Product Quick Summary
ABB DSDI110AV1 3BSE018295R1 is a 16-channel 24 VDC digital input module for ABB S800 I/O systems. It collects field status signals from switches, relays, sensors, and limit contacts, then delivers them to the controller with electrical isolation.
- Brand: ABB
- Product family: S800 I/O for AC 800M / System 800xA
- Core function: 16-channel digital input acquisition
- Key specs: 24 VDC input, 10 mA input current, 10 kΩ input impedance, isolated design
- Condition: New surplus / legacy industrial module
- Availability: Ready-to-ship inventory with pre-shipment inspection
Core Technical Specifications
| Parameter | Value |
|---|---|
| Model | |
| Order code | 3BSE018295R1 |
| Module type | Digital input module |
| Platform | ABB S800 I/O / AC 800M / System 800xA |
| Input channels | 16 × digital inputs |
| Nominal input voltage | 24 VDC |
| Input current | 10 mA |
| Input impedance | 10 kΩ |
| Isolation | Field-to-system electrical isolation |
| Mounting | DIN-rail S800 I/O module with termination base |
| Operating temperature | Approximately -25 to +60 °C |
| Typical applications | Status monitoring, interlocks, permissive signals, machine safety inputs |
Engineer’s Perspective
In the field, the ABB DSDI110AV1 3BSE018295R1 usually shows up where a controller needs clean, reliable status signals. Push-buttons, selector switches, valve limit contacts, relay outputs, and proximity sensors all land here before the logic decides what happens next. If this module fails or is missing, the controller may lose visibility into critical interlocks, and that can keep a process unit from starting or force it into a safe state.
It belongs to the ABB S800 I/O family, not the older Advant S100 rack system. That distinction matters. The earlier DSDI 110A with material number 57160001-AAA is a different platform and should not be mixed with this part. The DSDI110AV1 3BSE018295R1 is commonly used as a replacement for older DSDI 110 and DSDI 110A variants within S800 I/O stations, but the exact substitution should always be confirmed against the installed hardware and engineering documentation.
This module is not a high-speed counter, safety-certified SIL module, or universal voltage card. It is a straightforward 24 VDC digital input device. For maintenance teams, that simplicity is actually a benefit: fewer configuration traps, clearer diagnostics, and easier troubleshooting when a field circuit misbehaves.
Installation, Compatibility & Risk Avoidance
- Verify the platform first. This is an S800 I/O module for AC 800M / System 800xA environments. Do not install it in an Advant S100 rack unless the engineering team has confirmed compatibility.
- Check the termination unit. S800 I/O modules require the correct TU-series termination base. Installing the module without the proper base will delay commissioning.
- Confirm polarity and wiring. 24 VDC inputs must match the field wiring scheme. Reversed commons or incorrect sensor types can cause false indications.
- Watch the power budget. Even though input current is low, multiple modules on one segment can add up. Verify the station power supply can handle the full I/O load.
- Match firmware and configuration. After replacement, confirm the module is recognized in the hardware configuration and that channel mappings match the original design.
- Do not assume safety certification. Unless explicitly stated in the official ABB documentation, treat this as a standard digital input module, not a safety-rated device.
Field Note: Before pulling the old module, photograph the termination labels and record which channels are active. A missing channel map turns a 15-minute replacement into a half-day commissioning exercise.
Natural FAQ
Q: Can DSDI110AV1 3BSE018295R1 replace DSDI 110 or DSDI 110A?
It can replace certain older DSDI 110 / DSDI 110A variants within S800 I/O systems, but only after confirming the termination base, channel mapping, and hardware configuration. It is not interchangeable with the older Advant S100 DSDI110A 57160001-AAA.
Q: How many inputs does this module provide?
The DSDI110AV1 3BSE018295R1 provides 16 digital inputs at 24 VDC. Some third-party listings mention 32 channels, but that description is inconsistent with the S800 I/O product family and should be verified carefully.
Q: What wiring mistakes cause the most trouble?
Wrong common wiring, reversed polarity, and missing termination base connections are the usual suspects. If a channel never changes state, check the field voltage first, then the termination wiring, then the module status indicators.
Q: Is this module tested before shipment?
Yes. Each unit goes through incoming visual inspection, label and order-code verification, connector and PCB inspection, insulation checks where applicable, functional rack testing when supported, and ESD-safe packaging.
Q: What warranty is offered?
A 12-month warranty is provided from the ship date, covering manufacturing defects and DOA failures. Damage from incorrect wiring, overvoltage, or improper installation is not covered.
