ABB 1MRK002246-BB Binary I/O Module

The ABB 1MRK002246-BB is a highly reliable binary input/output module, tailored for use in demanding industrial and power automation environments. This module integrates both input and output binary functions in a single unit, allowing it to monitor discrete signals from field devices and simultaneously control actuators such as relays, alarms, and circuit breakers.

It is especially well-suited for substations operating under the IEC 61850 standard and is typically integrated within ABB’s advanced protection and control systems. The compact yet rugged design makes it a practical solution for space-constrained switchgear panels or automation cabinets, while its versatile features provide system integrators and engineers with high configurability and interoperability.

Technical Specifications

Applications

• Substation Control Systems: Ideal for digital substations to manage protection relays and circuit breaker statuses.

• Factory Automation: Ensures reliable control of machinery, alarm systems, and interlock mechanisms.

• Power Generation Facilities: Critical for input/output interfacing with turbine controls, voltage regulators, and field sensors.

• Transport Infrastructure: Integrated into control systems of railway electrification and tunnel safety systems.

• Renewable Energy Sites: Used in solar farms and wind parks to relay digital signals for equipment operation.

• Oil & Gas Processing Plants: Supports hazardous zone control through certified and ruggedized binary channels.

Advantages

• Dual-Function Design: Consolidates input and output channels to save space and simplify wiring.

• Fast Switching: Offers sub-5 ms switching time for time-critical applications.

• High Compatibility: Seamless integration with ABB Relion® and third-party systems using IEC 61850.

• Durability in Harsh Environments: Wide temperature range and rugged housing suitable for field installations.

• Built-in Diagnostics: LED channel indicators and internal self-check functions for quick troubleshooting.

• Scalable Architecture: Can be cascaded with other I/O modules to expand capacity.

• Field Proven Reliability: Trusted in thousands of ABB projects globally in harsh industrial settings.

FAQ(Frequently Asked Questions)

Q1: What types of inputs does the 1MRK002246-BB support?

A1: It supports dry contact or voltage inputs depending on the wiring and system configuration.

Q2: Is this module suitable for outdoor installations?

A2: It has an IP20 rating and should be installed within an enclosure or control panel for outdoor use.

Q3: How many I/O channels are provided?

A3: It includes 8 binary inputs and 8 binary outputs.

Q4: What is the communication protocol supported by this module?

A4: It supports IEC 61850, Modbus, and IEC 60870-5-103.

Q5: Does this unit support hot-swap or live replacement?

A5: No, the module should be de-energized before removal or installation.

Q6: Can the output channels be configured as relays or solid-state switches?

A6: Yes, versions are available with either relay or solid-state outputs.

Q7: What is the response time of the outputs?

A7: Less than 5 milliseconds, suitable for critical switching applications.

Q8: How is diagnostic information displayed?

A8: Through individual LED indicators and internal diagnostic checks.

Q9: Is it compatible with ABB Relion relays?

A9: Absolutely. It’s designed for direct integration into Relion series systems.

Q10: What is the module’s main application domain?

A10: Substation automation, power plant control, and high-reliability industrial applications.