ABB 3BSE018157R1 PM861AK01
ABB 3BSE018157R1 PM861AK01
ABB 3BSE018157R1 PM861AK01
ABB 3BSE018157R1 PM861AK01
ABB 3BSE018157R1 PM861AK01

ABB 3BSE018157R1 PM861AK01 | AC 800M High Performance Controller

  • Brand:​ ABB
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    Model:​ PM861AK01 (Order Code: 3BSE018157R1)
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    Product Type:​ Process Controller (CPU Module)
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    Series:​ AC 800M
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    Core Function:​ Serves as the high-performance central processing unit for ABB’s System 800xA distributed control system (DCS), executing complex control strategies and managing system communications.
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    Key Specs:​ Dual-core processor, 1.5 GHz, 1GB RAM, redundant operation support.
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Part number: ABB 3BSE018157R1 PM861AK01
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Description

PM861AK01: Product Overview
The PM861AK01 is a high-performance controller module within ABB’s AC 800M series, designed specifically for System 800xA distributed control system (DCS) applications. This module functions as the computational core of the control system, executing regulatory control algorithms, sequence logic, advanced process optimization strategies, and safety instrumented functions. Installed in an AC 800M baseplate, the PM861AK01 manages all controller operations, including scanning I/O modules via various fieldbus networks, executing application programs, handling communication with operator stations, and interfacing with higher-level systems.
The controller operates as part of a modular system architecture where it coordinates with other modules in the controller chassis, including communication interfaces, power supply units, and co-processor modules. It runs the control application program developed with ABB’s Control Builder engineering tool, processing real-time data from field devices and executing control commands with deterministic performance. The controller’s design focuses on high availability, cybersecurity, and seamless integration for continuous process operations in demanding industrial environments.

ABB 3BSE018157R1 PM861AK01

ABB 3BSE018157R1 PM861AK01

PM861AK01: Technical Specifications
  • ••
    Model Number:​ PM861AK01
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    Order Number:​ 3BSE018157R1
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    Manufacturer:​ ABB
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    Product Type:​ Process Controller (CPU)
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    Processor:​ Dual-core, 1.5 GHz
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    Memory:​ 1GB RAM for application program and data
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    Battery Backup:​ For memory retention during power loss
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    Communication Ports:​ 2x Ethernet ports (for system and plant network)
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    Fieldbus Support:​ PROFIBUS DP, PROFINET, Modbus TCP, IEC 61850
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    Redundancy:​ Supports 1:1 redundancy (requires a second PM861AK01 controller)
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    Power Supply:​ 24V DC via power supply module
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    Operating Temperature:​ 0°C to 60°C
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    Relative Humidity:​ 5% to 95% non-condensing
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    Certifications:​ cULus, ATEX, IECEx, CE

    ABB 3BSE018157R1 PM861AK01

    ABB 3BSE018157R1 PM861AK01

Core Features & Customer Value
The dual-core processor architecture provides substantial computational power for complex control strategies including multi-variable predictive control, complex sequential operations, and custom calculations. For process engineers, this enables implementation of sophisticated control schemes that improve process stability, product quality, and energy utilization. The deterministic scan time ensures consistent control loop execution, which is critical for maintaining process variables within tight tolerances in continuous process industries.
Integrated support for multiple fieldbus protocols allows the controller to communicate with a wide range of field devices and remote I/O stations. This flexibility enables integration of diverse equipment into a unified control strategy, reducing system complexity and lifecycle costs. The controller’s high availability features, including 1:1 redundancy support and hot-swap capability, ensure continuous operation even during maintenance activities or component failures.
Typical Applications
In oil and gas production facilities, the PM861AK01 controls complex processes such as gas compression, crude oil separation, and chemical injection systems. The controller manages safety instrumented functions (SIFs) while optimizing production throughput and ensuring compliance with safety standards.
In pharmaceutical manufacturing, the controller executes batch recipes for drug substance production, providing precise control of temperature, pressure, and flow parameters while maintaining comprehensive electronic batch records for regulatory compliance.

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