ABB PM803F Base Unit

Description

Technical Specifications

• Product Type: Controller Base Unit / Central Processing Unit (CPU)ABB Group
• Compatible System: ABB AC 800F (Freelance) Distributed Control System
• Processor: 32-bit RISC processor (Freescale PowerQUICC III 8360)
• Memory:
  • 16 MB battery-buffered RAM (for application programs and data buffering)ABB Group
  • 8 MB Flash memory (for firmware and persistent data storage)
• Module Slots: 8 expansion slots for I/O, communication, and function modules
• Communication Interfaces:
  • 2 x Ethernet ports
  • 1 x RS-232 serial port
  • 1 x RS-485 serial port
  • Supports fieldbus modules (PROFIBUS DP, FOUNDATION Fieldbus, Modbus) via expansion
• Supported Protocols:
  • Modbus RTU/TCP
  • PROFIBUS DP
  • Ethernet/IP
  • FOUNDATION Fieldbus
• Power Supply: 24 V DC
• Physical Dimensions:
  • Width: 239 mmABB Group
  • Height: 202 mmABB Group
  • Depth/Length: 164 mmABB Group
• Weight: 1.6 kg (net)ABB Group
• Operating Temperature: 0°C to +55°C
• Environmental: Industrial-grade, designed for vibration resistance and continuous operation
• Special Interface: Equipped with Contact Ledge RW 855FABB Group
• Performance Note: Performance is 5–10% below the obsolete PM802F modelABB Group

Key Functional Features

• Modular & Flexible Design
  • Open architecture supports easy installation of various expansion modules (digital I/O, analog I/O, communication, specialty function).
  • Enables customized system configuration to match specific application requirements and scale with project needs.
  • Hot-swappable module capability for maintenance without full system shutdown.
• High Reliability & Availability
  • Redundancy support: Operates in 1:1 redundant configuration with a second PM803F unit for zero downtime.
  • Battery-backed RAM: Preserves critical application data and program logic during power failuresABB Group.
  • Industrial-grade components ensure continuous operation in harsh plant environments.
  • Built-in self-diagnostic functions for proactive system health monitoring and fault detection.
• Superior Real-Time Performance
  • High-speed 32-bit RISC processor delivers deterministic, low-latency control execution.
  • Configurable control cycle times (scan rates) from 10 ms to 10 seconds.
  • Supports up to 12,000 I/O points per controller for large-scale process applications.
• Extensive Communication Capabilities
  • Multi-protocol support ensures seamless integration with legacy and third-party field devices.
  • Dual Ethernet ports provide network redundancy and connection to SCADA, MES, or enterprise systems.
  • Versatile serial ports for connection to HMIs, drives, or other serial-based equipment.
• Ease of Engineering & Maintenance
  • Compatible with ABB’s Control Builder F engineering tool for intuitive programming, configuration, and debugging.
  • Supports online program changes and firmware updates without halting the process.
  • Standardized mounting and wiring for simplified installation and field service.

Application Scenarios

• Oil & Gas:
  • Refinery process control
  • Offshore platform automation
  • Pipeline monitoring and shutdown systems
  • Gas turbine/compressor control
• Chemical & Petrochemical:
  • Batch process control and recipe management
  • Reactor control
  • Distillation column control
  • Safety instrumented functions (SIF)
• Power Generation:
  • Thermal power plant boiler/turbine control
  • Combined cycle power plant automation
  • Grid stability and load control
• Water & Wastewater:
  • Water treatment plant process control
  • Pumping station automation
  • Multi-loop regulatory control with advanced alarming
• Pharmaceuticals & Biotechnology:
  • GMP-compliant process control
  • Clean utility systems
  • Fermentation and purification processes
• Metals & Mining:
  • Smelting process control
  • Material handling automation
  • Rolling mill control
• Food & Beverage:
  • Packaging line control
  • Batch mixing and pasteurization
  • Hygienic process automation
• Cement & Building Materials:
  • Kiln and raw mill control
  • Packaging and palletizing systems