DSAX110A ABB Analog quantity expansion interface module High-density analog signal access solution AC 800M system

Product Overview

ABB DSAX110A (Model: 3BSE018291R1) is an analog signal expansion interface module specially designed for ABB AC 800M control systems and is an auxiliary component of the S800 I/O series. This module itself does not perform signal processing. Instead, it serves as an expansion base for analog input modules such as AI810 and AI815, used to connect external field signals and providing convenient terminal blocks and signal conditioning support.

The DSAX110A supports centralized wiring of 8 analog input channels, significantly simplifying the complexity of wiring, enhancing the efficiency of engineering installation and system maintainability. It is widely used in industrial automation scenarios such as power, chemical, water treatment, and papermaking that require high-density analog signal acquisition.

Core features

Dedicated expansion base: Provides external wiring interfaces for S800 analog input modules such as AI810 / AI815
Support for 8 analog channels: Each channel has an independent terminal block, compatible with 4-20mA or voltage signals
Integrated signal conditioning circuit (Some versions) : Supports basic functions such as open-circuit detection and filtering
Screw-type terminal design: Firm and reliable, suitable for industrial vibration environments
DIN rail installation: Install on the same rail as the S800 I/O module to save space
Status indication compatibility: The channel status is displayed through the LED of the main module
Plug-and-play connection: Quickly connect to the main I/O module via a dedicated cable

Technical parameters
Model: 3BSE018291R1
Product Name: DSAX110A Analog Expansion Interface Module (Terminal Unit)
System to which: ABB S800 I/O series
Supporting main modules: AI810 (3BSE008516R1), AI815 (3BSE013204R1), etc
Number of channels: 8 analog input channels
Supported signal types
Current: 0/4-20 mA (default)
Voltage: 0-5V, 0-10V, ± 10V (depending on the configuration of the main module
Terminal type: Screw-type crimp terminal, maximum wire diameter 2.5mm ²
Insulation voltage: ≥ 500 VAC
Operating temperature: 0°C to +60°C
Storage temperature: -40°C to +85°C
Installation method: DIN EN 60715 standard rail (installed side by side with the main module)
Dimensions (width × height × depth) : approximately 45 × 135 × 90 mm
Weight: Approximately 280 g
Protection grade: IP20 (For use within the control cabinet only)

Typical applications

Provide centralized connection points for 4-20 mA transmitters such as pressure, temperature and flow
Replace traditional terminal blocks to achieve modular and standardized I/O wiring
Optimize the wiring layout in control cabinets with limited space
Enhance system maintainability: No need to disassemble the main I/O module during fault detection

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