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(2) Precautions when preparing a cable
(a) Cable length
The total distance (between the GOT and a
controller) of RS-232 cable must be 6m or less.
(b) Connector conversion box side connector
For the connector conversion box side connector,
refer to the following.
6.6 Connector Conversion Box
(c) External cable side connector
For the connector specifications of the external
cable side, refer to the following.
8.2 External Cable, Relay Cable
(d) YASKAWA PLC side connector
Use the connector compatible with the YASKAWA
PLC side module.
For details, refer to the user's manuals for
YASKAWA PLC.
49 - 16
49. CONNECTION TO YASKAWA PLC
49.2 Serial Connection
RS-422 cable
(1) Connection diagram
RS422 connection diagram 1)
Connector conversion
box side
RDA
2
RDB
7
SDA
1
SDB
6
RSA
3
RSB
8
CSA
4
CSB
9
SG
5
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)
External cable
GT11H-C side
FG(Shield)
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)
YASKAWA PLC side
SDA
2
SDB
9
RDA
3
6
RDB
PGND
1
Receiving side
4
termination
Receiving side
8
termination
SG
7
YASKAWA PLC side
-
-
RDA
3
6
RDB
-
-
PGND
1
SDA
2
SDB
9
4
8
SG
7
YASKAWA PLC side
-
-
3
RDA
RDB
6
-
-
PGND
1
SDA
2
9
SDB
Receiving side
4
termination
Receiving side
8
termination
SG
7
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