ABB PM866AK02 3BSE081637R1 AC 800M Redundant Processor Unit Kit

Description

The PM866AK02 3BSE081637R1 is a high-performance processor for large-scale distributed control systems (DCS). This redundant kit includes the processor module and baseplate for dual-controller operation. With a 32-bit RISC processor and 64 MB of RAM, it manages thousands of I/O points and complex control strategies. It features redundancy ports for real-time data mirroring, ensuring bumpless transfer during failures. Dual Ethernet interfaces support redundant network paths, and the ModuleBus enables high-speed synchronization with local S800 I/O clusters. Its fanless, rugged design ensures thermal stability in demanding industries like oil and gas, power generation, and chemical processing.

Specifications

• Manufacturer: ABB

• Series: AC 800M

• Model Number: PM866AK02

• Order Number: 3BSE081637R1

• Product Type: Redundant Processor Unit Kit

• Microprocessor: 32-bit RISC (96 MHz)

• Onboard RAM: 64 MB

• Flash Memory: 8 MB

• Dimensions: 186 mm x 119 mm x 135 mm

• Weight: 1.35 kg

• Interfaces: 2x RJ45 Ethernet, 2x RS-232, 1x ModuleBus, Redundancy Link

• Nominal Voltage: 24 V DC (19.2 - 30 V DC)

• Mounting: 35mm Standard DIN rail

• Protection Class: IP20

Features

• High-Capacity Memory: Features 64 MB of RAM to handle the most complex application programs and extensive historical data buffering without performance degradation.

• Bumpless Redundancy: Supports fully synchronized processor pairs, enabling instantaneous failover to the standby unit to prevent process interruptions.

• Rapid Logic Execution: Optimized for high-speed calculation of advanced regulatory control and intricate discrete logic sequences.

• Network Availability: Integrated dual Ethernet ports facilitate redundant communication paths for secure data exchange with supervisory stations.

• Efficient I/O Synchronization: The high-speed ModuleBus interface provides a deterministic link for real-time updates from local S800 I/O hardware.

• Industrial-Grade Reliability: Engineered with passive cooling and high electromagnetic compatibility to ensure stable performance in harsh electrical environments.