1SAP130100R0100 PM571 ABB Bailey

The ABB Bailey Processor Module, such as the Multifunction Processor IMMFP12 or IMMFP02 series, serves as the main processing engine within the ABB Bailey INFI 90 and Network 90 Distributed Control System platforms. Designed for critical, continuous industrial processes, this module executes complex continuous control, sequential logic, batch operations, and advanced mathematical algorithms. It handles high-speed data execution, processes field input signals, runs Function Code programming algorithms, and coordinates seamlessly with slave I/O modules, operator consoles, and communication interfaces across the Process Control Unit rack.

Product Parameters

Core Processor: 32-bit microprocessor operating at high clock frequency

System Memory: Up to 512 KB ROM, 512 KB RAM, and 256 KB NVRAM for non-volatile parameter storage

Power Supply Requirements: +5 VDC at 2.0 Amps, typical power dissipation of 10 Watts

Serial Communication Interfaces: Configurable RS-232-C and RS-485 serial channels with baud rates up to 19.2 kbaud

Redundant Bus Interface: Built-in 1 Mbaud high-speed redundant serial link for dual-module hot-standby configurations

Station Network Support: Communicates with up to 64 serial operator stations

Programming Language Support: Function Code, Ladder Logic, C, BASIC, and Batch languages

Mounting Configuration: Single-slot form factor for standard INFI 90 / Network 90 Module Mounting Units

Operating Temperature Range: 0°C to 70°C (32°F to 158°F)

Relative Humidity Handling: 5% to 95% non-condensing up to 55°C

Dimensions: Approximately 17.8 cm height by 3.6 cm width by 29.8 cm depth

Certifications: CSA certified for general industrial locations and Factory Mutual approved for Class I, Division 2 hazardous locations

Product Advantages

Determinism and Real-Time Control: Delivers predictable execution times for analog control loops and high-speed digital logic, preventing control delay in sensitive process environments.

Seamless Hot Redundancy: Supports automatic bumpless transfer to a secondary backup processor module upon hardware or logic fault detection, maintaining unbroken plant operations.

Robust Industrial Build: Engineered with high-grade components resistant to electrical noise, wide thermal variations, and mechanical vibration common in heavy manufacturing plants.

Flexible Multi-Language Programming: Allows control engineers to implement complex control strategies using custom C routines alongside standardized Function Block Diagrams.

Backward and Forward Compatibility: Fits into existing legacy Bailey chassis while communicating with modern ABB Evolution bridges and upgraded Human-Machine Interfaces.

Precautions and Safety Guidelines

Avoid Electromagnetic Interference: Keep portable radio transmitters and high-power wireless communication devices at least 2 meters away from the open controller rack.

Electrostatic Discharge Protection: Always wear a grounded wrist strap when handling or removing the module to prevent damage to sensitive CMOS circuitry.

Atmospheric Environment Control: Ensure the installation cabinet maintains a non-corrosive air environment free of conductive dust, moisture condensation, or airborne chemical contaminants.

Proper Chassis Grounding: Verify that the chassis frame ground and system DC ground meet manufacturer grounding specifications to prevent ground loops and communication signal loss.

Power Down Procedures: Turn off power or follow verified live-swapping procedures for the specific backplane version before removing or inserting the processor board to avoid bus disturbance.

Product Applications

Power Generation Facilities: Manages utility-scale boiler control, burner management logic, steam turbine governors, and balance-of-plant automation.

Petrochemical and Refining Plants: Regulates continuous distillation columns, chemical reactor temperature loops, and safety shutdown interlocks.

Pulp and Paper Manufacturing: Controls multi-variable speed drives, continuous digesters, chemical recovery boilers, and paper machine drying sections.

Metallurgy and Mining Operations: Automates blast furnace feeding systems, continuous casting lines, and ore flotation processing.

Municipal Water and Wastewater: Handles wide-area distributed PID control loops, chemical dosing routines, and high-volume pump filtration networks.