
4 Communication settings and guide of HMI connecting with controller
4.51 Modbus
◎Serial Communication
Series CPU Link Module SIO type Driver
Modbus RTU
MODBUS
Compatible
External Device
RS232/485
unit
Modbus RTU
Modbus RTU Extend
RS232/485
Modbus RTU Extend
Modbus RTU Slave
RS232/485
unit
Modbus RTU Slave
Modbus RTU MT500
compatible
RS232/485
unit
compatible
Modbus ASCII
RS232/485
unit
Modbus ASCII
Modbus TCP Ethernet Modbus TCP
Modbus TCP Slave Ethernet Modbus TCP Slave
Modbus UDP Slave Ethernet Modbus UDP Slave
◎System configuration
Modbus RTU
MODBUS
Compatible
External
Device
RS232/485
CPU unit
RS232/RS48
5
Setting Your owner cable
Extend
RS232/485
CPU unit
RS232/RS48
5
Setting Your owner cable
Modbus RTU Slave RS232/485
CPU unit
RS232/RS48
5
Setting Your owner cable
MT500 compatible
RS232/485
CPU unit
RS232/RS48
5
Setting Your owner cable
Modbus ASCII
RS232/485
CPU unit
RS232/RS48
5
Setting Your owner cable
Modbus TCP Ethernet
Connection Configuration
Modbus TCP Slave Ethernet
Modbus UDP Slave Ethernet
◎Communication Setting
Modbus RTU protocol
RS232 communication
Default communication parameters: 9600, 8, even, 1; station: 1
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