3 Part Names and Functions
3 - 6
NX-series Digital I/O Unit User’s Manual (W521)
Units with MIL Connectors (1 Connector with 20 Terminals)
3-1-2 Connector Types
NX Units (30 mm Width)
Let-
ter
Name Function
(A) Marker attachment loca-
tion
The locations where markers are attached. The markers made by OMRON
are installed for the factory setting. Commercially available markers can also
be installed.
Refer to 4-1-2 Attaching Markers on page 4-4.
(B) NX bus connector This connector is used to connect each Unit.
(C) Unit hookup guides These guides are used to connect two Units.
(D) DIN Track mounting hooks These hooks are used to mount the NX Unit to a DIN Track.
(E) Protrusions for removing
the Unit
The protrusions to hold when removing the Unit.
(F) Indicators The indicators show the current operating status of the Unit.
Refer to 3-2 Indicators on page 3-9.
(G) Connectors The connectors are used to connect to external devices.
(H) Unit specifications The specifications of the Unit are given.
(C)
(E)
(C)
(C)
(D)
(H)
(G)
(F)
(C)
(A)
(E)
(B)
(B)
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