Overview

The ABB PM803F Controller (Product ID: 3BDH000530R1) is a CPU base unit designed for the AC800F Freelance Distributed Control System (DCS). As the core unit of the system, the PM803F is responsible for executing complex control programs and managing communication with field devices and higher-level systems. It features 16 MB of SDRAM, providing enhanced memory capacity compared to earlier models, such as the PM802F, and allows for larger automation applications.

Designed to seamlessly integrate with ABB’s Freelance engineering tools, the PM803F supports efficient configuration, diagnostics, and system expansion. It is particularly suitable for use in process industries such as chemical, paper, steel, and energy, where reliable and scalable control systems are essential.

The PM803F supports up to six communication slots and one power slot, making it versatile in connecting with various field devices and other control system components. It is also equipped with automatic error detection and error correction (EDC) features, enhancing its reliability in industrial settings.

Technical Data

Key Features

• Larger Memory Capacity: Equipped with 16 MB of SDRAM and battery-buffered RAM for increased memory capacity compared to earlier models like the PM802F, enabling larger and more complex automation tasks.

• Flexible Communication: Offers six communication slots and one power slot (E1/E2, F1–F4), allowing flexible integration with various field devices and communication modules.

• Automatic Error Detection and Correction (EDC): Includes an EDC unit to automatically detect and correct errors, ensuring reliability in demanding industrial environments.

• Scalable and Modular Design: The modular structure supports system expansion and integration with ABB’s Freelance DCS tools, allowing for scalable control systems.

• Improved Performance: The PM803F has slightly lower performance (5-10% below PM802F) but compensates with enhanced memory and error correction features, making it ideal for process control in industrial settings.

Typical Applications

• Process Automation: Widely used in industries like chemical, paper, steel, and energy for managing complex processes and ensuring reliable system operation.

• Freelance DCS Systems: Provides the central CPU for Freelance Distributed Control Systems, offering scalable CPU performance for a range of applications.

• Industrial Plants: Ensures reliable communication with multiple field devices and enhances process automation systems for continuous control.

• Retrofit Projects: Replaces older PM802F units in legacy systems, offering better memory, error correction, and system scalability with the PM803F controller.

• Global Installations: Suited for use in global installations, where robust memory and error detection are critical for continuous, uninterrupted operation.

FAQ

Q1: What is the ABB PM803F used for?
A1: The PM803F is the CPU base unit for the AC800F Freelance DCS, executing control programs and managing communication between the control system and field devices.

Q2: How does it differ from the PM802F?
A2: The PM803F offers larger memory (16 MB SDRAM), better error correction, and improved scalability, but has slightly lower performance (5-10%) compared to the PM802F.

Q3: How many communication slots are available?
A3: The PM803F provides six communication slots and one power slot (E1/E2, F1–F4), offering flexible integration with different communication modules.

Q4: What industries typically use the PM803F?
A4: It is widely used in chemical, paper, steel, and energy industries for process automation and control.

Q5: Does the PM803F include an operating system?
A5: No, the operating system is loaded during the software installation process, making it customizable for different control system applications.