ABB 1MRK000173-BEr01 Binary Input/Output Module

The ABB 1MRK000173-BEr01 is a robust Binary Input/Output (I/O) Module designed for use in protection and control systems, primarily within substations and industrial automation environments. This module is part of ABB’s proven Relion® series, offering flexible and scalable I/O capabilities for modern power distribution systems.

The 1MRK000173-BEr01 module serves as a vital interface between digital control systems and physical field devices such as circuit breakers, relays, switches, and sensors. Its reliable operation ensures precise signal acquisition and control command execution, critical for maintaining system integrity, fault detection, and process automation.

ABB’s I/O modules are known for their quality construction, high immunity to electromagnetic interference, and compliance with stringent industry standards. This particular model is widely used in combination with ABB protection relays such as the 630/650/670 series, delivering reliable performance in high-voltage and medium-voltage power systems.

Technical Specifications

Applications

The 1MRK000173-BEr01 is widely used in critical infrastructure and industrial sectors, especially where high-performance signal monitoring and control are essential. Typical applications include:

• Substation Automation Systems

  Interfaces with switchgear and protection relays for event detection, signaling, and tripping.

• Power Distribution Networks

  Coordinates input from circuit breakers, isolators, and switch commands in MV/HV systems.

• Renewable Energy Plants

  Facilitates communication and protection in wind and solar power stations.

• Industrial Automation

  Integrates into control cabinets of steel plants, paper mills, or refineries for input/output control.

• Railway Electrification

  Used in control panels for traction substations and railway signal control.

• Grid Monitoring & SCADA Systems

  Forms part of SCADA field interfaces for data acquisition and system-wide control.

Product Advantages

• Highly Reliable Operation

  Engineered for 24/7 continuous use in high-voltage and industrial environments.

• Flexible Configuration

  Supports customizable input and output logic for a wide range of applications.

• Fast Response Time

  Input changes are detected and acted upon within milliseconds, critical for protection systems.

• Robust Electromagnetic Immunity

  Compliant with IEC 60255 and IEEE standards for interference protection.

• Easy Integration with ABB Relays

  Seamlessly works with ABB’s 650/670 protection relays and control systems.

• Compact, Modular Design

  Fits neatly into control cabinets with space-saving modular form factor.

• Long Product Life Cycle

  Proven ABB quality and availability of long-term support make it a sound investment.

• Low Maintenance Needs

  Requires minimal upkeep, making it ideal for remote and unattended substations.

Frequently Asked Questions (FAQ)

1. What is the main purpose of the 1MRK000173-BEr01 module?

It serves as a digital interface between physical devices (like breakers or switches) and control or protection relays, sending and receiving binary signals.

2. Can I use this module with non-ABB relay systems?

While it is optimized for ABB systems, it can be integrated with other equipment if electrical compatibility and communication parameters are met.

3. What types of input signals are supported?

The module supports dry and wet contact signals within 24–250 VDC range, with optical isolation for safe input signal handling.

4. Are the output relays NO (normally open) or NC (normally closed)?

Both types can be configured depending on the control logic and relay type used.

5. How is this I/O module powered?

It operates on a wide DC voltage range (24–250 VDC), ensuring flexibility across installations.

6. Is this module hot-swappable?

No, power should be turned off before installing or replacing the module to avoid electrical damage.

7. How do I know if an input has been triggered?

ABB relay systems provide real-time monitoring through LEDs or SCADA feedback, and some setups support event logging.

8. What makes this module suitable for substations?

Its compliance with IEC/IEEE standards, wide temperature range, and EMI immunity make it reliable in harsh substations.

9. Can this module be mounted in small panels or enclosures?

Yes, despite its powerful performance, it has a compact form that fits into standard 19” racks or compact control panels.

10. How long does the ABB 1MRK000173-BEr01 typically last?

With proper conditions, it can operate for over 10–15 years without major failures.