Features:

1. Working voltage : 4-5.5V 
   
2. Working current : 10-13MA
   
3. MODBUS RTU Command: Write 06/16, Read 04/03
   
4. IN1/IN2 channels, the measuring range of the voltage version is 0-11V, the measuring range of the current version is 0-21MA
   
5. Voltage version has a resolution of 0.01V and a measurement accuracy of 0.5%; it can be calibrated if the error is greater than 1%
   
6. Current version has a resolution of 0.01V and a measurement accuracy of 0.5%; it can be calibrated if the error is greater than 1%
   
7. MODBUS RTU commands can be input by PLC in addition to computer serial port super terminal input.
   
8. In MODBUS RTU command mode, up to 247 devices can be supported in parallel.
   
9. 3.96MM terminal block, use 2.0-2.5MM slotted screwdriver to select screws
   
10. Size: 41.5 * 20 * 6 mm

Interface definition:

VIN : Power input+
GND : Power input-
A+: RS485 signal A+
B-: RS485 signal B-
GND: Signal common -
IN1 : Signal 1+
IN2 : Signal 2+

Application:

• PLC Output expansion board
  
• Smart Home,Home Automation ,Wiser Home;
  
• PTZ CCTV Camera
  
• Security Monitoring
  
• Displacement/Hall sensor
  
• PT100 K P J Thermocouple Sensor
  
• Automatic curtain control
  
• 0-20MA/4-20MA Current Sensor
  
• 0-10V Voltage Sensor
  
• Motion detector
  
• Industrial field measurement and sensing