Mitsubishi 900 Series User Manual page 71

8 EMC DIRECTIVE
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(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))
GOT side
Signal Pin No.
CS(CTS) 8
RS(RTS) 7
1
CD
RD(RXD) 2
3
SD(TXD)
4
DTR(ER)
6
DSR(DR)
5
SG
9
-
Shell
• If D-sub 25-pin is used for the connector of the computer link unit.
(AJ71QC24(-R2), AJ71UC24)
GOT side
Signal Pin No.
CS(CTS) 8
RS(RTS) 7
CD 1
RD(RXD) 2
SD(TXD) 3
DTR(ER) 4
DSR(DR) 6
SG 5
- 9
Shell
Computer link module side
Braided shield
Computer link module side
Braided shield
MELSEC-GOT
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
CD
8
RS(RTS)
4
CS(CTS)
5
SD(TXD)
2
RD(RXD)
3
DSR(DR)
6
DTR(ER)
20
SG
7
-
9
Shell
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