Communication Protocol and Parameters
To program the communication parameters, press I/O (F1) key from the base menu.
F1 F2 F3 F4
Then press I/O (F1) again:
F1 F2 F3 F4
Then press COM (F1) to select communication parameters.
Set Bus protocol for Modbus:
F1 F2 F3 F4
Press NXT (F1) repeatedly until Modbus is selected as shown and then press OK (F4) to accept
the setting.
The following communication parameters are only available for MODBUS:
F1 F2 F3 F4
Press NXT (F1) repeatedly until the correct selection is shown and then press OK (F4) to accept
the setting.
SET I/O
I/O FEQ 420 EXIT
SET I/O
COM CTC EXIT
Bus=Modbus
NXT OK
Baud=9600
NXT OK
Modbus/BACnet
14
MODBUS PR
OGRAMMING
Modbus Programming
