ABB DSAI130K18 (3BSE019910R1) – Robust Analog Input Module for ABB Symphony Plus / Advant I/O

The ABB DSAI130K18, part number 3BSE019910R1, is an analog input I/O module widely used in ABB Symphony Plus and Advant-based systems for reliable field signal acquisition. From my experience, it fits best where you need stable, multi-channel analog measurement with minimal fuss—think 4–20 mA transmitters, 0–10 V process signals, and plant environments that demand long service life. The K18 variant typically indicates a factory option for enhanced environmental robustness and keyed installation to avoid module/base mismatch.

Company’s Order Placement Process and Guarantees

• Warranty: 365 days
• Delivery: 1 week if in stock; no more than 1 month at the latest
• Payment: 50% advance payment; full payment prior to delivery
• Express options: FedEx, UPS, DHL

Key Features

• Multi-channel analog input (AI): Typically used for 4–20 mA and 0–10 V process signals across multiple channels, simplifying loop wiring and scaling.
• Backplane integration: Interfaces directly with the ABB I/O bus, so no external comms setup—just plug into the correct MTU and commission.
• K18 variant robustness: You might notice the K18 option is favored in tougher environments; it usually points to enhanced protection and keyed mating with the MTU.
• Compact footprint: Fits standard ABB I/O cabinets, making it easy to slot into existing racks without panel redesign.
• Stable measurements: In many cases, these modules deliver very low drift and predictable performance, which reduces re-calibration headaches.
• Compatible MTUs: Commonly paired with ABB TU-series Module Termination Units (e.g., TU810/TU812), helping standardize spares and connectors.

Technical Specifications

Application Fields

This module is typically selected for plants where clean, stable analog measurement is the backbone of control:

• Power generation (boiler, balance-of-plant, turbine auxiliaries)
• Oil & gas (wellhead, separators, tank farms, pipeline stations)
• Chemicals and petrochemicals (reactors, utilities, emissions monitoring)
• Pulp & paper and metals (stock prep, rolling mills, cooling loops)
• Water & wastewater (filtration, pumping, dosing)

A maintenance manager told us their retrofit went smoother than expected—“we swapped in DSAI130 units, reused the existing MTUs, and the loops came up with almost no re-range. Commissioning felt routine.” That seems to be the common experience when staying within the ABB ecosystem.

Advantages & Value

• Reliability: Designed for continuous operation; fewer nuisance trips means less downtime cost.
• Compatibility: Pairs with ABB TU-series MTUs and controllers in the Symphony Plus/Advant family, which typically shortens installation time.
• Lifecycle support: Easy to keep as a drop-in spare, helping standardize inventory across units and sites.
• Cost control: Stable measurements reduce the need for frequent recalibration and field callouts.
• Technical guidance: From wiring best practices to parameter templates, we can share commissioning notes to speed up first-time success.

Supporting Components (Typical Pairings)

• ABB TU810V1 / TU812V1 Module Termination Units: Common DIN-rail bases for S800/Advant-style I/O modules; keyed to prevent misplacement.
• Shielded analog cables: Use twisted pair with 360° shield termination for low-noise current and voltage loops.
• 24 VDC power supply with proper grounding: Stable, low-ripple supply feeding the MTU/backplane, sized with margin for startup inrush.

Installation & Maintenance

• Cabinet & environment: Install in a ventilated industrial cabinet (IP54 or better recommended). Keep ambient within 0–55 °C and avoid vibration when possible.
• MTU selection: Match the module to the correct keyed TU-series MTU (the K18 keying helps). Double-check terminal pinout before landing field wires.
• Wiring: Use shielded twisted pairs for analog signals; ground shields at a single point. Separate low-level analog from high-voltage and relay wiring.
• Loop checks: Perform loop integrity and scaling verification (4–20 mA trim, simulated spans) prior to handover.
• Routine maintenance: Annually inspect connectors, clean dust with dry air, and re-tighten terminals. Re-verify calibration if drift is suspected.
• Firmware/configuration: Where applicable, keep controller/engineering tool versions aligned; back up I/O channel configurations after changes.
• Spare strategy: Keep at least one spare DSAI130K18 per cabinet or per 50 loops, depending on criticality.

Quality & Certifications

• CE compliant; RoHS-conform design in most configurations
• UL/CSA recognition is typical for ABB I/O modules (verify label for your exact unit/region)
• Manufactured under ISO 9001 quality systems
• Manufacturer warranty practices apply; we provide a 365-day warranty on supply

If you’re matching an existing ABB base or migrating a few loops, the DSAI130K18 tends to be a low-risk, straight-line option. One thing I appreciate is how predictable the commissioning feels when the MTU and keying are correctly selected—it saves hours on site.