RS232 to 4-20mA Converter

Product Description

with Modbus,RS485/232 to Analog Current or Voltage Signal Converters,D/A Converter

Shenzhen WAYJUN Industrial Automation is a HI-tech company of designing, researching A/D and D/A Data Acquisition Module,digital signal DI/DO module,analog signal isolated converter,signal conditioners,4-20mA current signal splitter,isolated amplifier(RTD/current/voltage/frequency/speed/potentiometer/pulse),Min-power DC DC converters.Our products also carry the CE approval for safety.

•  Type No.: WJ31-485-A4   means RS485 interface,4-20mA signal out 
•  Type No.: WJ31-232-U1   means RS232 interface,0-5V signal out
•  Type No.: WJ31-485-U1   means RS485 interface,0-5V signal out

• DIN Rail-mounted
• RS485/232  to 4-20ma/0-5V analog signal output
• 12-bit DA converter,analog signal output accuracy>0.2%
• Can be remotely reconfigured for modules accuracy
• Three-port Isolation: 3000VDC isolation.
• Wide power supply range:8~32VDC
• High reliability, easy program, installation.
• Can program setting module address, baud rate
• Support Modbus RTU

• Intelligent building control, security and engineering applications
• RS485/232 industrial automation control system
• Industrial fields signal isolation and long-terms transmission
• Debugging and control of equipment operation
• 4-20mA signal output
• Medical machine monitoring
• Sensor signal to restore the long-range transmission and signal
• Industrial field data for a given actuator

WJ31 signal isolated D/A converter module, can output one channel voltage/current signals,or 2-channel common ground and isolation current/voltage signals. 

General parameters:

 (typical @ +25 Vs to 24VDC)

•  Output type: current / voltage signal
•  Accuracy: 0.2%
• Output maladjustment: current output  ± 0.5 uA /  C, voltage output of ± 0.1 mV /  C
• Temperature drift:± 20 ppm / (± 30 ppm /  maximum)
• Output load capacity: current output  350 (4-20mA/0-20mA/0- ± 20mA current output)
• voltage output  10mA (0-5V/0-10V/0- ± 5V voltage output)
• Communication: RS-485 protocol or RS-232 standard characters protocols and MODBUS RTU communication protocol
• Baud Rate (1200,2400,4800,9600,19200,38400 bps) can be selected via software
• Address (0 to 255) can be selected via software

• Communication Response Time: 100 ms maximum
• Power Supply: +8 ~ 32VDC wide range power supply, internal anti-reverse and over-voltage protection circuit
• Power Loss: less than 1.5W
• Operating Temperature: - 45 ~ +80
  
• Humidity: 10 ~ 90% (no condensation)
• Storage Temperature: - 45 ~ +80
  
• Storage Humidity: 10 ~ 95% (no condensation)
• Isolation Voltage: communication interface / output: 3KVDC, 1 minute, leakage current:1mA

• Shock Voltage: 3KVAC, 1.2/50us (peak)
• Dimensions: 106.7 mm x 79 mm x 25mm