Panasonic AFPX-C30T - Page 133

1-channel RS485/RS422 Type (Product No.: AFPX-COM3)
This communication cassette is a 1-channel unit with an isolated two-wire RS485/four-wire RS422 port.
LED indication / Terminal layout
Pin
name
Name
Signal
direction
Port
RS485
RS422
S+
Transmission
line (+)
Send
Data (+)
−
COM1
port
S-
Transmission
line (-)
Send
Data (-)
−
R+ −
Receive
Data (+)
−
R- −
Receive
Data (-)
−
− − −
Cassette backside switch
SW1
RS485
RS422
1
2
3
ON OFF
4 ON for terminal unit
Change the switch at the back of the cassette
depending on the state of the communication.
1:1 communication
1:N communication
Computer link
- Available
General-purpose serial communication
-
Available
PC(PLC) link
Available
Note)
MODBUS RTU
-
Available
Note) When using this cassette, the data is always transmitted by the STOP bit2 regardless the setting
of stop bit. The data can be received by either STOP bit 1 or 2 regardless the setting of stop bit.
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