Omron SYSMAC CQM1-ID212 - Page 50

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One-to-one Link Connections The RS-232C port on the CQM1-CPU21-E and CQM1-CPU4j-EV1 can be
connected to the same port on another CQM1 PC to create a data link. Wire the
cable as shown in the diagram below.
1
2
3
4
5
6
FG
SD
RD
RS
CS
–
–
–
SG
7
8
9
1
2
3
4
5
6
7
8
9
FG
SD
RD
RS
CS
–
–
SG9
CQM1 CQM1
Signal
Abb.
Pin
No.
Signal
Abb.
Pin
No.
–
Ground the FG terminals of CQM1 Units at a resistance of less than 100 Ω.
Wiring and Connections
Section 2-5
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