Omron NX-ECC201 User Manual

5 Designing the Power Supply System
5 - 2
NX-series EtherCAT Coupler Unit User’s Manual (W519)
5-1 Power Supply System and Design
Concepts
This section describes the power supply system for an EtherCAT Slave Terminal and the design con-
cepts.
An example of a power supply system configuration diagram for an EtherCAT Slave Terminal is shown
below.
There are the following two types of power supplies that supply power to the EtherCAT Slave Terminal.
5-1-1 Power Supply System and Types of Power Supplies
Power Supply System Configuration Diagram
Power Supply Types
Power supply
type
Description
Unit power sup-
ply
This power supply is required to generate the NX Unit power, which is necessary for the
EtherCAT Slave Terminal to operate.
This power supply is connected to the Unit power supply terminals on the EtherCAT Coupler
Unit.
The internal power supply circuit in the EtherCAT Coupler Unit generates the NX Unit power
supply from the Unit power supply.
The internal circuits of the EtherCAT Coupler Unit and of the NX Units operate on the NX Unit
power supply.
The NX Unit power is supplied to the NX Units in the Slave Terminal through the NX bus con-
nectors.
NX bus
End Cover
NX Units
NX bus connector
NX Unit power supply
EtherCAT Coupler Unit
Unit power supply terminals
I/O power supply terminals
Terminal blocks
Input terminals or I/O power
supply terminals (example for
Digital Input Unit)
To external
devices
Internal
circuits
Internal
circuits
Internal
circuits
Internal
circuits
Internal
circuits
Internal
circuits
Unit power
supply
(24 VDC)
I/O power
supply
(e.g., 24 VDC)
Internal
power
supply
circuit

Omron NX-ECC201 Specifications

General

Brand	Omron
Model	NX-ECC201
Category	Controller
Language	English