(A) EtherNet/IP Unit
(I) Communications cable
Ethernet cables
(F) EDS files
EtherNet/IP port
(G) Network Configurator
CPU Rack
Ethernet switch
(E) CIP Safety on EtherNet/IP device
(H) Support Software
(B) NX-series Communication Control Unit
NX-CSG320
(D) End Cover
(C) NX Units
• Safety CPU Unit
• Safety I/O Unit
• Other NX Units
Let-
ter
Item Description
(A) EtherNet/IP Unit The EtherNet/IP Unit manages the EtherNet/IP network, monitors the status
of slaves, and exchanges I/O data with the slaves.
The types of EtherNet/IP Units are listed below.
• CJ1W
-EIP21
• Built-in EtherNet/IP port on a CPU Unit
Refer to descriptions of the Support Software required to construct a network
in the user’s manual for your EtherNet/IP Unit for information on the Support
Software to configure the EtherNet/IP Unit.
(B) Communication Control
Unit
The Communication Control Unit has built-in EtherNet/IP ports and relays CIP
Safety communications between the Safety CPU Unit and CIP Safety on
EtherNet/IP devices. It also performs tag data link communications with
standard controllers.
1 Features and System Configuration
1-8
NX-series System Units User's Manual (W523)
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