Filter
Top Products
123
Connecting to the Host’s RS-422A/485 Port Section 5-2
Note A Serial Communications Board cannot be installed.
For details on handling shield wires, refer to 5-2-8 Handling the Shield on RS-
422A/485 Cables on page 125.
5-2-6 Recommended Connectors, Cables and Crimp Terminals
Connectors and Cables Recommended for RS-422A/485
When making an RS-422A/485 connecting cable, as far as possible use the
recommended parts indicated in the table below. When using the memory link
method, however, use a connector that matches with the RS-422A port at the
CPU Unit (CP) side. Some Units come supplied with one connector and con-
nector hood.
Check the required parts and prepare them in advance.
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
6
5
9
1
NT631/NT631C side
Shielding wire
PLC side
Pin number
1
2
3
4
5
6
7
8
9
(9-pin type)
RDA
TRM
RDB
SDA
SDB
RSA
RSB
24V
+DC
Abbreviation
RDA (-)
TRM
RDB (+)
SDA (-)
SDB (+)
RSA (-)
RSB (+)
Next PT
Abbreviation
FG
SDA (-)
SDB (+)
−
−
−
RDA (-)
−
RDB (+)
−
RS-422A/
485
terminal
block
RS-422A
connector
Functional
ground
Connector
hood
Name Model Maker Remarks
Connector XM2A-0901 9-pin type
Made by OMRON
Delivered with the following
Units:
CS/CJ-series CPU Units,
C-series C200HS
C200HX/HG/HE(-Z)E
Delivered with the following
Units:
CVM1/CV-series CPU Units
CV500-LK201
Connector
hood
XM2S-0911 9-pin type
Made by OMRON
Delivered with the following
Units:
C-series C200HS
C200HX/HG/HE(-Z)E
Delivered with the following
Units:
CVM1/CV-series CPU Units
CV500-LK201
XM2S-0911-E 9-pin type
Made by OMRON
Delivered with the following
Units: CS/CJ-series PLCs
Cable TKVVBS4P-03 Tachii Electric Wire
Co., Ltd.