VDC)

Output type: constant current output or constant voltage output, range 0~± 23V or 0~± 250mA

Accuracy: 0.2%

Temperature drift: ± 50ppm/℃ (± 100ppm/℃, maximum)

Output range: Current output 0~± 250mA

Voltage output 0~± 23V

Maximum output: current output of 250mA

Voltage output 23V

Output protection: output overvoltage protection, output overcurrent protection. Support switch signal to cut off output.

Communication: RS-485 or RS-232 standard character protocol and MODBUSRTU communication protocol

Baud rates (2400, 4800, 9600, 19200, 38400, 57600, 115200bps) can be selected by software