ABB DSAI130-57120001-P5
ABB DSAI130-57120001-P5
ABB DSAI130-57120001-P5

ABB DSAI130-57120001-P5 | 8-Channel Analog Input

  • Brand:​ ABB
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    Model:​ DSAI130 (Part Number: 57120001-P5)
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    Product Type:​ Analog Input Module
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    Series:​ S800 I/O
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    Core Function:​ Provides 8 channels of analog input signal conditioning for process variables such as temperature, pressure, and flow.
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    Key Specs:​ 8 channels, 4-20mA input, 16-bit resolution.
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Description

DSAI130: Product Overview
The DSAI130 is an 8-channel analog input module within ABB’s S800 I/O family, designed for high-precision acquisition of current signals from field transmitters in process automation applications. This module is typically installed in a distributed I/O station located near the process equipment, functioning as the critical interface that converts analog current signals from measurement devices—such as pressure, flow, level, and temperature transmitters—into digital values for the central controller (e.g., an AC 800M). Its primary role is to ensure the accurate and reliable digitization of vital process variables that form the basis for regulatory control, monitoring, and data logging.
The module provides channel-to-channel isolation, which prevents ground loops and limits the impact of a fault on one channel from affecting the others. This isolation is essential for maintaining signal integrity in electrically noisy industrial environments. The module’s design focuses on high accuracy and stability, with features such as internal temperature compensation and electromagnetic interference (EMI) protection to ensure reliable operation in demanding process conditions.

ABB DSAI130-57120001-P5

ABB DSAI130-57120001-P5

DSAI130: Technical Specifications
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    Model Number:​ DSAI130
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    Manufacturer Part Number:​ 57120001-P5
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    Manufacturer:​ ABB
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    Product Type:​ 8-Channel Analog Input Module
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    Input Channels:​ 8 channels, single-ended
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    Input Signal:​ 4-20mA
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    Resolution:​ 16-bit
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    Accuracy:​ ±0.1% of reading
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    Update Time:​ 10 ms per channel
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    Isolation:​ Channel-to-channel and channel-to-system isolation, 500V AC
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    Power Supply:​ 24V DC via S800 I/O baseplate
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    Power Consumption:​ Typically 1.5W
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    Operating Temperature:​ -25°C to +70°C
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    Connection:​ Via Field Termination Assembly (FTA)
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    Compatible Systems:​ ABB AC 800M, Symphony DCS, System 800xA

    ABB DSAI130-57120001-P5

    ABB DSAI130-57120001-P5

Core Features & Customer Value
The module’s channel-to-channel isolation is a critical design feature that prevents ground loops and limits the impact of a fault on one channel from affecting the others. For the control engineer, this means that a short circuit or wiring fault on a single transmitter loop will not disrupt the measurement integrity of the remaining seven channels, significantly enhancing the overall availability and reliability of the control system. This isolation is essential for maintaining signal integrity in electrically noisy industrial environments.
The high resolution (16-bit) and accuracy (±0.1%) ensure that small changes in process variables are detected and accurately represented in the control system. This high precision is crucial for applications requiring tight control, such as reactor temperature control in chemical processes or pressure control in refining applications. The fast update time (10 ms per channel) allows for rapid detection of process changes, enabling quick controller response to maintain process stability.
The module’s high density (8 channels) and compact form factor allow for a high channel count within a limited cabinet space, optimizing the footprint of the control panel. The use of standardized Field Termination Assemblies (FTAs) simplifies wiring, reduces installation time, and facilitates module replacement without disturbing field wiring, which directly lowers installation and maintenance costs.
Typical Applications
In a chemical processing plant, the DSAI130 is used to monitor reactor temperatures and pressures via 4-20mA transmitters. The module provides the primary process variables to the controller for batch control and safety interlocking, ensuring product quality and process safety.
In a water treatment facility, the module interfaces with pH and conductivity analyzers. The 4-20mA signal carries the primary measurement value for control, ensuring process water quality without constant manual intervention.

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