Panasonic FP-XH Series User Manual page 30

2.4 Wiring for Communication Cassettes COM1 to COM4 Ports
Allocated function
Terminal
(When RS-485 is
code
selected)
R- Transmission line (-)
- -
■
Wiring example (when using RS-485)
■
Wiring example (when using RS-422)
2.4.4 Communication Cassette AFPX-COM4 (RS- 485 1ch Isolated Type +
RS-232C 1ch Non-Isolated Type)
■
Setting of cassette backside switch
A termination resistance selector switch for RS-485 interface is located on the surface of the
Communication Cassette AFPX-COM4. Turn ON this switch only when it is the terminal unit.
The relationship between the settings of switches on the back of the cassette and the
communication interface part is shown in the figure below.
2-12
Allocated function
(When RS-422 is
selected)
Receive data (-)
-
Port allocated on the
software
Cassette
Signal direction
mounting
part 1
PLC ← External
device
WUME-FPXHCOMG-02
Cassette
mounting
part 2
-