Mitsubishi Electric GT14 User Manual page 801

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RS-422 cable
POINT
POINT
POINT
Differences in polarity between GOT and OMRON
PLCs
The polarity of poles A and B in signal names is
reversed between GOT and OMRON PLCs.
 Connect a cable according to the following
connection diagrams.
(1) Connection diagram
RS422 connection diagram 1)
Connector conversion
box
side
SDA
1
SDB
6
RDA
2
RDB
7
RSA
3
CSA
4
SG
5
RSB
8
CSB
9
FG
-
RS422 connection diagram 2)
External cable
GT11H-C-37P side
FG(Shield)
1
SDA
2
SDB
3
RSA
4
RSB
5
RDA
6
RDB
7
CSA
8
CSB
9
SG
10
RS422 connection diagram 3)
FG(Shield)
OMRON PLC side
RDB
8
RS422 connection diagram 4)
RDA
6
SDB
2
SDA
1
RS
SDA
4
CS
SDB
5
RDA
RDB
RSA
CSA
RSB
CSB
OMRON PLC side
-
-
RS422 connection diagram 5)
RDB
8
RDA
6
-
-
FG(Shield)
-
-
SDB
2
SDA
1
RS
4
CS
5
-
-
External cable
GT11H-C side
Shield
SDA
W/R (A)
SDB
W/BK (A)
RSA
GY/R (A)
RSB
GY/BK (A)
RDA
O/R (A)
RDB
O/BK (A)
CSA
Y/R (A)
CSB
Y/BK (A)
SG
PK/R (A)
Connector conversion
box
side
FG
-
1
6
2
7
SG
5
3
4
8
9
External cable
GT11H-C-37P side
1
SDA
2
SDB
3
RSA
4
RSB
5
RDA
6
RDB
7
CSA
8
CSB
9
SG
10
33. CONNECTION TO OMRON PLC
33.2 Serial Connection
32
OMRON PLC side
-
-
RDB
8
RDA
6
-
-
33
-
-
SDB
2
SDA
1
RS
4
CS
5
-
-
34
OMRON PLC side
FG
-
35
RDB
1
RDA
6
SDB
5
SDA
9
SG
3
36
37
OMRON PLC side
FG
-
RDB
1
RDA
6
-
-
-
-
38
SDB
5
SDA
9
-
-
-
-
SG
3
39
33 - 25

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