Mitsubishi 900 Series User Manual page 93

(3) Computer Link Connection
(a) For RS-232C cable
The user needs to fabricate the RS-232C cable which is used to connect the GOT and
Computer link unit side (serial communication, computer link module or PLC CPU with
computer link function).
The RS-232C cable connection diagram and the connector are as follows.
1) Connection diagram
• If D-sub 9-pin is used for the connector of the computer link unit.
(A1SJ71QC24(-R2), A1SJ71UC24-R2, A1SJ71C24-R2, A1SCPUC24-R2, A2CCPUC24,
QJ71C24(-R2), QJ71CMO)
• If D-sub 25-pin is used for the connector of the computer link unit.
(AJ71QC24(-R2), AJ71UC24)
8 - 15
8.3 Wiring Precautions the Part which Matches the EMC Directives
8.3.2 Grounding the ground cable
GOT side
Signal Pin No.
8
CS(CTS)
7
RS(RTS)
1
CD
2
RD(RXD)
3
SD(TXD)
4
DTR(ER)
6
DSR(DR)
5
SG
- 9
Shell
GOT side
Signal Pin No.
8
CS(CTS)
7
RS(RTS)
1
CD
2
RD(RXD)
3
SD(TXD)
4
DTR(ER)
6
DSR(DR)
5
SG
9
-
Shell
Computer link module side
Braided shield
Computer link module side
Braided shield
Pin No. Signal
1
CD
7 RS(RTS)
8 CS(CTS)
3 SD(TXD)
2 RD(RXD)
6 DSR(DR)
4 DTR(ER)
5 SG
9 -
Shell
Pin No. Signal
1 CD
7 RS(RTS)
8 CS(CTS)
3 SD(TXD)
2 RD(RXD)
6 DSR(DR)
4 DTR(ER)
5 SG
9 -
Shell