AI820-eA 3BSE008544R2 ABB Bailey

AI820-eA 3BSE008544R2 ABB Bailey Central Control Unit

Product  Description：

• • A Central Control Unit (CCU) in the ABB Bailey context, often a high-performance processor module like the BRC-100 (Bailey Remote Controller) or the Multi Function Controller Module (NMFC02), is the brain of a distributed control system. It receives input from various field devices via I/O modules, processes this information according to programmed strategies, and then sends output commands to actuators to control the process. These units are built to operate continuously in demanding industrial environments, ensuring process stability and safety.

     

    Key Functions

     

    • Control Logic Execution: Running sophisticated control algorithms, including PID loops, sequential logic, and advanced control strategies.

    • Data Acquisition and Processing: Collecting, filtering, and processing data from thousands of input points across the plant.

    • Communication Management: Facilitating data exchange between I/O modules, other controllers, operator workstations (HMIs), and higher-level plant management systems.

    • Alarm and Event Management: Detecting and processing alarms, logging events, and enabling timely operator intervention.

    • Redundancy Management: Many CCUs support redundant configurations (e.g., hot standby) to ensure continuous operation and high availability in case of a module failure.

    • Diagnostic Capabilities: Performing self-diagnostics to identify and report internal faults.

     

    Product Parameters (Typical)

     

    Since ABB Bailey has a long history and various generations of control systems, parameters can vary. Here are typical examples:

    • Processor Type: Often a custom-designed, high-performance microprocessor (e.g., 32-bit processors with clock speeds around 32 MHz for older BRC models).

    • Memory: Various types of memory for program storage (Flash ROM for operating system and function codes), data storage, and strategy execution (RAM). Memory capacity can vary significantly.

    • I/O Capacity: While the CCU itself doesn't have direct field I/O, it dictates the maximum number of I/O points it can manage through connected I/O modules.

    • Communication Interfaces: Typically includes proprietary communication buses (e.g., Hnet, Module Bus, CS31 bus, INFI-NET) and increasingly industrial Ethernet (Modbus TCP/IP, OPC UA) for integration.

    • Power Requirements: Operates on standard industrial control voltages (e.g., 24 VDC, 120/240 VAC through power supplies).

    • Operating Temperature: Designed for industrial environments, typically -20°C to +70°C or similar wide ranges.

    • Form Factor: Module-based, designed to fit into specific module mounting units (racks).

    • Redundancy Options: Support for 1:1 redundancy (primary and backup modules) with bumpless transfer.

     

    Product Advantages

     

    • High Reliability and Availability: Critical for continuous process operation. Redundant configurations and robust design minimize downtime.

    • Scalability: Allows for system expansion, from small processes to complex plant-wide automation.

    • Proven Technology: Decades of field experience in critical applications ensure robust and well-understood performance.

    • Comprehensive Control Capabilities: Supports a wide array of control algorithms, from basic regulatory control to advanced process control (APC).

    • Integrated Architecture: Designed to work as part of a unified DCS, providing centralized control, monitoring, and data management.

    • Backward Compatibility: Modern ABB control systems (like Symphony Plus) often offer backward compatibility, allowing for phased upgrades and protection of existing investments.

     

    Precautions

     

    • Compatibility: Always verify the specific model's compatibility with your existing ABB Bailey system (rack type, I/O modules, communication modules, and software versions).

    • Environmental Conditions: Ensure the operating environment meets the specified temperature, humidity, and vibration limits. Overheating or excessive moisture can cause failure.

    • Electrostatic Discharge (ESD): Handle modules with proper ESD precautions (e.g., wrist straps, anti-static mats) to prevent damage to sensitive electronic components.

    • Firmware and Software Versions: Ensure that the firmware on the CCU and the associated engineering software versions are compatible to avoid operational issues or unexpected behavior.

    • Power Integrity: Provide a stable and clean power supply. Fluctuations or noise can impact module performance.

    • Proper Grounding: Ensure all system components are correctly grounded to minimize electrical noise and enhance safety.

    • Qualified Personnel: Installation, configuration, and maintenance should only be performed by personnel trained and qualified in ABB Bailey control systems.

    • Redundancy Management: If using redundant CCUs, ensure proper configuration and testing of the failover mechanisms to guarantee seamless operation during a primary module failure.

     

    Product Applications

     

    ABB Bailey Central Control Units are extensively used in industries requiring high-performance, reliable, and integrated process control. Their applications include:

    • Power Generation: Control of boilers, turbines, generators, and balance-of-plant operations in thermal, hydro, and nuclear power plants.

    • Oil and Gas: Automation of upstream (production), midstream (pipelines, terminals), and downstream (refining, petrochemical) processes.

    • Pulp and Paper: Control of paper machines, digesters, recovery boilers, and other critical processes.

    • Chemical and Pharmaceutical: Precision control of batch and continuous processes, reactor control, and safety interlock systems.

    • Water and Wastewater Management: Automation of pumping stations, filtration plants, and treatment processes.

    • Metals and Mining: Control of rolling mills, furnaces, and material handling systems.

     

    Typical Applications

     

    • Managing the entire control strategy for a large power plant boiler, optimizing combustion and steam generation.

    • Coordinating complex distillation columns in a refinery, ensuring precise product separation and quality.

    • Controlling the various stages of a chemical reaction, including temperature, pressure, and flow, while managing safety interlocks.

    • Supervising the automated operation of a paper machine, from stock preparation to winding.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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