Integrated Multi-parameter Sensor Operation manual
67
Figure 9
Figure 10
Chapter 8 Communication Protocol
A
、
The sensor probe comes with Modbus RS485 function, communicates in RTU mode, and the default
baud rate is 9600. It can communicate with the host computer (PC/digital instrument, etc.) with RS485
communication function. The specific MODBUS-RTU table is shown in the table below.
MODBUS-RTU
Baud rate
9600/4800/19200/38400/115200
Data bit
8 Bits
Parity
No
Stop bit
1 Bit
Slave address
1-254
（
Default 10
）
B
、
Adopt standard communication protocol of MODBUS. The details of the protocol content have been
showed as below.