96
Connecting to the Host’s RS-422A/485 Port Section 5-2
When Using the Host Link
Method
Compatible Host Units
Some models and series of OMRON PLCs have the RS-422A/485 type host
link function built in. With the CS/CJ-series and CQM1H, the host link method
can be used by installing a Serial Communications Board/Unit. In addition,
some C200HX/HG/HE(-Z)E PLCs can be connected using the host link
method by installing a Communications Board.
With the CPM2A and CPM2C, an RS-422A type of 1:1 NT Link can be cre-
ated through a CPM1-CIF11 RS-422A Adapter.
Check the model and series of the PLC and the type of the installed Board or
Unit before making a connection.
The Host Units featuring the RS-422A/485 host link function that can be con-
nected to the RS-422A/485 port of the NT31/NT31C are listed in the table
below.
PLC
Series
CPU Unit with built-in Host
Link
CPU Units Connectable with
Host Link Units or Expansion Com-
munications Board/Unit
Host Link Unit or
Communications
Board/Unit
Connectable
to
CS Series 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-CPU65H/67H
(*1)
CS1W-SCB41(-V1)
CS1W-SCU31-V1
CS1G
CS1H
CS1D
CJ Series CJ1G-CPU44/45
CJ1G-CPU42H/43H/44H/45H
CJ1H-CPU65H/66H/67H
CJ1M-CPU11/12/13/21/22/23
CJ1W-SCU31-V1
CJ1W-SCU41(-V1)
CJ1G
CJ1H
CJ1M
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