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Product Overview
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
| Parameter | Description |
|---|---|
| Model Number | 1MRK002266-AAr02 |
| Brand | ABB |
| Product Type | Binary Input/Output Module |
| Input Channels | 6 Binary Inputs |
| Output Channels | 6 Binary Outputs |
| Input Voltage Range | 24 VDC / 48 VDC / 110 VDC (Selectable) |
| Input Type | Dry contact / DC voltage |
| Output Type | Relay output (Form A contacts) |
| Contact Rating | 2 A @ 250 VAC / 2 A @ 30 VDC |
| Isolation Voltage | 2 kV RMS between field and control circuits |
| Response Time | < 5 ms |
| Communication Protocols | IEC 61850, Modbus, IEC 60870-5-103 |
| LED Indicators | Yes (per channel) |
| Diagnostics | Integrated self-test and alarm indicators |
| Mounting Method | DIN Rail / Panel Mount |
| Operating Temperature | -25°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Protection Class | IP20 |
| Housing Material | Flame-retardant ABS/polycarbonate |
| Compliance | CE, RoHS, UL, IEC |
| Dimensions (L × W × H) | 230 x 130 x 30 mm |
| Weight | 0.2 kg |
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.
FAQs (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.
Related Models (Same Series or Function)
| Model | Description | Input Channels | Output Channels | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1MRK002246-BB | Binary I/O for substation integration | 8 | 8 | 310 x 250 x 30 | 0.5 |
| 1MRK002245-BA | Compact I/O with diagnostics | 6 | 6 | 310 x 250 x 30 | 0.48 |
| 1MRK001984-AA | Binary Input Module with enhanced filtering | 12 | 0 | 310 x 250 x 30 | 0.5 |
| 1MRK002250-AA | Galvanically isolated I/O module | 8 | 8 | 310 x 250 x 30 | 0.52 |
| 1MRK002235-AA | Mechanical relay binary output module | 0 | 8 | 310 x 250 x 30 | 0.5 |
| 1MRK002261-AA | High-speed binary input interface | 16 | 0 | 310 x 250 x 30 | 0.48 |
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