Product Overview

The ABB PM862 3BSE076357R1 is a high-performance process controller from ABB’s AC 800M series, designed for industrial automation and process control applications. It serves as a central processing unit (CPU) in complex control systems, offering robust computational power, redundancy support, and seamless integration with ABB’s automation ecosystem (e.g., System 800xA). It is widely used in industries such as power generation, oil and gas, chemical plants, and water treatment.

Key Technical Specifications

Hardware Specifications

• Processor:
  • Multi-core processor architecture for high-speed execution.
  • Clock Speed: Optimized for real-time control tasks.
• Memory:
  • RAM: 128 MB (expandable via external memory).
  • Flash Memory: 512 MB for firmware and application storage.
• Communication Interfaces:
  • Ethernet: Dual 10/100 Mbps ports for network redundancy and integration.
  • Serial Ports: RS-232/RS-485 for legacy device connectivity.
  • Fieldbus Support: PROFIBUS DP, Modbus TCP/RTU, and CANopen.
  • Redundancy: Supports hot-swappable redundancy via CEX-bus.
• I/O Capabilities:
  • Compatible with ABB’s S800 I/O modules for digital, analog, and specialty signals.
  • Supports up to 256,000 I/O points (system-wide, depending on configuration).
• Power Supply:
  • Voltage: 24 V DC (18–32 V DC range).
  • Power Consumption: ~8 W (typical).
• Environmental Ratings:
  • Operating Temperature: -25°C to +70°C.
  • Humidity: 5–95% (non-condensing).
  • Certifications: CE, UL, ATEX (for hazardous environments).

Software & Programming

• Programming Standards:
  • Compliant with IEC 61131-3 (supports ladder logic, structured text, function block diagrams).
• Runtime Environment:
  • Real-time operating system (RTOS) for deterministic control.
  • Supports cyclic and event-driven tasks.
• Integration:
  • Compatible with ABB’s Control Builder M engineering tool.
  • Seamless integration with System 800xA for plant-wide automation.

Key Functionalities

1. High Availability & Redundancy

   • Redundant CPU Configuration: Dual PM862 controllers can operate in hot standby mode for fault tolerance.
   • CEX-bus Communication: Enables synchronized data exchange between redundant units.

2. Scalable Control Performance

   • Handles complex control strategies (e.g., PID loops, sequence control, batch processing).
   • Supports multi-variable control and advanced algorithms.

3. Cybersecurity Features

   • Role-based access control.
   • Secure communication protocols (e.g., HTTPS, VPN).

4. Diagnostics & Maintenance

   • Built-in self-diagnostics and health monitoring.
   • Event logging and traceability for troubleshooting.

5. Flexible Communication

   • Connects to SCADA, MES, and ERP systems via OPC UA, MQTT, or REST API.

   • Supports legacy field devices through serial or fieldbus protocols.

   
   

Applications

• Process Industries: Continuous process control in refineries, chemical plants, and pulp/paper mills.
• Power Generation: Turbine control, grid synchronization, and load management.
• Water/Wastewater: Pump control, filtration, and distribution systems.
• Discrete Manufacturing: Assembly line automation and robotics integration.

Ordering Information

• Model: PM862
• ABB Order Code: 3BSE076357R1
• Accessories:
  • Redundancy kits (e.g., CEX-bus modules).
  • Power supply modules (e.g., SD822).
  • Communication interface cards.

Certifications & Compliance

• Standards: IEC 61131, IEEE 802.3 (Ethernet), RoHS.
• Safety: SIL 2/3 certification for safety-critical applications (when configured appropriately).

Documentation & Support

• Configuration and programming require ABB Control Builder M software.
• Refer to the PM862 Hardware Manual (3BSE076357R1) for installation guidelines.