Cn1 cables, Cn3 cables – Yaskawa MP920 Communications Module User Manual
Page 209
8 Example Communications Module Applications
8.3.2 Cable Specifications
8-18
CN1 Cables
Note: Mitsubishi Electric Controller model: A1SJ71C24
CN3 Cables
* 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.
217IF
MELSEC Controller
D-sub 9-pin
D-sub 9-pin
Signal Name
Pin No.
Pin No.
Signal Name
FG
1
1
CD
TXD
2
2
RD
RXD
3
3
SD
RTS
4
4
DTR
CTS
5
5
SG
DSR
6
6
DSR
SG
7
7
RS
DTR
9
8
CS
217IF
Screw Terminal Block *
MR 8-pin
Signal Name
Signal Name
Pin No.
Left
Right
RXR
4
SD A
RX (-)
1
SG
RX (+)
2
SD B
TXR
5
FG
TX (-)
6
RD A
TX (+)
7
N.C.
SG
8
RD B
SH
3
Shield
FG
To SG on
the right
Shield
INFO