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Description
Technical Specifications
| Parameter Name | Value |
|---|---|
| Product Model | 1MRK000167-GBR00 |
| Manufacturer | ABB |
| Product Type | Internal Control / Processing PC Board |
| Processor | 32-bit ARM Cortex-M4 / RISC microcontroller (40–200 MHz class) |
| Memory | 64 MB–128 MB Flash; 64 MB–128 MB RAM (configuration-dependent) |
| Supply Voltage | 12V DC or 24V DC (derived from host device backplane; ±10%) |
| Isolation Voltage | ≥1.5 kV AC; 2.5 kV AC channel-to-backplane |
| Signal Resolution | 16-bit ADC with ±0.1% full-scale accuracy |
| Communication Interfaces | Internal backplane bus, RS-485 (service/Modbus), CAN, Ethernet |
| Supported Protocols | Modbus RTU/TCP, PROFIBUS, Profinet, ABB proprietary protocols |
| Protection Features | Overvoltage, overcurrent, overtemperature, watchdog timer |
| Operating Temperature | -40°C to +85°C (industrial grade) |
| Storage Temperature | -55°C to +125°C |
| Dimensions (approx.) | 100–175 mm × 90–110 mm × 20–55 mm (host-dependent) |
| Weight (approx.) | 0.2–0.45 kg (varies by revision) |
| Certifications | CE, UL, SIL2 (as part of host equipment assembly) |
Main Features and Advantages
Integrated Real-Time Control and Protection Engine
The ABB 1MRK000167-GBR00 operates as the computational heart of the host device, running deterministic firmware cycles synchronized to the power-stage sampling clock . This architecture ensures sub-cycle response critical for arc-flash mitigation or fast drive current limiting, with a 16-bit resolution and ±0.1% accuracy that make the ABB 1MRK000167-GBR00 ideal for signal-sensitive process control applications . The onboard 32-bit processor executes complex protection algorithms (distance, differential, overcurrent) or PID regulation, delivering performance far exceeding simple I/O boards.
Non-Volatile Configuration Preservation
A key advantage of the ABB 1MRK000167-GBR00 is its ability to store application-specific settings—protection curves, pickup values, and communication parameters—in separate Flash/EEPROM partitions . This design allows the board to be swapped without re-entering configuration data, dramatically reducing Mean Time to Repair (MTTR) during emergency outages . When a replacement ABB 1MRK000167-GBR00 is plugged in, the host device boots and resumes normal operation with all existing settings intact, preserving commissioned application logic and minimizing the risk of configuration errors .
Robust Isolation and Industrial-Grade Design
Engineered for harsh electrical environments, the ABB 1MRK000167-GBR00 provides channel-to-backplane isolation up to 2.5kV AC, protecting sensitive controller electronics from ground loops, voltage transients, and surge events common in power plants and substations . The board incorporates multi-layer self-diagnostics at power-up—including checksum verification of firmware, RAM write/read tests, and watchdog timer validation—that detect anomalies before the host unit goes online . The ABB 1MRK000167-GBR00 also meets CE and UL standards and is built with conformal-coated options for operation in humid or corrosive environments .
Versatile Communication and System Integration
The ABB 1MRK000167-GBR00 supports multiple communication interfaces including RS-232/485, CAN, and Ethernet, enabling seamless integration with existing automation infrastructure . Its compatibility with Modbus RTU, PROFIBUS, Profinet, and ABB proprietary protocols allows the ABB 1MRK000167-GBR00 to interface with both legacy equipment and modern IEC 61850 station bus networks, making it a flexible solution for system upgrades and retrofits .
