DAPC100 3ASC25H203-57 ABB Bailey

DAPC100 3ASC25H203-57 ABB Bailey I / O module

Product  Description：

• • ABB Bailey I/O (Input/Output) modules are fundamental components of ABB's distributed control systems (DCS), notably the INFI 90 OPEN and Symphony Plus series. These modules serve as the crucial interface between the process field devices (sensors, actuators) and the control system's logic and processing units. They convert real-world analog and digital signals into data that the control system can understand and manipulate, and convert control commands back into signals that can operate field devices.

     

    Key Functions

     

    • Signal Conditioning: Filtering, amplifying, and converting raw field signals into a format suitable for the control system.

    • Data Acquisition: Reading inputs from various sensors (e.g., temperature, pressure, flow, level, switches).

    • Control Actuation: Sending outputs to actuators (e.g., valves, motors, pumps, contactors) to control process operations.

    • Isolation: Providing electrical isolation between the sensitive control electronics and potentially noisy or high-voltage field wiring.

    • Diagnostics: Offering self-diagnostic capabilities to identify faults in field wiring or the module itself.

    • Redundancy Support: Many modules support redundant configurations for increased system availability and reliability.

     

    Product Parameters (Typical)

     

    Due to the wide variety of ABB Bailey I/O modules (digital input, digital output, analog input, analog output, universal I/O, quick response, etc.), specific parameters will vary. However, common parameters include:

    • Operating Voltage: Typically +5 VDC, +15 VDC, -15 VDC, +24 VDC supplied from the termination unit. Input modules may handle higher field voltages (e.g., 24 VDC, 48 VDC, 125 VDC, 120 VAC).

    • Current Consumption: Specific to each module, but generally low (e.g., tens to hundreds of mA).

    • Number of Channels: Varies widely, from 4, 8, 16, to 32 channels per module.

    • Input/Output Types:

      • Analog Input: 4-20 mA, 0-10 VDC, 1-5 VDC, thermocouples (E, J, K, T, R, S, etc.), RTDs (Pt100, etc.), millivolt inputs.

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

      • Digital Input: Discrete on/off signals (e.g., from limit switches, push buttons), typically for various voltage levels (24 VDC, 48 VDC, 125 VDC, 120 VAC). Some offer local time tagging (e.g., 1ms resolution for Sequence of Events - SOE).

      • Digital Output: Discrete on/off signals (e.g., to control relays, solenoids), often with various voltage and current ratings (e.g., 24 VDC, 48 VDC, electromechanical relays or solid-state relays).

    • Analog Accuracy: Typically high, with linearity, repeatability, and accuracy often specified as a small percentage of full-scale range (e.g., ±0.1% of full scale).

    • Response Time: Important for quick-response modules, often in milliseconds.

    • Isolation: Channel-to-channel and channel-to-earth isolation voltages.

    • Mounting Type: Generally designed to occupy one slot in a standard module mounting unit (rack-based).

    • Environmental Conditions: Wide operating temperature range (e.g., 0°C to 70°C), non-condensing humidity (e.g., 5% to 95%).

    • Field Wiring Connection: Through separate termination units (TUs) and termination cables that connect to the I/O module.

     

    Product Advantages

     

    • Robustness and Reliability: Designed for continuous operation in demanding industrial environments, ensuring high system uptime.

    • Modularity and Scalability: The modular design allows for flexible system configuration and easy expansion as process requirements change. You can mix and match various I/O types within a single system.

    • High Performance: Many modules offer fast response times and high accuracy, crucial for precise process control.

    • Advanced Diagnostics: Built-in diagnostics help quickly identify and troubleshoot field wiring issues or module failures, minimizing downtime.

    • Seamless Integration: Designed to integrate flawlessly with ABB's INFI 90 OPEN and Symphony Plus control platforms, simplifying engineering and maintenance.

    • Hot Swappability: Many modules can be replaced without shutting down the entire system, allowing for online maintenance.

    • Redundancy Options: Critical applications benefit from redundant I/O module configurations, enhancing system availability and fault tolerance.

     

    Precautions

     

    • Read Documentation: Always refer to the specific module's instruction manual for detailed installation, operation, and maintenance procedures. Failing to do so can lead to injury, damage, or process upsets.

    • ESD Protection: Handle modules with care and observe proper electrostatic discharge (ESD) precautions. ESD can damage sensitive electronic components.

    • Power Requirements: Ensure the power supply to the module mounting unit and the termination units meets the specified voltage and current requirements for all installed modules and field devices.

    • Proper Wiring: Adhere strictly to the wiring diagrams and industry standards. Incorrect wiring can cause module damage, inaccurate readings, or hazardous conditions. Pay attention to shielding and grounding practices.

    • Environmental Limits: Operate the modules within their specified temperature, humidity, and atmospheric pressure ranges. Exposure to corrosive environments or excessive vibration can reduce lifespan.

    • Qualified Personnel: Installation, maintenance, and troubleshooting should only be performed by qualified and trained personnel familiar with industrial control systems and electrical safety.

    • Process Upset Prevention: Never remove or adjust an I/O module while the system is online and controlling a process without understanding the potential impact. Always follow approved procedures for maintenance on live systems.

    • RFI/EMI Considerations: Be mindful of potential radio frequency interference (RFI) or electromagnetic interference (EMI) in the vicinity of the equipment. Proper shielding and grounding help mitigate these effects.

     

    Product Applications

     

    ABB Bailey I/O modules are widely used across various industries where robust and reliable process control is essential. Their versatility makes them suitable for:

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

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

    • Chemical Industry: Batch and continuous process control for chemical reactions, distillation, and mixing.

    • Pulp and Paper: Control of paper machines, recovery boilers, and various plant-wide processes.

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

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

    • Pharmaceuticals: Precise control of batch processes and environmental conditions in cleanroom facilities.

     

    Typical Applications

     

    • Monitoring critical temperatures in a power plant boiler via analog input modules.

    • Controlling the speed of a pump in a chemical plant using analog output modules.

    • Receiving alarm signals from safety interlocks on a conveyor system via digital input modules.

    • Actuating emergency shutdown valves in a pipeline based on overpressure conditions using digital output modules.

    • Integrating diverse field instrumentation into a centralized DCS for comprehensive plant management.

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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