Description
Product Overview
The ABB DSDO115K12 3BSE019933R1 is a 32-channel digital output kit used in ABB S100 I/O-based industrial control systems. Its job is to translate controller output commands into discrete electrical signals for compatible field circuits. Depending on the installed control configuration, digital outputs may be used for equipment such as relay interfaces, solenoid valves, contactor control circuits, and other on/off devices. The published ABB product description identifies this version as a 24 VDC digital output kit with a listed current rating of 150 mA. Actual load suitability must be checked against the system documentation and the electrical requirements of the connected device.
The ABB DSDO115K12 3BSE019933R1 belongs to the S100 I/O family associated with ABB Advant OCS environments, including supported Advant Controller 450, MasterPiece, and 800xA-related configurations. That makes it relevant to maintenance teams keeping established process-control installations in service. However, sharing the S100 I/O family does not guarantee that every DSDO 115A variant is interchangeable. The exact kit designation, system generation, installed connection hardware, channel arrangement, and application configuration should be checked before ordering. ABB documentation also lists related versions such as DSDO 115K10, DSDO 115K11, and DSDO 115K16, which should be treated as distinct part numbers until compatibility is confirmed.
For replacement planning, confirm the complete part number on the existing unit and compare it with the bill of materials and cabinet drawings. Check whether the required supply includes only the output kit or associated mounting and connection components. A matching catalog number is a useful starting point, but it does not establish the condition of a specific unit, its test history, or its suitability for a particular control-system revision. The ABB DSDO115K12 3BSE019933R1 should be selected against the installed hardware and application requirements, not model-name similarity alone.
Product Introduction
When a legacy control cabinet develops a digital-output fault, replacing the correct I/O assembly can help restore field-device control without redesigning the entire system. The ABB DSDO115K12 3BSE019933R1 provides 32 digital output channels for compatible S100 I/O applications, with a published 24 VDC rating and 150 mA output-current specification.
Before installation, verify the channel wiring, connected-load current, system compatibility, and included hardware. For older Advant OCS installations, these checks help avoid ordering a related but incompatible output-kit variant.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | ABB |
| Model | DSDO115K12 |
| Order / Part Number | 3BSE019933R1 |
| Product Type | Digital output kit |
| I/O Family | S100 I/O |
| Number of Channels | 32 digital output channels |
| Output Voltage | 24 VDC |
| Listed Output Current | 150 mA |
| System Applications | Supported ABB Advant OCS / S100 I/O configurations |
| Communication Protocol | Not specified as a standalone interface protocol |
| Operating Temperature | Confirm against the applicable system documentation |
| Protection Rating | Not confirmed in the reviewed product data |
| Installation Method | System-specific I/O installation; verify mounting and connection hardware |
| Dimensions / Weight | Confirm against the exact supplied assembly and applicable documentation |
| Condition | Confirm at order; inspect and test status should be documented |
The voltage and current values above reflect the published product description. Do not interpret the 150 mA rating as permission to drive every load type directly; check the load characteristics, output circuit design, and system wiring documentation.
DSDO115K12 3BSE019933R1
Related Products
These models belong to related ABB I/O product families. They are comparison or sourcing references, not automatic drop-in replacements.
- DSDO 115K10 — 3BSE019931R1: Related digital output kit; confirm channel grouping and electrical details.
- DSDO 115K11 — 3BSE019932R1: Related 32-channel, 24 VDC digital output version.
- DSDO 115K16 — 3BSE021523R1: Another 32-channel digital output kit; verify the exact configuration.
- DSDO 115AK01 — 3BUR002123R1: Related digital output kit described as a four-group, eight-channel arrangement.
- DSDO 115K01 — 5730030-VC: Related digital output kit reference.
- DSDI 110AK13 — 3BSE019926R1: I/O digital input kit for input-signal acquisition.
- DSDI 110AK14 — 3BSE019927R1: Related digital input variant; verify the voltage and wiring configuration.
- DSAO 120AK01 — 3BSE020419R1: I/O analog output kit for analog rather than discrete control signals.
ABB’s product data lists these parts in related I/O kit applications. Confirm the exact catalog documentation before substituting any model.
Frequently Asked Questions
Q1. Is ABB DSDO115K12 3BSE019933R1 compatible with my existing ABB Advant OCS system?
It is associated with ABB I/O systems used in supported Advant OCS configurations. Compatibility still depends on the installed controller and I/O architecture, hardware revision, connection arrangement, and system documentation. Compare the existing part number and system bill of materials before purchase.
Q2. Can I replace with DSDO115K11 or DSDO115K16?
Do not assume so. These are separate cataloged variants. Differences in channel arrangement, electrical characteristics, or installation requirements may affect interchangeability. Obtain the applicable ABB documentation for both versions and verify the complete hardware configuration.
Q3. Can I hot-swap the while the system is running?
Do not assume live replacement is permitted. The available product information reviewed here does not establish a universal hot-swap procedure for this kit. Follow the approved maintenance procedure for the installed I/O system, including any required shutdown, isolation, and process-safety steps.
Q4. What should I check before connecting field loads?
Confirm that the load is suitable for the specified 24 VDC output and that its current demand is within the documented output rating. Also verify wiring polarity, common connections, protective devices, load inrush, and whether an interposing relay is required. The listed 150 mA figure alone is not a complete load-compatibility assessment.
Q5. Does the require firmware or software configuration?
The requirements depend on the host controller, engineering environment, and existing I/O configuration. Confirm that the system recognizes the module and that channel assignments and application logic match the replacement hardware. Do not assume that a hardware change requires no software review.
Q6. How can I verify that a supplied unit is genuine and tested?
Check the ABB identification label, part number, physical condition, and traceability documentation. Request clear photographs and a written description of the unit’s condition. If functional testing is claimed, ask for the test scope and results; visual inspection alone does not prove that all output channels operate correctly.
Q7. Is the unit new, surplus, or refurbished, and what warranty applies?
Stock condition and warranty depend on the individual unit and seller’s terms. New surplus should not automatically be described as factory-sealed or unused in verified original packaging. Confirm the condition in writing, request any available inspection or test report, and obtain the warranty period and return terms before placing the order.
