ABB 1MRK002266-AAr02 Binary Input/Output Module

The ABB 1MRK002266-AAr02 is a high-precision binary input/output module specifically engineered for demanding industrial and utility applications. As part of ABB’s substation and automation portfolio, this module combines both binary input and output functions within a single compact form factor. It plays a critical role in systems that require fast, reliable, and electrically isolated digital signal interfacing — such as substation automation, power plant control, and renewable energy management.

Designed for full compliance with IEC 61850 and other open communication protocols, the 1MRK002266-AAr02 ensures effortless interoperability with modern substation protection relays, RTUs, and control systems. The device’s integrated diagnostics, status indicators, and robust construction make it a top-tier solution for mission-critical control and monitoring tasks.

Technical Specifications

Applications

• Substation Automation Systems

  Used in HV and MV substations for monitoring switchgear status and controlling circuit breakers, isolators, and protection relays.

• Renewable Energy Installations

  Integral to digital control panels in solar and wind power plants, ensuring stable control of feeders, inverters, and emergency stop systems.

• Process and Manufacturing Industries

  Interfaces with SCADA and PLC systems to control safety interlocks, alarms, indicator lights, and start/stop sequences in factories.

• Power Plants (Thermal, Hydro, Nuclear)

  Deployed in generator protection schemes, auxiliary service monitoring, and fault annunciation panels.

• Transportation Infrastructure

  Provides binary interface support in rail signaling, tunnel management, airport power systems, and metro station substations.

• Oil and Gas Sector

  Employed in hazardous-area automation panels, offering isolated control over shutdown systems, fire alarms, and emergency switches.

Advantages

• Compact Dual-Functionality

  Saves space and reduces wiring by integrating both input and output functions in one housing.

• Protocol Versatility

  Full support for IEC 61850 and Modbus standards enables flexible integration with multi-vendor systems.

• High Switching Reliability

  Fast switching (<5 ms) ensures timely control in protective and safety-critical applications.

• Channel Diagnostics

  Built-in LED indicators and self-diagnostics per channel enable quick troubleshooting and minimized downtime.

• Wide Voltage Support

  Accepts multiple industry-standard DC voltages for universal compatibility.

• Rugged & Certified

  Industrial-grade materials and compliance with global safety standards ensure long-term dependable service.

FAQ(Frequently Asked Questions)

Q1: What is the main purpose of the ABB 1MRK002266-AAr02 module?

A1: It provides binary signal interfacing — reading input states (e.g., contact closures) and controlling digital outputs like relays or alarms.

Q2: How many I/O channels does this module have?

A2: It has 6 binary input channels and 6 binary output channels.

Q3: Does it support IEC 61850 protocol?

A3: Yes, it is fully compatible with IEC 61850, making it ideal for digital substations.

Q4: What kind of output mechanism does it use?

A4: It uses mechanical relay outputs with Form A (normally open) contacts.

Q5: Can it be used outdoors?

A5: The module has an IP20 rating and should be enclosed within a protective cabinet in outdoor installations.

Q6: What voltages does it support on inputs?

A6: Configurable for 24 VDC, 48 VDC, or 110 VDC input ranges.

Q7: How is fault indication handled?

A7: The module includes built-in self-tests and LED status indicators for each channel.

Q8: Is it hot-swappable?

A8: No, the module must be powered down before removal or replacement.

Q9: What makes it suitable for substations?

A9: Its fast response time, IEC 61850 compatibility, and electrical isolation make it ideal for substations.

Q10: Can I mount it on a DIN rail?

A10: Yes, it is designed for both DIN rail and panel mounting.