14 Serial Communications
14-4
CP1E CPU Unit Software User’s Manual(W480)
*1 A PT cannot be included in the Serial PLC Links.
*2 Connecting to the CX-Programmer is not possible with this protocol. Use the USB port.
Additional Information
Refer to A-3 Wiring for Serial Communications in the CP1E CPU Unit Hardware User’s Manual
(Cat.No.W479) for Serial communication wiring.
Connected devices Description
Communications
protocol
Built-in
RS-232C
Optional
serial port
Host computers PLC data can be read by the
host computer or written to the
PLC from the computer. The
host computer sends a Host
Link command (C Mode) or a
FINS command to the CPU
Unit to read/write I/O memory,
change the operating mode, or
to force-set/reset bits in the
CPU Unit.
*2
Host Link OK OK
RS-232C
Computer
(Not including the CX-Programmer and other
Support Software.)
Host Link