1 Features and System Configuration
1 - 4
NX-series Communications Interface Units User’s Manual (W540)
Letter Item Description
(A) NX-series CPU Unit This is the central control Unit in the Machine Automation Controller. It exe-
cutes tasks and performs I/O refreshing and other processing for other Units
and slaves. NX Units can be connected to the NX1P2 CPU Units.
(B)
NX Units
*1
*1. For whether an NX Unit can be connected to the CPU Unit, refer to the version information in the user’s manual
for the NX Unit.
The NX Units perform I/O processing with connected external devices. NX
Units exchange data with the CPU Unit during I/O refreshing. You can con-
nect up to eight NX Units to an NX1P2 CPU Unit.
(C) End Cover The End Cover is mounted to the end of the CPU Rack.
(D) Sysmac Studio
Support Software
A computer software application for setting, programming, debugging, and
troubleshooting NJ/NX/NY-series Controllers.
For an NX1P2 CPU Unit, this application performs setting operation by mak-
ing a connection to a built-in EtherNet/IP port.
(E) CIF Unit A CIF Unit is a type of NX Unit that performs serial
communications with an
external serial communications device.
(F) Serial communications
device
This external device performs serial co
mmunications for the application.
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