5
19. LG PLC 5-111
Connection to PLCs
GLOFA CNET
Wiring
Wiring diagrams with the PLC are shown below.
RS-232C
Wiring Diagram 1
Wiring Diagram 2
Wiring Diagram 3
Memory TYPE Remarks
M (internal memory) 0 MW as word device
Q (output) 1 QW as word device
I (input) 2 IW as word device
V7 (CN1)
D-sub 25pin(Male: )
FG
SD
RD
PLC
D-sub 9pin(Male: )
RXD
2
1
3
TXD
SG 7 GND
2
3
5
* Use shielded twist-pair cables.
D-sub 25-pin (male)
D-sub 9-pin (male)
V7 (CN1)
D-sub 25pin(Male: )
FG
SD
RD
PLC
D-sub 25pin(Male: )
TXD
2
1
3
RXD
SG 7 GND
2
3
7
* Use shielded twist-pair cables.
D-sub 25-pin (male)
D-sub 25-pin (male)
V7 (CN1)
D-sub 25pin(Male: )
FG
SD
RD
PLC
D-sub 25pin(Male: )
RXD
2
1
3
TXD
RS
4 GND
2
3
5
CS
5
SG 7
RTS
CTS
7
8
* Use shielded twist-pair cables.
D-sub 25-pin (male)
D-sub 25-pin (male)