RS485 wall-mounted temperature and humidity transmitter 4-20mA temperature and humidity sensor with display track installation

  CWT-XYTH Temperature Humidity Transmitter Manual CWT-XYTH-S (RS485 type) Basic parameters Size Mounting method: Wall mounting or DIN Open encloser to Wire RS485 communication Default parameters: 9600,n,8,1 Default device address is 1 Modbus RTU protocol E.g. master read temperature humidity: Sensor responds: Temperature calculates: 00F8 (HEX)= 248 (DEC) Output value 0~1650 corresponds to -40~125℃ Temperature=125-(-40)*248/1650-40=-15.2℃ Humidity calculates: 00177 (HEX)= 375 (DEC) Output value 0~1000 corresponds to 0~100%RH humidity=374*100/1000=37.5%RH Set slave ID E.g., set slave ID=9, Master sends Sensor responds: Enquiry slave ID Master sends Sensor responds: CWT-XYTH config tool instruction 1 Connect sensor Connect sensor to PC by a RS485 to USB converter 2 Read value 2.1 read ID 2.2 read temperature or humidity 3 Set parameters 3.1 Set ID