ABB DSDI110AV1 3BSE018295R1 | Digital Input Board

The ABB DSDI110AV1, order number 3BSE018295R1, is a digital input board for the ABB Advant OCS S100 I/O system. It acquires discrete electrical signals from field devices and makes their on/off states available to the control system for monitoring and control. The board is specified as a 32-channel digital input board, with a 24 V DC input configuration documented for this product designation.

The DSDI110AV1 is used with compatible S100 I/O hardware, including the corresponding connection units and cables required by the selected wiring arrangement. Input voltage thresholds, channel grouping, filtering, and connection hardware should be checked against the installed configuration before replacement. The full order number is important when distinguishing this board from other digital input variants in the S100 I/O family.

Key Technical Specifications

Detailed Product Overview

The ABB DSDI110AV1 3BSE018295R1 is a digital input board in the S100 I/O family. Its role is to acquire discrete field signals and make their states available to the control system. Typical signal types for digital input hardware include contact states and switching signals, provided the field circuit and electrical characteristics match the board’s configured input arrangement.

The board is specified for 32 digital input channels and a 24 V DC configuration. The actual wiring arrangement depends on the selected connection unit and associated cable. These components are part of the overall I/O interface and must be selected as a compatible combination.

Input configuration and signal interpretation

Digital input channels allow a controller to distinguish between defined electrical states. In an automation application, those states may represent equipment status, a limit-switch position, or another discrete condition. The controller application then uses the acquired state for monitoring, alarms, sequencing, or interlocking logic as appropriate to the system design.

The input thresholds and filtering characteris

tics matter when integrating field devices. The field voltage must fall within the valid range for the intended logic state, while the configured filter determines how input transitions are handled. Exact electrical limits and filter settings should be taken from the applicable board and connection-unit documentation.

S100 I/O system integration

S100 I/O uses I/O boards installed in an I/O subrack, with connection units and cables providing the field interface. The subrack communicates with the controller through the system’s designated I/O bus-extension arrangement.

The DSDI110AV1 is associated with ABB Advant OCS installations and documented S100 I/O configurations. Its suitability for a particular controller depends on the system hardware and engineering configuration. The model should not be treated as a generic digital input module for unrelated I/O platforms.

Replacement and procurement

For replacement work, use both the board designation and the complete order number, 3BSE018295R1. Check the installed connection unit, cable type, channel grouping, and required input voltage before ordering. A board with a similar channel count may use a different electrical configuration or connection arrangement.

Applications & System Role

The DSDI110AV1 serves as a discrete signal acquisition component within a compatible S100 I/O control system.

• Equipment status monitoring: Acquires discrete status signals from compatible field circuits.

• Switch-state acquisition: Provides digital state information for controller logic.

• Sequence control: Supplies input states that application logic can use to determine subsequent control actions.

• Alarm and condition monitoring: Makes configured discrete input states available for application-level monitoring.

• I/O cabinet maintenance: Serves as a model-specific component for installations that specify this board and its matching connection hardware.

The board acquires input signals; it does not directly drive field loads as a digital output module would.

Verification & Troubleshooting Notes

1. Verify the part number: Confirm DSDI110AV1 and 3BSE018295R1 on the installed board.

2. Check the connection unit and cable: Ensure the hardware combination matches the installed input arrangement.

3. Measure the field signal safely: Compare the measured input voltage with the applicable logic thresholds and rated input configuration.

4. Review channel configuration: Check channel grouping, input filtering, and controller-side signal mapping.

5. Inspect diagnostics: Review relevant controller alarms and available I/O status indications before deciding that the board has failed.

6. Check the full signal path: If an input state is missing or incorrect, inspect the field device, wiring, terminals, and connection hardware as well as the board.

Isolate electrical circuits according to site procedures before handling terminals or disconnecting field wiring. Do not assume that every connection-unit arrangement supports the same voltage range.

FAQ

1. What is the ABB DSDI110AV1 3BSE018295R1?

It is a 32-channel digital input board for the ABB S100 I/O system, used to acquire discrete field signals for controller processing.

2. What input voltage is associated with this model?

The product designation is documented as a 24 V DC digital input board. Confirm the exact input configuration and electrical thresholds against the installed connection-unit arrangement.

3. How many input channels does the DSDI110AV1 provide?

The DSDI110AV1 is specified as a 32-channel digital input board.

4. Which control system does the DSDI110AV1 belong to?

It belongs to the ABB S100 I/O family and is associated with Advant OCS control-system configurations. Compatibility depends on the installed system architecture.

5. Does the DSDI110AV1 require a separate connection unit?

The S100 I/O installation uses compatible connection units and cables to interface the I/O board with field wiring. The required combination depends on the intended input configuration.

6. What should be checked before replacing the DSDI110AV1?

Confirm the complete order number, input voltage configuration, connection unit, cable arrangement, and channel mapping. These checks help prevent mismatches during maintenance or replacement.