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2.5 Connection Cable
2.5.8 Connecting to YASKAWA PLC CPU
(a) Connection diagram
• RS-232 cable 1)
• RS-232 cable 2)
• RS-232 cable 3)
Personal computer
(GT SoftGOT1000) side
Cable connection and signal direction
YASKAWA products side
Signal name Pin No. Pin No. Signal name
CD 1 1FG
RD(RXD) 2 2TXD
SD(TXD) 3 3RXD
ER(DTR) 4 4RTS
SG 5 5CTS
DR(DSR) 6 6DSR
RS(RTS) 7 7GND
CS(CTS) 8 8EST
-9 9DTR
Personal computer
(GT SoftGOT1000) side
Cable connection and signal direction
YASKAWA products side
Signal name Pin No. Pin No. Signal name
CD 1 1FG
RD(RXD) 2 2TXD
SD(TXD) 3 3RXD
ER(DTR) 4 4RTS
SG 5 5CTS
DR(DSR) 6 6DSR
RS(RTS) 7 7GND
CS(CTS) 8 8NC
-9 9DTR
Personal computer
(GT SoftGOT1000) side
Cable connection and signal direction
YASKAWA products side
Signal name Pin No. Pin No. Signal name
CD 1 1FG
RD(RXD) 2 2TXD
SD(TXD) 3 3RXD
ER(DTR) 4 4RTS
SG 5 5OP/CTS
DR(DSR) 6 6DSR
RS(RTS) 7 7GND
CS(CTS) 8 8PWR
-9 9DTR