Port 2 (RS-232) – Modbus RTU or ASCII
PC
Another CLICK PLC
Other Devices
Supporting Modbus RTU
Master Mode
Serial Printer
Serial Text
Display
Barcode
Reader
Weight Scale
Devices that SEND ASCII messages
Modbus RTU Slave Devices
Other devices
that can receive
ASCII data.
Devices that RECEIVE ASCII messages
Other devices
that can send
ASCII data.
C-more
and
C-more
Micro-Graphic Panel
See Note on previous page about
connecting a C-more Micro-Graphic
panel to RS-232 Port.
P-5
W-2 C-6
P-4
W-2 C-6
ASCII
Modbus RTU
P-2
W-2 C-5
P-1
W-2 C-5
Another CLICK PLC
Other Devices
Supporting Modbus RTU
Slave Mode
Port 2
CLICK PLUS PLCs
Modbus RTU Master Devices
CLICK PLUS PLC Hardware User Manual, 1st Edition, Rev. B – C2-USER-M
4-9
Chapter 4: PLC Communications