Let-
ter
Item Description
(A) NX-series CPU Unit The Unit that serves as the center of control for a Machine Automation Con-
troller. It executes tasks, refreshes I/O for other Units and slaves, etc. NX
Units can be connected to an NX1P2 CPU Unit.
(B)
NX Units
*1
The NX Units perform I/O processing with connected external devices. The
NX Units exchange data with the CPU Unit through I/O refreshing. A maxi-
mum of eight NX Units can be connected to an NX1P2 CPU Unit.
(C)
End Cover The End Cover is attached to the end of the CPU Rack.
(D) Support Software
(Sysmac Studio)
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.
*1. For whether an NX Unit can be connected to the CPU Unit, refer to the version information in the user’s man-
ual for the NX Unit.
1-2-2
System Configuration of Slave Terminals
A building-block remote I/O slave provided with a group of NX Units connected to a Communications
Coupler Unit is generically called a
Slave T
erminal.
The NX Units can be flexibly combined with a Communications Coupler Unit to achieve the optimum
remote I/O slave for the application with less wiring, less work, and less space.
The following figure shows an example of the system configuration when an EtherCAT Coupler Unit is
used as a Communications Coupler Unit.
Refer to the user’s manual for the connected Communications Coupler Unit for details on how to con-
figure the system when any other type of Communications Coupler Unit is used.
1 Features and System Configuration
1-5
NX-series System Units User's Manual (W523)
1-2 System Configuration
1
1-2-2 System Configuration of Slave Terminals
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