Port 2 (Rs-232) - Modbus Rtu Or Ascii - AutomationDirect C0-USER-M Manual

Chapter 4: PLC Communications
Port 2 (RS-232) – Modbus RTU or ASCII
All PLCs
ASCII
Devices that SEND ASCII messages
Barcode
Weight Scale
Reader
W-1 C-4
Devices that RECEIVE ASCII messages
Serial Text
Serial Printer
W-1 C-4
4–10
CLICK PLC Hardware User Manual, 6th Edition, Rev. F – C0-USER-M
Port 2
Other devices
that can send
ASCII data.
P-4
Other devices
that can receive
ASCII data.
Display
P-5
Modbus RTU
Modbus RTU Master Devices
PC
See Note on previous page about
connecting a C-more Micro-Graphic
panel to RS-232 Port.
C-more and C-more Supporting Modbus RTU
Micro-Graphic Panel
W-1 C-3
Modbus RTU Slave Devices
Supporting Modbus RTU
Another CLICK PLC
W-1 C-3
Another CLICK PLC
Other Devices
Master Mode
P-1
Other Devices
Slave Mode
P-2