Industrial products, high progress SHT20 temperature and humidity sensor, the RS485 communication;
Standard MODBUS protocol with ordinary at an organic whole, the user can choose communication protocol;
Baud rate can decide for themselves;
General agreement with automatic upload function, upload speed can decide for themselves.
Work voltage: DC4-30 v (highest do not exceed 33 v) .
Most powerful: 0.2 W .
Work environment: Temperature 20 ℃ - 60 ℃, Humidity 0-100.
Control precision: Temperature±0.3℃, Humidity ±3%RH.
Device address: 1-247 can be set, the default is 1.
Baud rate: 9600(the user can set), 8bits, one stop, no check;
Output interface: RS485 communication (standard MODBUS protocol and custom ordinary), see note agreement device.
Mod bus Function Code:
0x03:Read keep register
0x04: Read input register
0x06: Write a single keep register
0x10: Write more keep registers