ABB PM867K02 3BSE081638R1 | Industrial DCS Main Processor with Redundant Operation
ABB PM867K02 3BSE081638R1 | Industrial DCS Main Processor with Redundant Operation
Brand: ABB
Model: PM867K02
Product Type: Main Processor Module
Series: AC800M Series (ABB Advant Controller 800M)
Core Function: Executes control logic, manages I/O communication, and coordinates distributed control in ABB 800xA DCS; supports redundant operation for high availability.
Manufacturer: ABB Part number: ABB PM867K02 3BSE081638R1
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PM867K02 3BSE081638R1: Product OverviewThe PM867K02 3BSE081638R1 is a main processor module within ABB’s AC800M series, designed for deployment in the 800xA distributed control system (DCS) as the central processing unit for large-scale industrial automation. Its role is to serve as the brain of the control system, executing user-defined control logic, processing data from distributed I/O modules, and coordinating communication between subsystems. For continuous process industries—such as oil refining, chemical manufacturing, and power generation—it ensures deterministic control and high availability, critical for maintaining process stability and safety.Functionally, the module runs control strategies (e.g., PID loops, sequential logic) developed in ABB’s Control Builder M engineering tool, handling up to 64,000 I/O points in redundant configurations. It processes analog (4-20mA, RTD) and digital (dry contact, 24V DC) signals from field devices, converting raw data into actionable control commands (e.g., valve positioning, motor speed adjustment). As part of the AC800M family, it inherits modular scalability, hot-swappable components, and seamless integration with 800xA’s asset management and HMI tools. This platform advantage simplifies system expansion and reduces lifecycle costs by enabling reuse of engineering assets across projects.
ABB PM867K02 3BSE081638R1
PM867K02 3BSE081638R1: Technical Specifications
Model Number: PM867K02 3BSE081638R1
Manufacturer: ABB
Product Type: Main Processor Module
Processor: PowerPC 750FX, 600 MHz
Memory: 512MB RAM, 2GB Flash (user program storage)
I/O Capacity: Up to 64,000 points (distributed via S800 I/O modules)
Operating Temperature: -40°C to +70°C
Power Supply: 24V DC (nominal, 18-32V DC range), redundant inputs supported
Power Consumption: 15W (typical, single processor)
Dimensions: 245mm x 135mm x 115mm (width x height x depth, fits AC800M rack)
Weight: 1.2kg
Certifications: CE, UL, cULus, SIL 3 (IEC 61508, when integrated with safety logic)
Core Features & Customer ValueRedundant Architecture Ensures Continuous Operation: The PM867K02 3BSE081638R1 supports dual-processor active/standby operation with automatic failover in ≤50ms. For engineers managing critical systems like refinery catalytic crackers, this eliminates single-point control failures, preventing unplanned shutdowns that could cost millions in lost production. Maintenance teams can replace a faulty processor without halting the process, as the standby unit maintains control.High-Performance Processing for Complex Logic: The PowerPC 750FX processor (600 MHz) and 512MB RAM enable execution of large, complex control strategies—including advanced process control (APC) algorithms and safety interlocks. In a chemical plant’s polymerization reactor, this allows real-time adjustment of temperature and pressure loops, optimizing yield while maintaining safety margins.Seamless Integration with 800xA Ecosystem: As a native 800xA component, the module integrates with ABB’s asset management, HMI, and historian tools. Engineers configure logic via Control Builder M, monitor performance through 800xA Operator Workplace, and analyze trends in Historian—all within a unified interface. This reduces engineering time by 30% compared to integrating third-party processors.Wide Environmental Tolerance for Harsh Installations: With an operating temperature range of -40°C to +70°C and 5-95% RH non-condensing tolerance, the module withstands outdoor enclosures (e.g., power plant substations) and indoor harsh environments (e.g., steel mill control rooms). Its rugged design minimizes failures due to temperature swings or humidity.Scalability for System Expansion: The AC800M platform allows adding I/O modules (S800 series) or additional processors as process demands grow. For a water treatment plant upgrading its filtration capacity, engineers can expand from 10,000 to 50,000 I/O points by adding racks—no full system redesign
ABB PM867K02 3BSE081638R1
required.
Typical ApplicationsThe PM867K02 3BSE081638R1 is deployed in large-scale DCS environments requiring high availability and processing power. In a petroleum refinery’s crude distillation unit, it acts as the main controller, managing 12,000 I/O points (temperature, pressure, flow) and executing split-range control logic for overhead condensers. Its redundant configuration ensures uptime during peak production periods.At a chemical plant’s ethylene cracker, the module coordinates safety interlocks (e.g., emergency shutdown, flare system activation) and APC loops for furnace temperature optimization. The 800xA integration allows operators to correlate cracker performance with raw material quality in real time.In a coal-fired power plant’s boiler-turbine system, the PM867K02 3BSE081638R1 manages drum level control, soot blower sequencing, and emissions monitoring. Its -40°C cold-start capability supports startup in winter conditions, while SIL 3 certification validates use in safety-critical functions.
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