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46.3.2 RS-422 cable
Connection diagram
RS422 connection diagram 1)
Connector conversion
box side
SDA
1
RDA
2
RSA
3
CSA
4
SG
5
SDB
6
RDB
7
RSB
8
CSB
9
*1
Connect FG grounding to the appropriate part of a cable
shield line.
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
*1
Connect FG grounding to the appropriate part of a cable
shield line.
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)
*1
Connect FG grounding to the appropriate part of a cable
shield line.
46 - 6
46. CONNECTION TO HITACHI PLC
46.3 Connection Diagram
PLC side
RD-H
2
SD-H
3
-
6
ATT-H
7
SG
5
RD-L
1
SD-L
4
-
8
* 1
ATT-L
9
PLC side
RD-L
1
RD-H
2
SD-H
3
SD-L
4
SG
5
-
6
ATT-H
7
-
8
ATT-L
9
* 1
PLC side
RD-L
1
RD-H
2
SD-H
3
SD-L
4
SG
5
-
6
ATT-H
7
-
8
ATT-L
9
* 1
Precautions when preparing a cable
(1) Cable length
The total distance (between GOT and controllers) of
RS-422 cable must be 13m or less.
(2) Connector conversion box side connector
For the connector conversion box side connector, refer
to the following.
6.6 Connector Conversion Box
(3) External cable side connector
For the connector specifications of the external cable
side, refer to the following.
8.2 External Cable, Relay Cable
(4) HITACHI PLC side connector
Use the connector supporting the HITACHI PLC side
module.
For details, refer to the HITACHI PLC user's manual.
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