Let-
ter
Item Description
(C)
NX Units
*1
• Safety CPU Unit
This Unit serves as the center of control for the Safety Network Controller.
It executes safety programs and CIP Safety communications.
• Safety I/O Unit
This Unit performs safety input or output processing.
• Other NX Units
Digital I/O Units and other types of NX Units perform standard I/O process-
ing.
(D)
End Cover The End Cover is attached to the end of the CPU Rack.
(E) CIP Safety on
EtherNet/IP device
The CIP Safety on EtherNet/IP device performs CIP Safety communications
with the Safety CPU Unit.
(F) EDS (Electronic Data
Sheet) files
The EDS files contain information that is unique to the Communication Con-
trol Unit. You can load EDS files into the Network Configurator or other Ether-
Net/IP network setup software to easily allocate data and view or change set-
tings.
(G)
Network Configurator The software tool to configure the EtherNet/IP network.
(H)
Support Software
*2
The Support Software runs on a personal computer and it is used to configure
the CPU Rack, and to perform programming, monitoring, and troubleshooting.
(I) Communications cable Use an STP (shielded twisted-pair) cable of category 5 or higher. You can use
either a straight or cross cable.
*1. For whether an NX Unit can be connected to the Communication Control Unit, refer to the version informa-
tion in the user’
s manual for the NX Unit.
*2. Refer to 1-4 Support Software on page 1-13 for information on Support Software.
1 Features and System Configuration
1-9
NX-series System Units User's Manual (W523)
1-2 System Configuration
1
1-2-3 System Configuration in the Case of a Communication Control Unit
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