2 Features and System Configuration
2 - 6
NX-series EtherCAT Coupler Unit User’s Manual (W519)
The following table lists some examples of the types of NX Units that are available.
Refer to the user’s manual for the specific Units for details.
For information on the most recent lineup of NX Units, refer to NX-series catalogs or OMRON websites,
or ask your OMRON representative.
2-2-2 Types of NX Units
Unit type Overview
Digital I/O Units These Units process I/O with digital signals.
Digital Input Units These Units process inputs with digital signals.
Digital Output Units These Units process outputs with digital signals.
Analog I/O Units These Units process I/O with analog signals.
Analog Input Units These Units process inputs with analog signals.
Analog Output Units These Units process outputs with analog signals.
Temperature Input Units These Units process inputs from temperature sensors.
System Units System Units are used as required to build a Slave Terminal.
Additional NX Unit Power
Supply Unit
This Unit is used when the NX Unit power supply is not suffi-
cient.
Additional I/O Power Sup-
ply Unit
This Unit is used when the I/O power supply is not sufficient
or to separate the power supply in the Slave Terminal.
I/O Power Supply Connec-
tion Unit
This Unit is used when the I/O power supply terminals for
connections to external I/O devices are not sufficient.
Shield Connection Unit This Unit is used to ground more than one shield wire from
external I/O connections to the same ground.
Position Interface Units These Units perform I/O processing of position data for posi-
tioning.
Incremental Encoder Input
Units
These Units count pulses from incremental encoders.
SSI Input Units These Units process serial signal inputs from absolute
encoders or linear scales that have an SSI interface.
Pulse Output Unit This Unit outputs pulses for positioning commands to a step-
per motor driver or other motor drive with a pulse input.
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