AI835A-eA 3BSE051306R2 ABB Bailey

AI835A-eA 3BSE051306R2 ABB Bailey Central unit

Product  Description：

• • A central unit in an ABB Bailey DCS is often embodied by a Multi-Function Processor (MFP) module or a Harmony Area Controller (HAC), depending on the specific system generation. These modules are responsible for executing the control logic, managing process data, and interacting with various input/output (I/O) modules and communication networks (like INFI-NET or Controlway). They are designed for continuous, real-time operation in demanding industrial environments, often featuring redundant configurations for enhanced reliability and availability.

     

    Key Functions

     

    • Control Logic Execution: Running the user-defined control programs (function blocks, sequential logic, custom C programs) to automate industrial processes.

    • Data Acquisition and Processing: Collecting data from I/O modules, performing calculations, and converting raw sensor signals into usable process variables.

    • Alarm and Event Management: Detecting alarm conditions, logging events, and initiating appropriate responses (e.g., triggering outputs, sending notifications).

    • Communication Management: Facilitating data exchange with I/O modules, operator workstations (HMIs), engineering tools, and other control systems over dedicated networks.

    • Redundancy Management: In redundant configurations, handling automatic failover to a standby processor in case of a primary module failure, ensuring continuous control.

     

    Product Parameters (Typical)

     

    Parameters can vary significantly between specific module types (e.g., different MFP versions, HAC models). Here are general typical parameters:

    • Processor Type: Specialized industrial processors designed for real-time control.

    • Memory: Dedicated RAM and ROM for program storage, data, and system operation (e.g., 512 kbytes ROM; 512 kbytes RAM for older INNPM12).

    • Processing Speed/Execution Rate: Measured in function block execution rates (e.g., BRC400 provides significantly faster execution than older MFPs).

    • Communication Interfaces:

      • Internal Bus: High-speed parallel bus for communication with I/O modules (e.g., I/O expander bus, Module Bus).

      • Network Interfaces: Ports for system-wide communication networks (e.g., INFI-NET, Controlway, Ethernet for newer versions).

      • Communication Rates: (e.g., 1 Mbaud for Controlway, 83.3 kbaud for module bus).

    • Power Requirements: Typically low voltage DC (e.g., +5 VDC at 2 A; 10 W).

    • Rack Space: Occupies specific slots within a control rack.

    • Operating Temperature: Wide industrial operating range (e.g., 0°C to 60°C or wider).

    • Certifications: Often certified for use in ordinary (non-hazardous) locations, and sometimes approved as non-incendive equipment for Class I, Division 2 hazardous locations.

    • Supported I/O: Compatibility with various ABB Bailey I/O module types (Rack I/O, Block I/O, sometimes S800 I/O through interfaces).

     

    Product Advantages

     

    • Proven Reliability and Durability: These systems have a long track record of robust operation in harsh industrial environments.

    • High Availability: Redundant configurations provide excellent fault tolerance and minimize downtime, crucial for continuous processes.

    • Backward Compatibility: ABB's "Evolution without Obsolescence" policy ensures that newer generations of Symphony Harmony systems can often integrate with or replace older INFI 90 components, protecting significant customer investments in control applications and infrastructure.

    • Comprehensive Control Capabilities: Extensive libraries of pre-defined control algorithms (function codes) and support for custom programming (e.g., "C" programs, batch language) enable the design of complex and sophisticated control strategies.

    • Integrated Architecture: Designed as part of a distributed control system, providing a unified platform for process control, monitoring, and data management.

    • Field-Proven Technology: Thousands of installations worldwide attest to their effectiveness and longevity.

     

    Precautions

     

    • Legacy System Status: While still supported, INFI 90 and Symphony Harmony are considered legacy systems. Availability of new hardware components may be limited for older models, making refurbished or spare parts essential.

    • Migration Planning: For critical processes, users should develop long-term strategies for potential system migration or upgrades to newer ABB platforms (like System 800xA) to mitigate obsolescence risks.

    • Expert Knowledge: Maintenance and troubleshooting often require specialized knowledge of the specific INFI 90/Symphony Harmony architecture and programming environment.

    • Software Compatibility: Ensure that engineering and configuration software tools (e.g., Composer, WinTools) are compatible with the specific central unit and its firmware version, as well as the operating system on the engineering workstation.

    • Environmental Control: While robust, operating within specified temperature and humidity limits is crucial for extending module life.

    • ESD Protection: Always follow proper Electrostatic Discharge (ESD) precautions when handling these sensitive electronic modules.

     

    Product Applications

     

    ABB Bailey central units, as part of the INFI 90 and Symphony Harmony DCS, are extensively used in various industries requiring continuous process control and high reliability.

    • Power Generation: Control of boilers, turbines, generators, and auxiliary systems in thermal, hydroelectric, and nuclear power plants.

    • Oil and Gas: Control of upstream, midstream, and downstream processes including refineries, petrochemical plants, pipelines, and offshore platforms.

    • Pulp and Paper: Automation of pulping, papermaking, and finishing processes.

    • Chemicals: Control of chemical reactors, distillation columns, and other unit operations.

    • Water and Wastewater Treatment: Management of purification, pumping, and distribution systems.

    • Metals and Mining: Automation of smelting, rolling mills, and material handling.

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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Our main products include DCS control system spare parts, PLC system spare parts, and robot system spare parts. Our advantageous brands include Allen Bradley, Bently Nevada, ABB, HIMA, Reliance, Bender, National Instruments, Emerson Ovation, Honeywell, Siemens, Allen Bradley, ICS Triplex, FOXBORO, Schneider, GE Fanuc, Motorola, HIMA, Prosoft, and other imported industrial components. Our main products serve a wide range of electronic, metallurgical, chemical, and power plants Industries such as steel mills, rubber, cement, machinery and equipment, and construction.