ABB PM866A 3BSE076359R1 is a high-performance processor unit for ABB AC800M and System 800xA DCS platform, supporting redundant control, dual Ethernet ports, suitable for heavy industrial process automation control.

Product Overview

The ABB PM866A 3BSE076359R1 is a core processor controller module of ABB AC800M series under System 800xA DCS platform. It executes real-time control logic, data processing and communication management for distributed control system. Built with PowerPC processor, it supports redundant CPU configuration to guarantee high system availability. It connects S800 I/O modules via CEX bus, widely deployed in continuous process control for various heavy industrial sites.

Key Features

• High-performance PowerPC industrial processor for AC800M DCS platform
• Supports CPU redundancy to achieve fault-tolerant control
• Dual Ethernet ports for control network communication
• Isolated serial COM port for local configuration and debugging
• CEX bus interface for communication module and I/O expansion
• Compliant with IEC 61131-3 international programming standard
• DIN rail slide & lock mounting for easy installation
• LED status indicators for quick fault diagnosis

• Industrial hardware design, stable operation in harsh factory environment

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Technical Specifications

• Brand: ABB
• Model: PM866A
• Part No: 3BSE076359R1
• Platform: AC800M / System 800xA
• Processor: 32-bit PowerPC
• Power supply: 24VDC
• Communication: Dual Ethernet, Isolated COM port, CEX bus
• I/O system: Compatible with S800 I/O series
• Programming standard: IEC 61131-3
• Mounting: DIN rail mount

• Certification: CE, UL, RoHS

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Compatibility & Application

Compatible with ABB AC800M rack, S800 I/O modules, CEX bus communication units and System 800xA engineering software. Widely used in power plant, oil & gas, chemical, pulp and paper, metallurgy and other continuous industrial process control projects.