Brand Name:icchipcn.com
Condition:New
Type:Logic ICs
RS485 interface Modbus protocol round card temperature transmitter
Product Features:
This product is especially suitable to be installed in the WZP series temperature sensor housing. The dual head needs to be thickened or imitated Japanese style, and ordinary dual heads cannot be used.
It can be connected with two-wire PT100 platinum resistance or DS18B20 digital temperature sensor.
The temperature measurement range of DS18B20 sensor is -55~125℃, and the accuracy is ±0.5℃ in the range of -10~85℃.
The measurement range of PT100 sensor is -200~600℃, and the temperature measurement accuracy can reach ±0.3℃ (the measurement accuracy is related to the PT100 accuracy).
Stable performance and strong anti-interference ability.
RS485 interface, Modbus-RTU protocol, full digital transmission, no need for analog capture card to connect with PLC, touch screen or PC, the transmission process is error-free.
DC 9-24V power supply.
Dimensions: 43*21mm (diameter 43mm, thickness 21mm round shell).
The communication protocol adopts the standard modbus-RTU protocol, the factory default ID number is 1, the baud rate is 9600 (1200~115200 can be set) bps, no parity (odd parity, even parity, and no parity can be set).
Register address:
0000 Sensor valid flag register
0001 Temperature value register
Communication example:
Read temperature value:
Send: 01 04 00 00 00 02 71 CB
Command function: read 2 register values starting from 0000
Return: 01 04 04 00 01 01 2F EA 08
Return content:
01 ID number
04 instructions
04 returns the number of bytes
0001 The temperature value is valid
012F temperature value is 30.3℃
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