Omron NX-ECC203 EtherCAT Coupler Unit

The NX-ECC203 is a high-performance EtherCAT coupler unit for Omron’s NX-series distributed I/O systems. Designed to connect NX I/O units to an EtherCAT network, it supports cycle times as fast as 125 µs, enabling real-time performance in motion and machine control applications. With support for up to 63 NX I/O units and a maximum I/O current of 10 A, this coupler provides exceptional scalability and reliability.

The unit features two EtherCAT communication ports and screwless push-in terminals for fast, tool-free wiring. It is delivered complete with an end cover, ensuring easy integration into control panels or DIN-rail assemblies.

Technical Specifications

Model: Omron ECC203
Product Type: EtherCAT Coupler Unit
System Compatibility: NX-series I/O Bus
Communication Type: EtherCAT Slave
Number of Communication Ports: 2 × RJ45
Max. I/O Units Supported: 63
Max. I/O Current Capacity: 10 A
Cycle Time: 125 µs (minimum task cycle)
Supplied Accessories: End cover (included)

Electrical Specifications

• Power Supply Voltage (I/O Power): 24 VDC (supplied externally)
• Power Supply Voltage (Internal Bus): 5 VDC (supplied via coupler)
• Max. Current for I/O Power Supply: 10 A
• Max. Current for Internal Circuit Supply: 2 A
• Internal Current Consumption: Approx. 0.50 A (5 VDC via EtherCAT)

Communication Specifications

• Communication Interface: EtherCAT
• Connector Type: 2 × RJ45 (100Base-TX)
• Protocols Supported: EtherCAT distributed clock, CoE (CANopen over EtherCAT)
• Topology: Line or ring
• Data Exchange Method: Cyclic (real-time)
• IO-Link Support: Not supported on this model

NX-ECC203 Mechanical Specifications

• Mounting Type: DIN-rail
• Dimensions (H × W × D): 100 × 46 × 80 mm
• Weight: 250 g
• I/O Terminal Type: Screwless push-in connector
• Module Type: Modular NX-series housing
• Degree of Protection: IP20 (when panel mounted)

Environmental Conditions

• Operating Temperature: 0 to 55°C
• Storage Temperature: –25 to 70°C
• Relative Humidity: 10% to 95% RH (non-condensing)
• Vibration Resistance: IEC 60068-2-6 compliant
• Shock Resistance: IEC 60068-2-27 compliant
• Altitude: Up to 2,000 m

Key Features & Benefits

✅ Fast Cycle Time. Supports EtherCAT communication with task cycles as low as 125 µs.

✅ High Scalability. Connects up to 63 NX I/O units with a total of 10 A current capacity.

✅ Dual RJ45 Ports. Easy daisy-chaining and network topology management.

✅ Tool-Free Wiring. Screwless push-in terminals for rapid installation and maintenance.

✅ Compact Footprint. Ideal for distributed I/O in high-performance machine systems.

📦 Available Now from Drive Outlet Megastore

The Omron NX-ECC203 is the perfect EtherCAT coupler for fast, scalable I/O integration in Sysmac automation environments. Designed for engineers who demand speed, simplicity, and high reliability, this unit ensures seamless performance across EtherCAT networks.

Request a quote or contact our team for real-time availability and expert guidance.

Fast integration. High precision. Built for EtherCAT. – Drive Outlet Megastore