YASKAWA MP920 User Manual page 202

8 Example Communications Module Applications
8.2.2 Cable Specifications
INFO
CN3 Cables
217IF
MR 8-pin
Signal Name Pin No.
4
RXR
1
RX (-)
2
RX (+)
5
TXR
6
TX (-)
7
TX (+)
8
SG
3
SH
* Terminating resistance: 120 Ω
Note: 1. OMRON PLC Models:
C200H-LK202-V1
C500-LK201-V1
C120-LK202-V1
2. Connect the cable so that the terminating resistance for the 217IF
Module is connected.
If the terminating resistance cannot be inserted in the Module, mount 120Ω.terminating resistance at
the end of the transmission line outside the Module. Insert the terminating resistance in the stations at
both ends of the transmission line. Do not insert it in the intermediate stations.
Intermediate stations
Stations (at both ends) in which the terminating resistance is connected
Shield
FG
8-12
OMRON PLC
D-sub 9-pin
Pin No. Signal Name
1
RD B
2
N.C.
3
SG
4
N.C.
5
SD B
6
RD A
7
FG
8
N.C.
9
SD A