System Configuration; System Configuration In The Case Of A Cpu Unit - Omron NX-ID User Manual

1 Features and System Configuration
1-2

System Configuration

NX Unit NX-series Digital I/O Units can be connected to the following Units.
• NX-series CPU Unit
• NX-series Communications Coupler Unit
The following explains the system configuration for each NX Unit connection destination.
1-2-1

System Configuration in the Case of a CPU Unit

The following figure shows a system configuration when a group of NX Units is connected to an
NX-series CPU Unit.
You can connect the EtherCAT Slave Terminal to the built-in EtherCAT port on the CPU Unit. Refer to
1-2-2 System Configuration of Slave Terminals on page 1-5 for details on the system configuration of a
Slave Terminal.
(D) Support Software
Sysmac Studio
Connect to built-in
EtherNet/IP port
Sym-
bol
(A) NX-series CPU Unit
(B) NX Units
1 - 4
Built-in EtherCAT port
EtherCAT
Item
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.
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 maximum
of eight NX Units can be connected to an NX1P2 CPU Unit.
● CPU Rack
(A) NX-series CPU Unit
NX1P2-
(B) NX Units
EtherCAT Slave Terminal
NX Units
EtherCAT Coupler Unit
Description
NX-series Digital I/O Unit User's Manual (W521)
(C) End Cover