Wiring The Servo Drive Power Supply; Laying Ethercat Communications Cables - Omron NJ Series Startup Manual

2 Before You Begin
2-3-2

Wiring the Servo Drive Power Supply

Wire the main circuit power supply and the control power supply to the Servo Drives.
AC power
supply
2-3-3

Laying EtherCAT Communications Cables

Connect the EtherCAT slave communications cables between the built-in EtherCAT port on the CPU
Unit and the EtherCAT slaves as shown in the following figure.
Connect the communications cable from the built-in EtherCAT port to the input port on the first slave,
and then connect the communications cable to the next slave to the output port on the first slave.
Do not connect anything to the output port of the slave at the end of the network.
Power Supply Unit
Built-in EtherCAT port
First Servo Drive
2-6
Main power
supply
Control
power supply
CPU Unit
Second Servo Drive
ADR
Servo Drive
Connector IN port for
EtherCAT communications
Connector OUT port for
EtherCAT communications
NJ-series Startup Guide for Motion Control (W514)