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Connecting to the Host’s RS-422A/485 Port Section 5-2
Wiring When Connecting CPM1, CPM2A, CPM2C, or SRM1
Applicable Units:
Connect to the PLC through a CPM1-CIF11 RS-422A Adapter.
For details on handling shield wires, refer to 5-2-8 Handling the Shield on RS-
422A/485 Cables on page 125.
Wiring When Connecting a CS-series Serial Communications Board, CS/
CJ-series Serial Communications Unit, C-series C200HX/HG/HE(-Z)E
Communications Board, CQM1H Serial Communications Board, or
CVM1/CV-series Host Link Unit
Applicable Units:
Note A Serial Communications Board cannot be installed.
CPM1-10CDR-@ CPM1-20CDR-@
CPM1A-10CD@-@ CPM1A-20CD@-@
CPM1A-30CD@-@ CPM1A-40CD@-@
CPM2A-30CD@@-@ CPM2A-40CD@@-@
CPM2A-60CD@@-@
CPM2C-10@@@@@@-@ CPM2C-20@@@@@@-@
SRM1-C02-V2
CS1W-SCU31-V1
CJ1W-SCU31-V1/CJ1W-SCU41(-V1)
CS1G-CPU42/43/44/45-E(V1)
CS1H-CPU63/64/65/66/67-E(V1)
CS1G-CPU42H/43H/44H/45H
CS1H-CPU63H/64H/65H/66H/67H
CS1D-CPU66H/67H (See note.)
C200HE-CPU32/42-(Z)E
C200HG-CPU33/43/53/63-(Z)E
C200HX-CPU34/44/54/64-(Z)E
C200HX-CPU65-ZE/85-ZE
CQM1H-CPU51/61
CV500-LK201 (communications port 2)
NT631/NT631C side
PLC side
FG
SG
SDB (+)
SDA (-)
RDB (+)
RDA (-)
(9-pin type)
FG
SG
SDB
SDA
RDB
RDA
RDA
TRM
RDB
SDA
SDB
RSA
RSB
24V
+DC
Shielding wire
Short-circuit tool
Abbreviation
RDA (-)
TRM
RDB (+)
SDA (-)
SDB (+)
RSA (-)
RSB (+)
RS-422A/
485
terminal
block
RS-422A
terminal
block
Functional
ground
Abbreviation