Overview

The ABB 1MRK002311‑AAr06 Optical Ethernet Module is a communication interface card designed for ABB’s Relion® series protection and control IEDs (Intelligent Electronic Devices). It provides fiber-optic Ethernet connectivity, ensuring secure and high-speed communication for digital substations and industrial automation systems.

This module is typically used in IEC 61850-based systems, enabling seamless integration with supervisory control and data acquisition (SCADA) platforms, station bus, and process bus architectures. Its optical interface ensures electrical isolation, immunity to electromagnetic interference (EMI), and long-distance communication capability, making it ideal for harsh utility environments.

Technical Data

Key Features

• Fiber-Optic Ethernet Connectivity: Ensures secure, high-speed communication with excellent EMI immunity and electrical isolation.

• IEC 61850 Support: Fully supports IEC 61850, ideal for integration into digital substations.

• Long-Distance Communication: Enables long-distance data transmission via multi-mode fiber optic cable.

• High Immunity to EMI: The optical interface provides strong resistance to electromagnetic interference (EMI), ensuring reliable operation in electrically noisy environments.

• Compact Plug-In Design: Designed for easy integration into ABB Relion® IEDs, enabling straightforward plug-and-play installation.

• Multiple Communication Protocols: Supports IEC 61850, Modbus TCP, and DNP3 TCP/IP, making it flexible for a variety of systems.

• Rugged and Reliable: Built for harsh environments, operating reliably in temperatures from –40 °C to +70 °C.

Typical Applications

• Digital Substations: Ideal for fiber-optic Ethernet communication in IEC 61850-based digital substations.

• Utility Transmission and Distribution Networks: Provides reliable relay communication across long distances in transmission and distribution systems.

• Industrial Automation Systems: Enables secure and interference-free Ethernet interfaces for industrial automation.

• SCADA Integration: Facilitates SCADA system integration for monitoring and control of substations.

• Retrofit Projects: Perfect for upgrading copper-based Ethernet modules to optical fiber solutions for better performance and reliability.

FAQ

Q1: What is the ABB 1MRK002311‑AAr06 used for?
A1: It provides fiber-optic Ethernet communication for ABB Relion® protection relays in digital substations and industrial systems.

Q2: Which protocols does it support?
A2: It supports IEC 61850, Modbus TCP, and DNP3 TCP/IP communication protocols, making it versatile for different applications.

Q3: Why use optical Ethernet instead of copper?
A3: Optical Ethernet offers electrical isolation, EMI immunity, and longer communication distances, making it ideal for environments prone to electrical interference.

Q4: What devices is it compatible with?
A4: It is designed for ABB Relion® series IEDs, such as REF, RET, REL, and RED relays.

Q5: Is it suitable for harsh environments?
A5: Yes, it operates reliably in harsh environments, with a wide temperature range from –40 °C to +70 °C and strong EMC immunity.