Description
Key Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | ABB |
| Model Number | DSDI110AV1 |
| Order Number | 3BSE018295R1 |
| Product Type | Digital Input Board |
| Product Family | S100 I/O |
| System Compatibility | ABB Advant Master Process Control System |
| Input Channels | 32 channels |
| Input Voltage | 24VDC nominal |
| Input Voltage Range | 15–35VDC logic “1” |
| Logic “0” Range | -25 to +5VDC |
| Input Impedance | Approx. 4 kΩ |
| Isolation | Individual input circuit isolation |
| Filter Time | Configurable hardware filtering |
| Current Consumption | Approx. 460mA from +5V supply |
| Field Supply Current | Approx. 11mA/channel at 24V |
| Dimensions | 234 × 229.5 × 18 mm |
| Weight | Approx. 0.332 kg |
| Installation | ABB S100 I/O rack |
Product Introduction
ABB DSDI110AV1 3BSE018295R1 Overview
The ABB DSDI110AV1 3BSE018295R1 is a 32-channel digital input board designed for ABB Advant OCS and S100 I/O systems. It collects discrete field signals from switches, sensors, relay contacts, and equipment status devices, then transfers those signals into the Advant control system for monitoring and sequence control.
The ABB DSDI110AV1 3BSE018295R1 remains widely maintained in legacy Advant Controller 400 installations because it provides a direct replacement path for existing S100 I/O cabinets. The module is built for industrial signal acquisition, with isolated input channels and configurable filtering for stable operation in electrically noisy environments.
DSDI110AV1 3BSE018295R1
Application Scenarios & Field Pitfalls (The Engineer’s Perspective)
Engineering Pain Point
A production line stops because a motor permissive signal disappears. The operator sees a digital alarm, but the root cause is unclear. Is the field switch defective? Is the cable damaged? Did the input channel fail?
Digital input modules are simple in concept, but they sit directly between field equipment and the control system. A single failed channel can interrupt an interlock chain, prevent equipment startup, or create unnecessary troubleshooting time.
The DSDI110AV1 is responsible for bringing those real-world ON/OFF conditions into the DCS accurately.
Typical Applications
- Power Generation – Monitoring breaker status, pump feedback, valve limit switches, and auxiliary equipment conditions.
- Oil & Gas Processing – Receiving field signals from shutdown devices, motor starters, pressure switches, and process interlocks.
- Chemical Manufacturing – Digital status acquisition for pumps, agitators, valves, and safety-related field contacts.
- Water Treatment Plants – Monitoring pump operation, level switches, valve positions, and equipment alarms.
Technical Pitfalls to Avoid
- Verify Input Voltage Before Replacement
The DSDI110AV1 is designed for specific input ranges. Confirm field voltage levels before connecting existing wiring. Incorrect voltage can damage the input circuit.
- Check Connection Units and Wiring
The S100 I/O system uses separate connection units and cables. A failed input indication may come from terminal hardware, wiring faults, or poor field contacts rather than the board itself.
- Confirm Channel Configuration
Verify the I/O database, channel addressing, and engineering configuration before commissioning. A correctly installed module with incorrect mapping can create misleading field symptoms.
Related Products
- ABB DSDO115A 3BSE018298R1
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Advant Controller rack assembly. Provides controller-side hardware support for related Advant system installations. - ABB DSDI110A
Earlier version of the digital input board family. Replacement suitability depends on hardware revision and system configuration. - ABB PM865K01 3BSE031151R1
AC800M controller kit used in newer ABB automation platforms. Often considered during migration planning from Advant systems.
