Modbus wall-mounted temperature and humidity transmitter Sensor with display track installation

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Basic parameters

Size

Mounting method Wall mounting or DIN

Open encloser to Wire

RS485 communication Default parameters 9600n81

Default device address is 1

Modbus RTU protocol

Eg master read temperature humidity

Sensor responds

Temperature calculates

00F8 HEX 248 DEC

Output value 01650 corresponds to 40125

Temperature12540248165040152

Humidity calculates

00177 HEX 375 DEC

Output value 01000 corresponds to 0100RH

humidity3741001000375RH

Set slave ID

Eg set slave ID9 Master sends

Sensor responds

Enquiry slave ID

Master sends

Sensor responds

CWTXYTH config tool instruction

1 Connect sensor

Connect sensor to PC by a RS485 to USB converter

2 Read value

21 read ID

22 read temperature or humidity

3 Set parameters

31 Set ID