YASKAWA MP920 User Manual page 208

8 Example Communications Module Applications
8.3.2 Cable Specifications
INFO
CN1 Cables
217IF
D-sub 9-pin
Signal Name Pin No.
1
FG
2
TXD
3
RXD
4
RTS
5
CTS
6
DSR
7
SG
9
DTR
Note: Mitsubishi Electric Controller model: A1SJ71C24
CN3 Cables
217IF
MR 8-pin
Signal Name Pin No.
RXR 4
RX (-) 1
RX (+) 2
TXR 5
TX (-) 6
TX (+) 7
SG 8
SH 3
* For the AJ71UC24, switch SW24, which is used to connect the terminat-
ing resistance, must be set to ON (MELSEC).
Note: 1. Mitsubishi Electric Controller models:
A1SJ71C24
AJ71UC24
A171QC24
A1SJ71UC24-R4: R2 cannot be connected.
(This is because the RS-232C 1: 1 connection address is fixed at
"0".)
2. Connect the cable so that the terminating resistance for the 217IF
Module is connected.
Refer to 8.1.2 Cable Specifications for the MPE720 Programming Device connections.
Shield
Shield
To SG on
FG
the right
8-18
MELSEC Controller
D-sub 9-pin
Pin No. Signal Name
1
CD
2
RD
3
SD
4
DTR
5
SG
6
DSR
7
RS
8
CS
Screw Terminal Block *
Signal Name
Left Right
SD A
SG
SD B
FG
RD A
N.C.
RD B