Product Core Brief

• Model: DSDO115A 3BSE018298R1
• Brand: ABB
• Series: Advant OCS / Advant Master / S100 I/O
• Core Function: 32-channel 24 V DC transistor digital output module for driving relays, solenoid valves, indicators, and other discrete field devices from an Advant S100 I/O rack.
• Product Type: Digital Output (DO) Module
• Key Specs: 32 channels | 24 V DC | 0.5 A per channel | short-circuit-proof transistor outputs
• Condition: New Original / New Surplus / Tested Used

Key Technical Specifications

• Channels: 32 independent digital output channels
• Output Type: 24 V DC transistor outputs, short-circuit-proof
• Per-Channel Current: 0.5 A maximum
• System Compatibility: ABB Advant S100 I/O for Advant Controller 400 series, including AC 450 / AC 460, Advant OCS, MasterPiece 200, and 800xA
• Part Number: 3BSE018298R1 (DSDO115A)
• Diagnostics: Per-channel LED status indicators and module self-diagnostics
• Mounting: S100 I/O subrack with connection unit and prewired cable
• Hot Replacement: Supported for S100 I/O modules per system configuration
• Dimensions: 324 × 234 × 22.5 mm
• Weight: 0.32 kg
• RoHS: Exempt under 2011/65/EU Article 2(4)(c), (e), (f), (j)

 

Product Introduction (No Fluff)

This is an ABB S100 I/O digital output module used in legacy Advant OCS and Advant Master DCS systems to drive discrete field devices from a single high-density card. With 32 short-circuit-proof 24 V DC transistor outputs, it is commonly used for relay banks, solenoid valves, pilot lamps, motor starter auxiliaries, and other on/off actuators.

For plants maintaining Advant Controller 450/460, AC 460, or Advant OCS racks, this module is a direct replacement when an existing DO card develops channel faults, output latch-up, or persistent diagnostics errors. It installs into the configured S100 slot and restores discrete output capability without requiring a full rack overhaul.

QA & Testing SOP (Dynamic & Transparent)

Digital output cards typically fail as stuck-high channels, open outputs, blown driver stages, or intermittent LED/diagnostic faults.

• Inbound authenticity check: Verify 3BSE018298R1 labeling, ABB part markings, PCB revision, connector condition, and absence of corrosion or rework.
• Physical inspection: Check edge connector pins, card guides, front-panel LEDs, and connection-unit interface for damage or bent contacts.
• ESD-safe handling: Stored in anti-static bags with humidity control; handled at ESD-safe workstations.
• Power-up and diagnostics: Verify module initialization and LED status on an S100 test setup where available.
• Channel output check: Where a compatible rack is available, sample-test channels under 24 V DC load to confirm switching, short-circuit protection behavior, and absence of stuck outputs. Full 32-channel load testing depends on test bench availability.

If a full OEM Advant S100 rack is not available for functional testing, we disclose it clearly rather than claiming unverified results.

 

Installation Pitfalls & Guide (Engineer to Engineer)

❗ Verify the connection unit and cable. DSDO115A is an S100 I/O module that mates with a connection unit and prewired cable. Replacing the card without checking the connection unit and field wiring can leave outputs misrouted.

❗ Do not exceed 0.5 A per channel. This module is rated for 0.5 A per transistor output. Driving higher-current loads directly can damage the card. Use intermediate relays for larger loads.

❗ Check 24 V DC supply polarity and fuse protection. Although outputs are short-circuit-proof, upstream wiring faults, reversed polarity, or missing fuses can still affect the connection unit, field devices, or power distribution.

❗ Confirm slot configuration in the engineering station. S100 slots must be configured for the correct module type. Inserting a DO card into a slot configured for DI, AI, or AO will trigger diagnostics faults.

Replacement steps:

1. Pre-install: Confirm part number, slot ID, channel map, connection unit type, and ESD precautions.
2. Removal: Follow site SOP. S100 I/O supports hot replacement in many configurations, but verify with the engineering station before pulling a live DO card, especially if outputs drive safety-related or process-critical devices.
3. Install: Seat the module firmly into the cardfile, verify connector alignment, and secure retaining hardware.
4. Power-on test: Check LED status, force outputs from the engineering station, and verify field device response with a multimeter or load indicator.

 

Technical FAQ

Is DSDO115A 3BSE018298R1 still available?
This is a legacy Advant S100 I/O module. Availability depends on surplus and remaining inventory. Confirm current stock before planning multi-unit replacements.

Can I use it in Advant Controller 450 / AC 460 / 800xA systems?
Yes. DSDO115A is listed for Advant Controller 450/460, Advant OCS, MasterPiece 200, and 800xA S100 I/O applications. Always confirm slot configuration and connection unit compatibility before installation.

Does it support hot-swap?
ABB Advant S100 I/O supports hot replacement of I/O modules in many configurations. However, removing a live DO card can de-energize active outputs. Always verify with the engineering station and site SOP before replacement.

What is the difference between DSDO115 and DSDO115A?
The “A” suffix typically indicates a revision or updated variant. For replacement purposes, confirm the full order code 3BSE018298R1 and the existing module label before shipment.

What warranty do you offer?
Warranty terms depend on condition: new original, new surplus, or tested used. We provide clear condition labeling and DOA coverage for tested units. Specific warranty length should be confirmed at checkout.

How do I confirm the correct replacement?
Send the rack type, slot number, existing module label, connection unit type, and a photo of the front plate. We will verify whether 3BSE018298R1 matches your slot configuration and wiring before shipment.