SDCS-PIN-H11A 3ADT319200R1501 ABB Bailey

SDCS-PIN-H11A 3ADT319200R1501 ABB Bailey Analog Input Module

Brand：ABB Model number：SDCS-PIN-H11A 3ADT319200R1501

Country of origin: Sweden Product weight：0.55KG

HS code：8517623990

Product Details：

Product Dimensions：

The ABB Bailey Analog Input Module, frequently associated with the INFI 90 and NET 90 Distributed Control Systems (DCS) and later systems like Symphony, is a core component designed to interface field instrumentation with the control system's processor. Its fundamental purpose is to acquire analog signals from various sensors and transmitters in a process environment and convert them into digital values that the DCS controller can use for monitoring, control, and data acquisition. These modules are known for their high degree of flexibility, offering universal input capabilities across multiple channels.

Product Specifications

Module Type: Analog Input Slave Module (Common part numbers include IMASI03, IMASI13, IMASI23).
Channel Capacity: Typically features 16 independently configurable analog input channels.
Input Signal Types (Universal):

Current: $4 \text{ to } 20 \text{ mA}$ (milliampere), often supporting two-wire or self-powered transmitters.
Voltage (High Level): $0 \text{ to } 5 \text{ VDC}$ , $1 \text{ to } 5 \text{ VDC}$ , $0 \text{ to } 10 \text{ VDC}$ , or $-10 \text{ VDC}$ to $+10 \text{ VDC}$ .
Voltage (Low Level/Millivolt): $-100 \text{ mV}$ to $+100 \text{ mV}$ .
Thermocouples (TC): Supports a wide variety of types including E, J, K, L, N, R, S, T, and U, with built-in cold junction compensation.
Resistance Temperature Detectors (RTD): Supports $3$ -wire connections for various platinum, nickel, or copper RTDs (e.g., $100 \text{ \Omega}$ Platinum US/European standards).

A-to-D Resolution: High resolution, typically 24 bits for precise signal measurement.
Conversion Speed: Fast conversion, often around $180 \text{ ms}$ for all 16 channels, due to each channel having a dedicated A/D converter.
Isolation: Provides channel-to-channel and channel-to-earth isolation, often specified at $250 \text{ VDC/VRMS}$ or higher, to protect the system from ground loops and high-voltage transients.
Diagnostics: Includes open input detection for various signal types (TC, mV, V, mA) to quickly identify wiring faults.

Product Advantages

Universal Input Flexibility: The module's primary strength is its ability to accept practically any common industrial analog signal on any channel. This significantly simplifies inventory, spares management, and engineering design by allowing a single module type to cover diverse field requirements.
High Accuracy and Resolution: The $24$ -bit A/D conversion provides exceptional resolution and accuracy, which is crucial for precise control and monitoring in demanding process applications.
Channel Isolation: Independent channel isolation ensures that a failure or transient on one input line does not affect other channels or the control system itself, enhancing system robustness.
Integrated Signal Conditioning: Features built-in linearization for Thermocouple and RTD inputs and automatic cold junction compensation, eliminating the need for external signal conditioning hardware.
Hot-Swappable Design: Depending on the specific variant and system, the module is often designed to be hot-swappable, allowing for replacement without powering down the entire control rack, thus minimizing process downtime.

Important Considerations (Precautions)

Termination Unit Requirement: ABB Bailey Analog Input Modules typically require a dedicated external Termination Unit (TU), such as the NTAI06 or NIAI04, to connect the field wiring to the module. Ensure the correct TU is used for the specific module variant.
Module Variant Specifics: There are several versions (e.g., IMASI03, IMASI13, IMASI23). While universally capable, their exact features, supported systems (INFI 90, Symphony), and connection methods can vary. Always consult the specific module's datasheet.
Cold Junction Reference: For thermocouple inputs, the module uses a cold junction reference, often located on the Termination Unit. This reference must be physically present and functioning correctly for accurate temperature measurements.
System Grounding and Shielding: Proper grounding practices and the use of shielded cables for signal wiring are essential to maintain the module's specified accuracy and protect it from electromagnetic interference (EMI).
Calibration: While highly stable, periodic calibration checks of the module, or at least the entire signal chain, should be performed as part of a robust maintenance schedule.

Product Applications

The ABB Bailey Analog Input Module is essential for the continuous and batch control applications managed by the ABB Bailey DCS platforms. It is used to monitor, record, and control critical process variables throughout various industries.

Power Generation: Monitoring boiler temperatures, steam pressures, turbine vibrations, and flow rates.
Oil and Gas: Gathering data from pressure, temperature, and level transmitters in refining, pipeline, and offshore production facilities.
Chemical and Petrochemical: Monitoring reactor temperatures, process flows, and analyzing chemical compositions.
Water and Wastewater Treatment: Measuring levels in reservoirs, flow rates through pipes, and chemical dosing parameters.
Pulp and Paper: Monitoring temperature, pressure, and consistency throughout the milling and chemical recovery processes.

SDCS-PIN-H11A 3ADT319200R1501 ABB Bailey

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