ABB 1MRK002246-BD Relion 670 Communication Interface Module

Product Description

Overview

The 1MRK002246-BD is a dedicated Communication Interface Module for the ABB Relion 670 series, including RED670, REG670, and RES670 IEDs. This module provides high-speed, low-latency data transfer between protection devices and substation networks, ensuring reliable operation for time-critical applications. It supports both optical fiber and galvanic Ethernet connections, making it suitable for harsh substation environments.

Technical Features

High-Speed Communication

• Supports fast GOOSE messaging with sub-3ms latency

• Microsecond-accurate time synchronization via IEEE 1588 (PTP) or IRIG-B

• Handles sampled values for real-time protection and control

Redundancy and Reliability

• Parallel Redundancy Protocol (PRP) and High-availability Seamless Redundancy (HSR)

• Maintains continuous data flow during network failures

Environmental Performance

• Operating temperature: -25°C to +55°C (short-term up to +70°C)

• High immunity to EMI and electrostatic discharge per IEC 60255

• Designed for substation-level electrical noise and surge protection

Platform Compatibility

• Fully integrated with ABB Relion 670 chassis

• Hot-swappable design for maintenance without system downtime

• Supports multi-protocol communication including IEC 61850-8-1, IEC 61850-9-2, DNP 3.0, and IEC 60870-5-103

16-Channel Analog Input Capability

In addition to communication functions, the module interfaces with analog inputs for monitoring purposes:

• 16 universal channels for voltage, current, or resistance measurements

• Input ranges: 0–10V, 0–20mA, 4–20mA, 0–50mV

• Resolution: 16-bit

• Accuracy: ±0.05% of reading

• Sampling rate: up to 100 samples per second per channel

• Fully isolated inputs for safe measurement

• Power supply: 24VDC

• Environmental ratings: Operating -20°C to +60°C, Storage -40°C to +80°C, Humidity 0–95% RH

• Protection: IP20

Applications

• Substation automation and control

• Real-time protection communication between IEDs

• Monitoring of critical analog process signals

• Integration into IEC 61850-compliant network systems

FAQ

Q: Can this module handle multiple communication protocols simultaneously?
A: Yes, it manages multiple stacks without impacting the main CPU performance.

Q: Is hot-swapping supported?
A: Yes, modules can be replaced without shutting down the IED.

Q: Which network media are supported?
A: Optical fiber via SFP modules and galvanic Ethernet ports.