ABB PM866AK01 (3BSE076939R1) DCS System Core Controller

Product Overview

ABB PM866AK01, part number 3BSE076939R1, acts as the core controller for ABB AC800M and System 800xA DCS platforms. Powered by industrial-grade PowerPC processor, this module undertakes logic operation, data processing, task scheduling and overall system control. Featuring high operational stability, complete redundancy design and rich communication resources, it is widely deployed in large-scale process industries, delivering dependable support for 24-hour continuous operation of DCS systems.

Key Features

1. DCS Core Control Performance As the central processing unit of DCS system, it efficiently runs complex control strategies, interlock logic and data acquisition tasks. It supports multi-task parallel execution and short control cycle, fully meeting the high real-time and high-precision requirements of industrial process control.
2. Full Redundancy Design It supports full redundancy of CPU, bus, network and on-site I/O modules. The seamless switchover time is less than 10 ms, which effectively avoids system paralysis caused by single-point failure and greatly improves the overall availability of DCS systems.
3. Diversified Communication Interfaces Equipped with dual redundant Ethernet ports and two RS-232C serial ports. It is compatible with multiple mainstream industrial protocols, realizing stable data interaction between DCS controller, HMI, remote stations and third-party equipment, with flexible networking capability.
4. Industrial Grade Reliability & Certifications IP20 protection class, stable working in the temperature range of 0°C ~ +60°C. It resists vibration, impact and electromagnetic interference on industrial sites, and holds CE, UL, IEC 61131-2 and ISA Secure certifications to ensure safe and compliant operation.
5. Easy Installation & System Compatibility Standard DIN rail mounting enables quick installation and replacement. It is fully matched with ABB professional engineering software, facilitating program configuration, online debugging, fault diagnosis and daily maintenance, and perfectly compatible with the complete set of AC800M DCS modules.

Technical Specifications

表格

Item	Specification
Model	PM866AK01
Part Number	3BSE076939R1
Product Type	DCS System Core Controller
Applicable Platform	ABB AC800M, System 800xA DCS
Processor	Industrial PowerPC
Ethernet	2 × RJ45 (Redundant Network)
Serial Port	2 × RS-232C
Redundancy Function	Full redundancy, Switchover ≤ 10 ms
Power Supply	24 V DC
Protection Class	IP20
Operating Temperature	0°C ~ +60°C
Relative Humidity	5% ~ 95% (Non-condensing)
Main Certifications	CE, UL, IEC 61131-2, ISA Secure

Application Fields

• Power industry: Thermal power, hydropower and combined cycle power plant DCS control system
• Chemical & Petrochemical: Process control for chemical, oil and gas production facilities
• Metallurgy: DCS system for steel rolling, galvanizing and pickling lines
• Pulp & Paper: Whole-process automation control for papermaking enterprises
• Environmental Protection: Automatic control of water supply, drainage and sewage treatment projects

Product Advantages

This DCS core controller integrates strong computing power, high safety, complete redundancy and excellent expandability. It is the preferred core component for new construction, renovation, expansion and spare parts replacement of ABB DCS systems, ensuring long-term stable, efficient and safe operation of industrial automation projects.