Additional Information
• It is not normally necessary to unlock the DIN Track mounting hook when you mount the NX
Unit. If you mount an NX Unit on a DIN Track that is not one of the recommended DIN
T
racks, the DIN Track mounting hook may not lock into place. If that happens, first unlock the
DIN track mounting hook, mount the NX Unit to the DIN Track, then lock the DIN track mount-
ing hook.
• Refer to the hardware user’s manual for the CPU Unit to which NX Units can be connected
for information on how to mount the CPU Unit and how to mount NX Units to the CPU Unit.
• Refer to the user's manual for the Communications Coupler Unit for information on how to
mount the Communications Coupler Unit and how to mount the NX Unit to the Communica-
tions Coupler Unit.
3-1-2
Attaching Markers
You can attach markers to the NX Units and to the terminal blocks to identify them.
The plastic markers made by OMRON are installed for the factory setting. The ID information can be
written on them.
Commercially available markers can also be installed.
Replace the markers made by OMRON if you use commercially available markers now
.
l
Installation Method
Insert the protrusions on the markers into the marker attachment locations on the NX Units and ter-
minal blocks on NX Units.
Marker
Marker
Marker attachment location
Marker attachment location
<Terminal block><Unit>
3 Installation and Wiring
3 - 4
NX-series Safety Control Unit User's Manual (Z930)
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