3BSE013088R1 DI885 ABB Bailey

3BSE013088R1 DI885 ABB Bailey I / O module

Product  Description：

• • ABB Bailey I/O (Input/Output) modules are fundamental building blocks of ABB's distributed control systems (DCS), particularly within the legacy Bailey INFI 90 and Symphony series. These modules serve as the critical interface between the plant's physical processes (sensors and actuators) and the control system's logic and processing units. They convert real-world signals into digital data for the controller and translate control commands back into signals that can operate field devices.

     

    Key Functions

     

    • Signal Conditioning: Converts raw sensor signals (e.g., analog voltage/current, discrete on/off states) into a format usable by the control system. This often includes filtering, amplification, and linearization.

    • Data Acquisition: Reads process variables from various field instruments like thermocouples, RTDs, pressure transmitters, flow meters, and limit switches.

    • Actuator Control: Sends control signals to actuators such as valves, motors, pumps, and solenoids to implement control strategies.

    • Isolation: Provides electrical isolation between field devices and the control system to protect against electrical noise and ground loops.

    • Diagnostics: Many modules include built-in diagnostic capabilities to detect wiring faults, sensor failures, or module malfunctions, aiding in troubleshooting.

    • Communication: Communicates with the main controller (e.g., Multi-Function Processor Module) via a dedicated I/O expander bus.

     

    Product Parameters (Typical)

     

    Parameters vary widely based on the specific I/O module type (e.g., digital input, analog output, special function). Here are common examples:

    • Digital Input Modules (e.g., IMDSI13, IMDSI22):

      • Number of Channels: Typically 8, 16, or 32 channels.

      • Input Voltage: 24 VDC, 48 VDC, 125 VDC, 120 VAC.

      • Input Current: Varies based on voltage (e.g., ~4.5 mA @ 24 VDC).

      • Response Time: Fast (e.g., 1.5 ms) or Slow (e.g., 17 ms).

      • Isolation: Optically isolated.

    • Digital Output Modules (e.g., IMDSO14, IMDSO15):

      • Number of Channels: Typically 8, 16, or 32 channels.

      • Output Type: Open collector, relay (electromechanical or solid state).

      • Output Voltage/Current: E.g., 24 VDC, 250 mA max; or relay contact ratings.

      • Short Circuit Protection: Often included.

    • Analog Input Modules (e.g., IMASI03, IMFEC11):

      • Number of Channels: Typically 4, 8, or 16 channels.

      • Input Range: 4-20 mA, 1-5 VDC, 0-10 VDC, +/-100 mVDC, Thermocouple (Type E, J, K, etc.), RTD (Pt100, etc.).

      • Resolution: Up to 24 bits for high-accuracy modules.

      • Accuracy: Typically ±0.03% to ±0.15% of Full Scale Range.

      • Isolation: Channel-to-channel isolation.

      • Open Input Detection: For specific sensor types (e.g., RTD, TC).

    • Analog Output Modules (e.g., IMASO11):

      • Number of Channels: Typically 2, 4, or 8 channels.

      • Output Range: 4-20 mA, 1-5 VDC.

      • Accuracy: Typically ±0.1% to ±0.25% of Full Scale Range.

      • Output Load: Specified for current and voltage modes.

    • General Parameters:

      • Operating Voltage: +5 VDC, +15 VDC, -15 VDC, +24 VDC (supplied from termination unit/module).

      • Power Dissipation: Varies per module (e.g., 1.5 W to 5 W).

      • Operating Temperature: Typically 0°C to 70°C (32°F to 158°F).

      • Relative Humidity: 5% to 95% non-condensing.

      • Mounting: Occupies one slot in a standard module mounting unit (MMU).

     

    Product Advantages

     

    • Reliability and Robustness: Built for demanding industrial environments, ensuring continuous operation and long service life, a hallmark of Bailey controls.

    • Modularity and Scalability: The modular design allows users to easily expand or modify I/O configurations to meet evolving process needs without overhauling the entire system.

    • Comprehensive Signal Handling: A wide array of modules support various signal types, including digital, analog, pulse, and specialized functions like quick response or sequence of events (SOE), providing flexibility for diverse applications.

    • Integrated Diagnostics: Many modules offer built-in diagnostic features that simplify troubleshooting and reduce downtime by quickly identifying faults.

    • Seamless Integration: Designed to work cohesively within the ABB Bailey INFI 90 and Symphony DCS architecture, ensuring smooth communication and data flow.

    • Field-Proven Technology: These modules are part of systems that have been widely deployed and proven reliable in countless industrial applications for decades.

     

    Precautions

     

    • Compatibility: Always ensure the specific I/O module is compatible with your existing ABB Bailey controller, mounting unit, and software version. Check product manuals for detailed compatibility matrices.

    • Power Requirements: Verify that the power supply to the module mounting unit meets the combined power demands of all installed modules. Incorrect power can lead to unreliable operation or damage.

    • ESD Protection: Electronic modules are sensitive to electrostatic discharge (ESD). Always follow proper ESD handling procedures, such as wearing an anti-static wrist strap, when installing or removing modules.

    • Wiring Standards: Adhere strictly to ABB Bailey's wiring diagrams and industry best practices for grounding, shielding, and cable routing to minimize electrical noise and ensure signal integrity. Improper wiring can lead to false readings or module damage.

    • Live Insertion/Removal: Check the module's specifications regarding live insertion or removal. While some modules may support it, doing so without proper authorization or in hazardous locations can be dangerous and damage the system.

    • Environmental Conditions: Operate modules within their specified temperature, humidity, and atmospheric pressure ranges. Exceeding these limits can degrade performance or shorten module life.

    • Documentation: Always refer to the specific product's instruction manuals for detailed installation, configuration, troubleshooting, and safety guidelines.

     

    Product Applications

     

    ABB Bailey I/O modules are widely utilized in critical process control applications across various heavy industries where high reliability and precise control are essential.

    • Power Generation: Control of boilers, turbines, generators, balance of plant systems in fossil fuel, nuclear, and hydro power plants.

    • Oil and Gas: Monitoring and control of pipelines, refineries, petrochemical plants, offshore platforms, and gas processing facilities.

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

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

    • Chemical Processing: Regulation of chemical reactors, distillation columns, and blending operations.

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

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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