ABB 1MRK002133-ABr02

Description

Product Overview ABB 1MRK002133-ABr02

Technical Parameters ABB 1MRK002133-ABr02

• Device type: Module for communication between protective relays and control networks, supporting modern industrial protocols.
• Communication parameters:
  • Supported protocols: IEC 61850 (MMS, GOOSE), Modbus TCP/IP, SNMP;
  • Data transfer rate: 10/100 Mbit/s (auto-negotiation);
  • Interfaces: 2 Ethernet ports (RJ45) with support for ring topologies;
  • Data buffer: 1 MB for temporary storage of event data.
• Electrical characteristics:
  • Power supply: 24 V DC ±15% or 110/220 V DC/AC ±10%;
  • Power consumption: ≤15 W;
  • Insulation: 2 kV AC (between Ethernet interfaces and power supply, 1 minute);
  • Protection: ESD (Electrostatic Discharge) protection, short-circuit protection, electromagnetic interference resistance (compliant with EN 61000-4).
• Mechanical parameters:
  • Mounting type: Plug-in module for protective relay cabinets or standalone DIN rail mounting;
  • Dimensions: 120 × 80 × 40 mm (width × height × depth);
  • Weight: ≈200 g;
  • Housing material: Metal with anti-corrosion coating;
  • Protection class: IP20 (for enclosed installations);
  • Operating temperature range: -25 °C to +70 °C.
• Functional features:
  • Time synchronization: NTP (Network Time Protocol) support with 1 ms accuracy;
  • Diagnostics: LED indicators for network status, power, and faults;
  • Security: SSL/TLS encryption for data protection;
  • Logging: Internal memory for event recording (communication failures, updates, etc.), up to 1000 entries.

Advantages and Features ABB 1MRK002133-ABr02

• IEC 61850 compatibility: The IEC 61850 protocol enables unified communication in power systems, critical for integrating diverse devices in substations (e.g., protective relays, energy meters, and automation systems).
• Redundancy: Two Ethernet ports support ring topologies with automatic connection recovery in case of segment failure, ensuring uninterrupted communication in large facilities (e.g., urban substations).
• Wide power supply range: Operates from 24 V DC to 220 V AC, making it versatile for various power conditions, including remote substations with unstable power supplies.
• Data security: SSL/TLS encryption prevents unauthorized access, crucial for data protection in critical power system infrastructure.

Application Cases ABB 1MRK002133-ABr02

1. Power grid substations: Communication between protective relays and SCADA systems — the module transmits grid status data (current, voltage, faults) to central servers, enabling rapid fault response.
2. Thermal power plants: Auxiliary network control — ABB 1MRK002133-ABr02 processes signals from transformer protection relays, synchronizing them with the plant’s control system.
3. Urban power grids: Distribution network monitoring — the module collects data from relays at distribution points and transmits it to control centers for optimized grid operation.

Comparison with Competitors

Selection Recommendations and Precautions

Selection Recommendations

• Power facilities: For substations, power plants, and urban grids, ABB 1MRK002133-ABr02 supports IEC 61850, enabling efficient integration with modern control systems.
• High-reliability scenarios: In critical networks (e.g., urban power grids), its redundant Ethernet ports prevent communication downtime.
• Compatibility with ABB relays: When paired with ABB protective relays like REF615/REL650, it ensures optimal performance and minimal latency.

Precautions

• Wiring: Use double-shielded industrial Ethernet cables (CAT 6) to reduce electromagnetic interference in substations.
• Grounding: Ensure unified grounding for all network devices to avoid signal interference from potential differences.
• Firmware updates: Only install official firmware updates via the web interface — unauthorized versions may disrupt protocol operation.
• Testing: Periodically test ring topologies (if used) by simulating segment failures to verify automatic recovery.
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  ABB 1MRK002133-ABr02