1-1-2
Introduction to the System Configurations
The NX-series Controller NX502 supports the following system configurations.
Basic System Configurations
The NX-series Controller NX502 basic configurations include the EtherCAT network configuration, NX
Unit configuration, X Bus Unit configuration, and the Support Software.
• EtherCA
T Network Configuration
You can use the built-in EtherCAT port on the CPU Unit to connect to EtherCAT Slave Terminals, to
general-purpose slaves for analog and digital I/O, and to Servo Drives and encoder input slaves. An
EtherCAT network configuration enables precise sequence and motion control in a fixed cycle with
very little deviation.
• X Bus Unit Configuration
The CPU Unit can be connected with X Bus Units including EtherNet/IP Units.
• NX Unit configuration
The CPU Unit can be connected with up to 63 NX Units (NX-££££££) including NX-series Digi-
tal I/O Units, Analog I/O Units, and other I/O Units. These NX Units can be flexibly combined with
the CPU Unit and configure a CPU Rack to support various applications.
• Support Software
You can connect the Support Software through an Ethernet cable that is connected to the built-in
EtherNet/IP port 1 or 2 in the CPU Unit.
Refer to 3-6-2 Connection on page 3-18 for details on the connection configuration of the Support
Software.
1 Introduction to NX-series Controllers
1-6
NX-series NX502 CPU Unit Hardware User's Manual (W629)
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