ABB PM865K01 3BSE031151R1 High-Integrity Safety CPU

  1. Core Hardware
    • Processor: Multi-core (up to 1.2 GHz), identified as PowerPC 604e or Intel Pentium 4 across variants .
    • Memory2 GB RAM (standard), 8 GB Flash storage; lower variants cite 32 MB–512 MB RAM .
    • I/O Capacity: Supports up to 8,000 I/O points and 12× S800 I/O units for modular expansion .
Category:
Description
  1. Physical & Environmental
    • Dimensions: Conflicting reports:
      • 135 mm × 186 mm × 119 mm (most common) .
      • 120 mm × 80 mm × 40 mm or 110 mm × 80 mm × 35 mm (compact variants) .
    • Weight1.2 kg (standard); lightweight versions at 200 g .
    • Operating Temp.-40°C to +85°C (industrial grade); some specify 0°C to +55°C .
    • ProtectionIP20 (basic) to IP65 (ruggedized for harsh environments) .
  2. Power & Interfaces
    • Input Voltage24 V DC (universal); 48 V DC supported in high-power models .
    • Communication Ports:
      • Ethernet (2× RJ45 ports for CN1/CN2 control networks).
      • Serial (RS-232/RS-485 with isolated COM4 for diagnostics).
      • USB, Profibus DP, Modbus TCP .

Functional Features

  1. High-Performance Control
    • Executes complex logic via IEC 61131-3 programming languages (e.g., ladder logic, structured text) .
    • Real-time processing for critical tasks like motion control and robotics .
  2. Redundancy & Safety
    • CPU redundancy for failover during hardware faults .
    • SIL 3 certification (Safety Integrity Level 3) for nuclear, rail signaling, and oil/gas safety systems .
  3. Connectivity & Integration
    • Seamless integration with ABB 800xA/AC 800M DCS platforms .
    • CompactFlash interface for data backup and firmware updates .
  4. Operational Efficiency
    • Fanless design reducing maintenance needs .
    • LED indicators and initialization buttons for rapid diagnostics .

Application Scenarios

Industry Use Cases Key Requirements Addressed
Oil & Gas Offshore platform DP systems, pipeline monitoring, refinery control SIL 3 safety, wide temp. range (-40°C)
Power Generation Turbine control, grid stability management, substation automation High I/O capacity, Ethernet/IP support
Manufacturing Robotic assembly lines, precision welding, pharmaceutical batch processing Real-time control, modular I/O expansion
Infrastructure Building automation (HVAC, lighting), water treatment plants Modbus TCP integration, low power (20W max)
Nuclear & Rail Reactor control systems, railway signaling SIL 3 compliance, redundancy

Critical Data Contradictions & Clarifications

Parameter Conflicting Reports Probable Explanation
Processor 96 MHz PowerPC vs. 1.2 GHz multi-core vs. 1.7 GHz Intel Product revisions (older/newer variants)
Dimensions 135×186×119 mm vs. 110×80×35 mm Full controller vs. compact CPU module
Safety Cert. SIL 3 cited in one source; others omit Specific high-integrity variant
Weight 1.2 kg vs. 200 g Inclusion/exclusion of mounting hardware
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