Product Core Brief

• Model: DSDI110AV1 3BSE018295R1
• Brand: ABB
• Series: S800 I/O / Advant Master / 800xA
• Core Function: 32-channel isolated digital input module for reading 24 VDC field status signals such as push-buttons, limit switches, proximity sensors, and relay contacts.
• Product Type: Isolated Digital Input Module
• Key Specs: 32 DI channels | 24 V DC nominal | 500 V AC galvanic isolation | S800 single-width module | Requires S800 termination unit | –25 °C to +60 °C
• Condition: New Original / New Surplus

Key Technical Specifications

• Channels: 32 discrete digital inputs
• Nominal input voltage: 24 V DC
• Isolation: 500 V AC galvanic isolation between field and system
• Mounting: S800 I/O single-width module, requires rack/base assembly
• Field wiring: Requires S800 termination unit (TU-series)
• Operating temperature: –25 °C to +60 °C
• Dimensions: approx. 234 × 229.5 × 18 mm
• Net weight: approx. 0.332 kg
• Compatible systems: ABB S800 I/O, AC800M, 800xA, Advant Master, Advant OCS, MasterPiece 200/200/1

Product Introduction (No Fluff)

This is an ABB S800 I/O isolated digital input module. It provides 32 channels of 24 V DC discrete input, designed for reading field device status signals in industrial control systems.

The value is clean signal acquisition with strong isolation. With 500 V AC galvanic isolation between field and system sides, it helps prevent noise, ground loops, and transient coupling from reaching the controller backplane. It is commonly used in power, petrochemical, manufacturing, and transportation applications where reliable binary status monitoring is required.

QA & Testing SOP (Dynamic & Transparent)

This is a digital I/O module, so testing covers visual, mechanical, and basic electrical verification—not full channel calibration.

1. Incoming inspection — Verify part number 3BSE018295R1 and model DSDI110AV1. Check for cracked housing, damaged connectors, corrosion, and label consistency.
2. Connector inspection — Examine the module-side connector and backplane mating interface for bent pins, oxidation, or burn marks.
3. Power-up test — Install in a compatible S800 base, apply system power, and verify normal LED behavior without immediate fault indication.
4. Channel spot check — Where test equipment allows, apply 24 V DC to a small number of input channels and confirm correct status indication.
5. Packing — Place in anti-static packaging with rigid support to protect connectors during transit.

Installation Pitfalls & Guide (Engineer to Engineer)

❗ Do not confuse with DSDI110A 57160001-AAA. DSDI110AV1 3BSE018295R1 belongs to the S800 I/O family, while DSDI110A 57160001-AAA is an older Advant S100 I/O board. They are not interchangeable.

❗ A termination unit is required. This module cannot be wired directly to field devices. It must be mounted on a compatible S800 base and connected through an S800 termination unit.

❗ Verify channel count before replacement. Some older references describe 16-channel versions, but the 3BSE018295R1 product data identifies this as a 32-channel digital input module. Always confirm against your controller configuration.

❗ Check 24 V DC field supply polarity. Reversed or unstable field supply can cause incorrect input status or damage the termination unit wiring.

Replacement steps

1. Pre-install: Confirm the S800 slot position and back up the controller I/O configuration.
2. Removal: If hot-swap is supported by the system configuration, follow ABB procedures. Otherwise, remove during a controlled shutdown.
3. Install: Seat the module firmly into the S800 base, verify the termination unit wiring, and restore power.
4. Verification: Check LED status, confirm channel readings in the controller, and monitor for input faults for at least 15 minutes.

Technical FAQ

Is this an OEM genuine ABB part? We supply new original and new surplus stock depending on availability. If sealed original packaging is required, confirm before ordering.

Does DSDI110AV1 need configuration? Yes. The module must be configured in the controller hardware configuration. However, for a like-for-like replacement, existing configuration can usually be retained.

Can DSDI110AV1 replace DSDI110A 57160001-AAA? No. DSDI110AV1 3BSE018295R1 is an S800 I/O module, while DSDI110A 57160001-AAA is an Advant S100 I/O board. They belong to different platforms and are not interchangeable.

What termination unit does it require? It requires a compatible S800 termination unit. The exact TU type depends on wiring style and application. Confirm against your existing rack documentation.

Is it in stock and ready to ship? Inventory changes daily. Send the required quantity and destination, and we will confirm availability, lead time, and shipping options.