ABB PM866K01 (3BSE050198R1) High-Performance Processor Unit for AC800M DCS System

ABB PM866K01 with part code 3BSE050198R1 is a high-end central processor module belonging to ABB AC800M programmable automation controller series, 

serving as the core computing brain for System 800xA distributed control system. It executes real-time closed-loop PID regulation, sequential interlock logic, 

advanced process control algorithms, field I/O data collection and calculation, and data interaction management between local rack I/O modules and upper HMI/SCADA platforms.

Adopting dual-core industrial processor architecture with large-capacity onboard memory, it supports large-scale point-count control and complex multi-loop computing tasks. 

It is compatible with redundant master-standby configuration with ultra-fast automatic failover, effectively eliminating single-point failure risk for critical production processes.

 Equipped with multi-channel communication ports and supporting mainstream industrial fieldbus protocols, it realizes seamless interconnection with remote I/O stations, 

variable frequency drives, third-party PLC and intelligent field instruments. It is a core maintenance spare part for system commissioning, renovation, fault replacement and 

inventory backup in petrochemical, power, metallurgy and other process industries.

Technical Specifications

Part Number: PM866K01, Material Code: 3BSE050198R1

Manufacturer: ABB, Origin: Sweden

CPU Core: Dual-core ARM Cortex-A9, main frequency 800MHz

System RAM: 2GB DDR4

Onboard Storage: 4GB eMMC flash memory, supports external SD card expansion

Programming Standard: IEC 61131-3 (ST, LD, FBD, IL, SFC)

Engineering Software: Compact Control Builder

Onboard Interfaces

2× Independent Ethernet ports (support RNRP redundant network protocol)

2× RS232/RS485 configurable serial ports

Integrated PROFIBUS DP communication interface

Max Control Capacity: Supports up to 10000 I/O tags

Redundancy Switchover Time: ≤50ms for master/standby CPU pair

Power Supply: 24VDC ±10% rack power supply

Power Consumption: Typical 5.0W

Installation Mode: Standard DIN rail rack plug-in installation

Overall Dimension: 239mm × 80mm × 35mm

Net Weight: Approx. 0.42kg

Operating Temperature: -20℃ ~ +60℃

Humidity: 5%–95% Non-Condensing

Protection Class: IP20 (Cabinet internal installation)

EMC Compliance: EN 61000-6-2, EN 61000-6-4 industrial standard

Certifications: CE, UL508

Key Features

Dual-core high-speed processing architecture, powerful operation capability to handle complex advanced control algorithms and large-volume process real-time calculation.

Complete CPU redundant hot-backup function, rapid automatic switching without program interruption, ensuring uninterrupted operation of critical production loops.

Built-in multi-protocol communication design, compatible with Modbus TCP/RTU, PROFIBUS DP, Ethernet/IP, RNRP redundant network and other mainstream industrial communication modes.

Front panel LED status indicators for power, running, fault, communication link, facilitating on-site rapid fault diagnosis and troubleshooting.

Hot-swap supported design, allowing online module replacement without system shutdown to reduce production maintenance downtime.

Modular expansion architecture, freely matched with digital/analog I/O modules, communication modules and safety modules to flexibly expand system scale.

Industrial-grade anti-interference circuit design, stable long-term operation under strong electromagnetic environment inside control cabinets.

Native matching with ABB System 800xA platform, convenient for centralized management, remote monitoring and whole plant automation integration.