YASKAWA MP920 - Page 128

6 217IF Module
6.4.2 RS-422/485 Interface Cables
6-12
 RS-422 Wiring
CN2
CN1
RUN
ERR
TRX1
TRX2
TRX3
CN3
217IF
RS232/422
(PLC, etc.)
Terminal
MP920
7
TX (+)
6
TX (-)
5
TXR
2
RX (+)
1
RX (-)
4
RXR
3
SH
8
SH
FG
217IF CN3
(MR-8)
Remote station
2
RX (+)
1
RX (-)
4
RXR
7
TX (+)
6
TX (-)
5
TXR
3
SH
8
SH
FG
217IF CN3
(MR-8)
When the remote station is
also a 217IF Module, the
wiring will be as shown below.