DSAI133A 3BSE018290R1 | ABB S800 I/O Analog Input Module

The DSAI133A (Part Number 3BSE018290R1) is a high-density Analog Input module within the ABB S800 I/O family. This module is designed to interface with various industrial sensors, providing accurate data conversion for Advant OCS, 800xA, and other ABB control systems. It features 16 individual channels, making it a space-efficient solution for large-scale industrial monitoring.

Technical Datasheet

Product Specifications

  • Model Number: DSAI133A

  • Part Number: 3BSE018290R1

  • Module Type: Analog Input (S800 I/O)

  • Number of Channels: 16 Single-ended Channels

  • Input Range: 0 to 20 mA, 4 to 20 mA, 0 to 10 V, 2 to 10 V, 0 to 5 V, 1 to 5 V

  • Resolution: 12-bit including sign

  • Input Impedance: 250 Ω (Current) / >1 MΩ (Voltage)

  • Accuracy: 0.1% of full scale (at 25°C)

  • Dimensions: 119mm x 45mm x 102mm

  • Weight: 0.20 kg

  • Country of Origin: Sweden / Estonia

Application Areas

The DSAI133A is widely used in process automation environments such as water treatment plants, chemical processing, and HVAC control. It is ideally suited for monitoring standard process variables like pressure, temperature (via transmitters), level, and flow. Its 16-channel density is particularly beneficial in control cabinets where rail space is limited.

Product Instructions

  1. Module Mounting: Snap the DSAI133A onto a compatible S800 I/O station or ModuleBus. Ensure the module is firmly seated into the MTU (Module Termination Unit).

  2. Configuration: Use the system engineering software (e.g., Control IT or 800xA) to set the input type for each channel. The module can be configured for either voltage or current signals via software parameters.

  3. Wiring: Connect the field signals to the MTU. Ensure that the 24V DC process power is supplied to the station to power the internal circuitry and sensor loops.

  4. Grounding: Ensure the DIN rail is properly grounded and the shield termination is connected to prevent electrical noise from affecting the 12-bit analog readings.

  5. Status Check: Monitor the front-panel LEDs. A green “RUN” LED indicates normal operation, while a red “ERR” LED indicates an internal hardware failure or a configuration mismatch.

Q&A: Frequently Asked Questions

Does the DSAI133A support HART communication? No, the DSAI133A is a standard analog input module. For HART-specific applications, you would typically look at modules such as the DSAI130 or DSAI130A.

Can I mix current and voltage signals on the same module? Yes, the DSAI133A allows for individual channel configuration. However, you must ensure the external wiring on the MTU matches the signal type selected in the software.

Is this module hot-swappable? Yes, the S800 I/O system supports Hot Configuration In Run (HCIR). The DSAI133A can be replaced while the rest of the I/O station is powered, provided the system is configured to allow it.

What is the difference between DSAI133 and DSAI133A? The “A” suffix usually denotes a hardware revision or update. In many cases, they are functionally identical, but the DSAI133A may have improved components or updated firmware for better stability and compatibility with newer MTUs.

Recommended Similar Models

  • ABB DSAI130 (HART Analog Input Module)

  • ABB DSAO120A (Analog Output Module, 8 Channels)

  • ABB DSDI110A (Digital Input Module, 16 Channels)

  • ABB DSDO115A (Digital Output Module, 16 Channels)

  • ABB TU810 (MTU Termination Unit for S800 Modules)

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