YASKAWA MP920 User Manual page 221

CN3 Cables
217IF
MR 8-pin
Signal Name
RXR
RX (-)
RX (+)
TXR
TX (-)
TX (+)
SG
SH
Note: 1. Connect the cable so that the terminating resistance for the 217IF is
connected.
2. Set the switch on the board to ON. For the RS-485 intermediate
stations, set the switch on the board to OFF. (VS-616G5)
1. Refer to 8.1.2 Cable Specifications for the MPE720 Programming Device connections.
INFO
2. If the terminating resistance cannot be inserted in the Module, mount 120 Ω. terminating resistance
at the end of the transmission line outside the Module. Insert the terminating resistance in the sta-
tions at both ends of the transmission path. Do not insert it in the intermediate stations.
Shield
Pin No.
4
1
2
5
6
7
8
3
FG
Intermediate stations
Stations (at both ends) in which the terminating
resistance is mounted
8-31
8.5 Connection to an Inverter
VS-616G5
Screw Terminal
Pin No. Signal Name
1
SRD (+)
2
SRD (-)
3
SRD (+)
4
SRD (-)
8