4-1 1:1 Host Connection
4-5
• Supported RS-422A Host Units
Units for RS-422A communications with a built-in 1:1 NT Link function vary according to the
type and series of OMRON PLC used.
• C200HX/HG/HE(-Z) PLCs can be connected in a 1:1 NT Link for RS-422A by adding a
Communications Board.
• CQM1H PLCs can be connected in a 1:1 NT Link for RS-422A by adding a Serial Commu-
nications Board.
Check the series and type of the PLC and the model of the Board that is mounted to the PLC
when connecting the PT to the host.
The following table lists the Units that can be connected to NS-series PTs as hosts and sup-
port a 1:1 NT Link using RS-422A.
PLC series CPU Units that support 1:1 NT Link using RS-422A
C200HE-CPU32(-Z) (See note 1.)
C200HE-CPU42(-Z) (See note 1.)
C200HG-CPU33(-Z) (See note 1.)
C200HG-CPU43(-Z) (See note 1.)
C200HG-CPU53(-Z) (See note 1.)
C200HG-CPU63(-Z) (See note 1.)
C200HX-CPU34(-Z) (See note 1.)
C200HX-CPU44(-Z) (See note 1.)
C200HX-CPU54(-Z) (See note 1.)
C200HX-CPU64(-Z) (See note 1.)
C200HX-CPU65-Z (See note 1.)
C200HX-CPU85-Z (See note 1.)
C Series
CQM1H-CPU51/61 (See note 2.)
CV500-CPU01-V1
CV1000-CPU01-V1
CV Series (See note 3.)
CV2000-CPU01-V1
CVM1 Series (See note 3.)
CVM1-CPU01-V2
CVM1-CPU11-V2
CVM1-CPU21-V2
Note 1. A C200HW-COM03-V1 or C200HW-COM06-V1 Communications Board is required.
2. A CQM1H-SCB41 Serial Communications Board is required.
3. CVM1/CV-series CPU Units without a -V@ suffix cannot be connected.
Reference The 1:1 NT Link is not supported for RS-485 (two-wire) communications. Always use RS-422A
(four-wire).
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