ABB PM866AK01 (3BSE076939R1) Original PLC CPU Unit

Product Overview

The ABB PM866AK01 with part number 3BSE076939R1 is an original ABB CPU unit designed for AC800M PLC and DCS systems. As the core processing module, it adopts high-performance MPC866 processor to deliver outstanding computing capability and stable real-time control performance. Fully compliant with ABB original manufacturing standards, it features complete compatibility, reliable operation and long service life, widely deployed in industrial automation projects across power, chemical, metallurgy, papermaking and other sectors.

Key Features

1. Genuine ABB Original Quality Strictly manufactured in accordance with ABB global production specifications, complete product traceability and official factory warranty. Perfect matching with AC800M series systems and related I/O modules, no compatibility risks.
2. Powerful Processing Performance Equipped with 133 MHz MPC866 processor and 64 MB built-in memory. Fast logic execution speed ensures efficient running of complex control programs, supporting multiple tasks and large-scale application programming.
3. Full Redundancy Design for High Availability Supports complete CPU, bus and I/O redundancy function with switching time less than 10 ms. Equipped with dual Ethernet ports for redundant network connection, effectively avoiding system shutdown caused by single point failure, guaranteeing 24/7 continuous operation.
4. Rich Communication Interfaces Comes with dual RJ45 Ethernet ports and two RS-232C serial ports. Supports mainstream industrial communication protocols, enabling seamless data interaction with upper computer, DCS and third-party automation equipment.
5. Industrial Grade Durability IP20 protection grade, stable operation within 0°C ~ +60°C. Passed EMC electromagnetic compatibility test and multiple industrial certifications, resistant to vibration, interference and harsh on-site environments.
6. Easy Installation & Configuration Standard DIN rail mounting structure for quick installation and replacement. Compatible with ABB Control Builder configuration software, convenient for program downloading, debugging and system maintenance.

Technical Specifications

表格

Item	Specification
Model	PM866AK01
Part Number	3BSE076939R1
Type	PLC CPU Unit
Processor	MPC866, 133 MHz
Onboard Memory	64 MB SDRAM + Flash
Ethernet Port	2 x RJ45 (10 Mbps, Redundant)
Serial Port	2 x RS-232C
Redundancy Function	Supported, Switchover ≤ 10 ms
Power Supply	24 V DC
Protection Class	IP20
Operating Temperature	0°C ~ +60°C
Relative Humidity	5% ~ 95% (Non-condensing)
Certification	CE, UL, IEC 61131-2

Application Fields

• Power industry: Thermal power, hydropower and combined cycle power plant automation control
• Process industry: Chemical, oil & gas, pharmaceutical production lines
• Metallurgy industry: Steel rolling, galvanizing and pickling production lines
• Light industry: Pulp, paper and textile manufacturing equipment
• Environmental protection: Water supply and wastewater treatment control systems

Product Advantages

This original ABB CPU unit integrates high performance, high reliability and strong expandability. It is the ideal core control component for upgrading, replacing and newly building AC800M PLC/DCS systems. With stable operation, low failure rate and easy maintenance, it effectively reduces overall operation cost of industrial automation systems.