PM865K01 3BSE031151R1

Description

1. Product Description

2. Product Parameters

Parameter	Specification
Model	PM865K01 3BSE031151R1
Brand	ABB
Processor	MPC862P, 96 MHz
Memory	32 MB RAM (application), 1 GB flash (data storage)
Power Supply	24 V DC (19.2–30 V DC), 210 mA typical
Redundancy	Hot standby (1+1), switchover time ≤10 ms
Communication	2x Ethernet (RJ-45, 10/100 Mbit/s); 2x Serial (RS-232/RS-485, isolated)
Safety Certification	SIL 2/3 (TÜV), IEC 61508 compliant
I/O Compatibility	S800 I/O high-integrity modules (e.g., PM866A, PM891)
Operating System	VxWorks real-time OS
Dimensions	135 mm (depth) × 186 mm (height) × 119 mm (width)
Weight	1.2 kg
Temperature Range	-20°C to +60°C (operating); -40°C to +85°C (storage)

ABB PM865K01 3BSE031151R1

3. Advantages and Features

• Safety Compliance: SIL 3 certification (via SM81x modules) ensures reliability in hazardous environments, reducing risk by 99% in critical processes.
• Redundancy Architecture: Dual CPU support with automatic failover (≤10 ms) and redundant communication ports (Ethernet/serial) for 99.99% system availability.
• High Performance: 96 MHz processor with 1 ms cycle time for complex control algorithms (e.g., turbine speed regulation, chemical reactor monitoring).
• Flexible Integration: Compatible with ABB’s 800xA Control Builder and open protocols (MMS, Modbus), enabling integration with non-ABB systems.
• Compact Design: Conformal-coated circuitry resists dust, moisture, and vibration, suitable for harsh industrial settings.

4. Application Areas and Use Cases

• Industries: Oil and gas (refineries, offshore platforms), power generation (nuclear, thermal), pharmaceuticals, and water treatment.
• Use Case:
  Offshore Platform Safety System: The PM865K01 3BSE031151R1 controls emergency shutdown (ESD) systems with SIL 3 certification. Its redundant CPU pairs and fast cycle times (1 ms) ensure instantaneous response to leaks or overpressures, minimizing downtime and environmental risk.

5. Competitor Comparison

• Higher Safety Rating: SIL 3 certification (vs. SIL 2 in many alternatives) for life-critical applications.
• Faster Redundancy: 10 ms switchover (vs. 15–20 ms in 竞品), reducing process interruptions.
• Modular Scalability: Supports S800 I/O high-integrity modules (vs. proprietary I/O in 竞品), lowering upgrade costs.
  

  ABB PM865K01 3BSE031151R1

6. Selection Recommendations

• Safety Requirements: Choose SIL 3 configuration (with SM811 module) for hazardous processes; SIL 2 for non-life-critical systems.
• Redundancy Needs: Opt for 1+1 redundancy for continuous operations; single CPU for cost-sensitive projects.
• Compatibility: Verify integration with AC800M racks, S800 I/O, and 800xA software.
• Environment: Ensure operating temperature (-20°C to +60°C) matches site conditions; consider conformal coating for corrosive environments.

7. Precautions

• Installation: Follow ESD protocols; secure mounting to prevent vibration damage.
• Power Stability: Use a filtered 24 V DC supply (19.2–30 V DC) to avoid voltage fluctuations.
• Firmware Management: Regularly update firmware via ABB’s Service Tool to maintain safety certifications.
• Redundancy Testing: Conduct quarterly failover tests to validate CPU and battery health (lithium battery for real-time clock backup).