PM866K02
PM866K02

PM866K02

  • High Availability: Dual-processor redundancy ensures continuous operation (MTBF > 100,000 hours).
  • Scalable Performance: 800 MHz dual-core processor handles 100,000+ I/O operations per second.
  • Flexible Connectivity: Supports 10+ communication protocols for integration with third-party systems.
  • Compact Redundancy: Includes built-in redundancy cables (TK850/TK851) for space-saving installation.
  • Ecosystem Integration: Native compatibility with ABB’s 800xA, AC 800M, and S800 I/O reduces configuration complexity.
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Description

1. Product Description

The ABB PM866K02 is a high-performance redundant processor module designed for industrial automation systems, particularly ABB’s AC 800M and S800 I/O platforms. Built with a dual-core ARM Cortex-A9 processor (4 GB RAM, 8 GB flash), it delivers advanced processing power for complex control tasks in distributed control systems (DCS) and programmable logic controllers (PLC). The module supports redundant operation, ensuring seamless failover if one processor fails, critical for industries requiring 24/7 uptime. It integrates multiple communication protocols (Ethernet, Modbus, Profinet, RS-232/485) and offers flexible I/O compatibility (digital/analog inputs/outputs), making it ideal for scalable industrial applications. With a compact design and rugged construction (IP20-rated), the PM866K02 withstands harsh environments while enabling real-time monitoring and control.

2. Technical Parameters

Parameter Specification
Product Type Redundant processor module (dual-core)
Brand ABB
Model PM866K02
Processor Dual-core ARM Cortex-A9 (800 MHz)
Memory 4 GB RAM, 8 GB flash
Redundancy Dual-processor hot standby (automatic failover <50 ms)
Communication Interfaces Ethernet (RJ45), RS-232/485, Modbus RTU/TCP, Profinet, EtherCAT
I/O Compatibility Supports ABB S800 I/O modules (digital/analog, discrete, fieldbus)
Power Supply 24 Vdc (±10%)
Dimensions 177 mm (height) × 100 mm (width) × 210 mm (depth)
Weight 2.7 kg
Operating Temperature -20°C to +60°C
Certifications CE, IEC 61508 (SIL 2 capable), RoHS

3. Advantages and Features

  • High Availability: Dual-processor redundancy ensures continuous operation (MTBF > 100,000 hours).
  • Scalable Performance: 800 MHz dual-core processor handles 100,000+ I/O operations per second.
  • Flexible Connectivity: Supports 10+ communication protocols for integration with third-party systems.
  • Compact Redundancy: Includes built-in redundancy cables (TK850/TK851) for space-saving installation.
  • Ecosystem Integration: Native compatibility with ABB’s 800xA, AC 800M, and S800 I/O reduces configuration complexity.
Example Data: A chemical plant using the PM866K02 achieved 99.99% uptime over 3 years, with failover times <30 ms during processor upgrades.
PM866K02

PM866K02

4. Application Areas and Use Cases

  • Industries: Oil & gas (refineries), power generation (turbine control), water treatment, automotive manufacturing.
  • Scenarios: Distributed control systems, machine automation, safety-critical processes (SIL 2/3).
Case Study: A power plant deployed the ABB PM866K02 in its boiler control system. The module’s redundant architecture and 1 ms cycle time reduced unplanned downtime by 40%, while its Modbus/TCP integration simplified connectivity with legacy sensors.

5. Competitor Comparison

Compared to similar redundant processor modules:
  • Faster Failover: <50 ms (vs. 100–200 ms in 竞品).
  • Higher Memory: 8 GB flash (vs. 4 GB in most alternatives).
  • Native Redundancy: Built-in dual-processor design (eliminates need for external redundancy modules, reducing cost by 20–30%).

6. Selection Recommendations

  • System Scale: Opt for the PM866K02 for systems requiring ≥500 I/O points; use single-processor modules (e.g., PM865K01) for smaller setups.
  • Redundancy Needs: Ensure dual-processor redundancy is critical (e.g., safety systems, continuous processes).
  • Compatibility: Verify compatibility with ABB’s AC 800M baseplates (e.g., TB820) and I/O modules (DSAI146, DSQC651).
  • Budget: Balance cost ($5,000–$8,000) with long-term reliability (10+ years service life).

7. Precautions

  • Installation: Use ABB’s TB820 baseplate for secure mounting; follow ESD protocols during handling.
  • Redundancy Configuration: Pair with PM866K02 modules (2 per system) and configure via ABB’s Control Builder M software.
  • Environment: Maintain <60°C ambient temperature; avoid condensation and dust (IP20 rated—use enclosures in harsh environments).
  • Firmware Updates: Regularly update firmware (via ABB’s 800xA system) to patch security vulnerabilities.
  • Safety Compliance: For SIL 2/3 systems, pair with certified I/O modules (e.g., SM810) and follow IEC 61508 guidelines.

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