POWER
PORT2
EtherNet/IP
LAN
Slave Terminal
Servo Drives / Encoder
input slaves
General-purpose slaves
Support Software
EtherCAT
NX Units
Built-in EtherNet/IP port 1
Built-in EtherNet/IP port 2
Built-in EtherCAT port
NX Unit
configuration
CPU RackCPU Rack
EtherCAT Network
configuration
NX-series NX502
CPU Unit
NX-series NX502
CPU Unit
X Bus Unit
configuration
X Bus UnitsX Bus Units
Network Configurations
• Host computers, HMIs, and other NJ/NX-series Controllers or field network devices are connected
to the built-in EtherNet/IP port 2 on the CPU Unit.
• A DeviceNet network is connected to a CJ-series DeviceNet Unit mounted to the NJ-series CPU
Unit.
• A serial communications network is connected to the following Units.
NX-series Communications Interface Unit
CJ-series Serial Communications Unit
1 Introduction to NX-series Controllers
1-7
NX-series NX502 CPU Unit Hardware User's Manual (W629)
1-1 The NX-series Controller
1
1-1-2 Introduction to the System Configurations
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