ABB NTDI01 Digital I/O Termination Unit

ABB DSDI110 Digital Input Board for Symphony Plus

ABB DSDI110 Digital Input Board for Symphony Plus

Availability: 10 left in stock

Product Overview The ABB DSDI110 serves as a high-density digital input interface for the Advant OCS and Symphony Plus control...

SKU: DSDI110

Manufacturer: ABB
Product No.: DSDI110
Product Type: S100 I/O System
Product Origin: Switzerland
Payment:T/T, Western Union
Weight: 440g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Product Overview

The ABB DSDI110 serves as a high-density digital input interface for the Advant OCS and Symphony Plus control platforms. This 32-channel board captures discrete signals from field devices, including limit switches, pushbuttons, and relay contacts. By converting 24V DC field voltages into logic-level data for the system bus, the DSDI110 enables real-time monitoring of industrial processes in power plants, refineries, and manufacturing facilities. We provide this unit as a 100% Brand New and Original spare part to ensure maximum system availability and compliance with factory specifications.

Technical Specifications

The DSDI110 utilizes opto-isolation to prevent field-side electrical disturbances from affecting the central processing unit.

Attribute	Specification Details
Model Number	DSDI110
Input Channels	32 Digital Inputs
Nominal Input Voltage	24 V DC
Input Current	Approx. 7 mA per channel
Isolation	2500 V DC Opto-isolation
System Compatibility	Advant OCS / Symphony Plus / S100 I/O
Form Factor	Euro-card (Standard Rack Mounting)
Operating Temperature	–25 °C to +55 °C
Storage Temperature	–40 °C to +70 °C
Gross Weight	0.44 kg
Country of Origin	Sweden

Engineering Advantages

The DSDI110 addresses critical industrial challenges through its robust electrical and mechanical design:

Eliminate Signal Interference: High-voltage transients and ground loops often plague industrial cabling. The DSDI110 employs 2500V galvanic isolation to decouple field circuits from the system backplane, ensuring that an electrical fault on a field switch does not crash the controller.
High-Density Monitoring: Providing 32 channels on a single Euro-card minimizes the physical footprint within the I/O cabinet. This density allows engineers to monitor extensive switchgear or complex valve manifolds without requiring excessive rack space.
Rapid Fault Identification: Integrated diagnostic LEDs provide immediate visual confirmation of channel status. Maintenance personnel can identify a failed sensor or broken wire at a glance, significantly reducing "Mean Time to Repair" (MTTR) during system outages.
Harsh Environment Resilience: The module operates reliably across a wide temperature spectrum (-25°C to +55°C). This durability makes it suitable for installation in non-climate-controlled remote instrument enclosures (RIE) common in the petrochemical industry.

FAQs

Is the DSDI110 hot-swappable in an S100 I/O rack?

While the mechanical design allows for insertion into the rack, you should always follow specific ABB system firmware guidelines. In many Advant OCS configurations, powering down the I/O subrack or disabling the slot via software is necessary to prevent bus contention and ensure the controller recognizes the new hardware correctly.

Can I use the DSDI110 with 48V DC signals?

No. The DSDI110 is specifically rated for 24V DC nominal input signals. Applying 48V DC may exceed the thermal limits of the input resistors and damage the opto-isolators. Please verify your field voltage before installation.

How does this module report faults to the controller?

The DSDI110 performs continuous self-checking. If the board detects internal logic failures or a loss of communication with the Modulebus, it triggers a system alarm in the DCS (Distributed Control System), allowing operators to respond to the hardware fault immediately.

Does this product come with a warranty?

As a Brand New and Original ABB component, this module includes our standard 12-month industrial warranty, guaranteeing performance against defects in materials and workmanship.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.