Mitsubishi Electric GT14 User Manual page 411

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RS422 connection diagram 6)
External cable
GT11H-C□□□ side
FG(Shield)
Shield
RDA
O/R(A)
RDB
O/BK(A)
SDA
W/R(A)
SDB
W/BK(A)
SG
PK/R(A)
RSA
GY/R(A)
CSA
Y/R(A)
RSB
GY/BK(A)
CSB
Y/BK(A)
*1
Set the terminating resistor of the PLC side to "330Ω ".
Precautions when preparing a cable
(1) Cable length
The total distance (between the GOT and a controller)
of RS-232 cable must be total distance 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
*1
PLC side
(terminal block)
SDA
SDB
RDA
RDB
SG
21. DIRECT CONNECTION TO CPU
21.3 Connection Diagram
17
18
19
20
21
22
23
24
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