ZHC4931Manual
Public
Chengdu Zongheng Intelligent Control Co., Ltd
13
www.iotrouter.com
3.6.
Serial port
3.6.1.
Operating mode
The device works in host mode by default.
Working mode register address:
40785
(
0x0310
)
Support function code:
03 (read holding register),06 (write a single holding register), 10 (write multiple holding registers)
Inquire
:
55 03 03 10 00 01 88 5F
Query response
:
55 03 02 00 02 08 49
Write in
:
55 06 03 10 00 01 44 5F
Write response
:
55 06 03 10 00 01 44 5F
A)
HOST MODE
P 8 Host mode data flow graph