1. General Information

• Manufacturer: ABB (Switzerland)

• Model Number: PM866K01

• Part Number: 3BSE050198R1

• Product Name: High Performance Processor Unit Kit

• Series: AC 800M DCS Control System

• Module Type: Redundant CPU Main Controller Module

• Application: Core processing unit for power plant, chemical, petrochemical and heavy industrial DCS system; executes logic control, analog calculation, interlock protection and data communication; supports dual redundant hot backup configuration.

• Installation Rule: Installed in controller rack, mandatory main slot position

• Compliance: CE, IEC 61508, SIL2 Industrial Safety Certification

2. Functional Description

• Processor Core: High-speed Dual-core RISC Processor

• Control Logic: Sequential control, analog regulation, interlock protection

• Redundancy Function: Dual CPU hot redundant seamless switching

• Task Cycle: Minimum 10ms high-speed scanning cycle

• Expandability: Supports thousands of remote I/O point expansion

3. Electrical Specifications

• Power Supply: 24 VDC ±20% Industrial DC Power

• Power Consumption: ≤ 18 W typical

• Onboard Memory: 128 MB RAM + 64 MB Flash Memory

• Communication Port: 1×Ethernet + 2×RS232 Serial Interface

• Industrial Protocol: Modbus TCP/IP, Profibus DP, FTP, OPC

• Isolation Voltage: 1500 VAC electrical isolation protection

4. Environmental Specifications

• Operating Temperature: -20 °C ~ +70 °C (-4 °F ~ +158 °F)

• Storage Temperature: -40 °C ~ +85 °C (-40 °F ~ +185 °F)

• Relative Humidity: 5% ~ 95% (Non-condensing)

• Anti-vibration: Compliant with IEC 60068 industrial vibration standard

5. Mechanical Specifications

• Structure: Compact metal coated controller module

• Dimensions (H × W × D): 220 × 95 × 105 mm

• Weight: Approximately 0.85 kg

• Mounting: Standard ABB rack rail installation, hot-swap capable

6. Compatible Devices

• System Rack: AC800M Standard Controller Rack

• Matched Module: SB822 Power Module, TB820 Terminal Base

• Upper Software: ABB Control Builder M Programming Software

7. Key Features

• Dual-core high-performance processor for complex industrial logic operation

• Built-in large-capacity memory for program storage and data cache

• Complete redundant configuration to ensure uninterrupted system operation

• Multiple industrial communication protocols for interconnection with third-party equipment

• SIL2 safety certification for critical thermal power and chemical process control

8. Core Definition (Most Important)

• PM866K01: DCS Main CPU, AC800M mid-high end controller.

• Application Scenario: Boiler, turbine, chemical reactor main control cabinet.

• Core Advantage: Redundancy + High stability + Long-term industrial operation.