3-39
TI04L55B01-01EN
Modbus Client/Master Function
The GM can operate as a Modbus client or master.
It can read from and write to the internal registers of Modbus server or slave devices. Read data
can be assigned to communication channels (/MC) for processing.
Modbus server device
Modbus client
Ethernet
GM
Command
Input register
Hold register
Read
Write
Read
3XXXXX
4XXXXX
Write
Read
Read
Server device
Winternal register
GM
l
Number of Commands
Type
Number of Commands
GM10-1
100
GM10-2
200 (Modbus client)
100 (Modbus master)
l
Maximum Number of Server Connections When Operating as a Modbus Client
Type
Maximum Number of Server Connections
GM10-1
16
GM10-2
32
l
Writable Data
Data Type
I/O channel data
Math channel data (/MT option)
Communication channel data (/MC option)
3
Functions
Summary of Contents for SMARTDAC+ GM
Page 2: ...Blank Page...