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SPDSI14 Digital Input Module ABB

SPDSI14 Digital Input Module ABB

Product Description

The SPDSI14 is a 16-channel digital input (DI) module for the ABB Symphony Plus (S+) and Harmony Rack systems, designed to provide robust, high-fidelity monitoring of discrete field signals. It accepts inputs from...

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SKU: SPDSI14
Vendor: ABB
Category: Digital Input Module
Related Series:

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Product Description

The SPDSI14 is a 16-channel digital input (DI) module for the ABB Symphony Plus (S+) and Harmony Rack systems, designed to provide robust, high-fidelity monitoring of discrete field signals. It accepts inputs from limit switches, pushbuttons, relay contacts, and other binary devices. The module operates nominally at 48 VDC but accommodates a wide 24–60 VDC input range, making it adaptable to diverse industrial power systems.

Engineered for industrial reliability, the SPDSI14 features 1.5 kVDC galvanic isolation between field inputs and control logic. Its jumper-free design simplifies installation, while front-panel LED indicators offer immediate status feedback for each channel, improving both commissioning and maintenance efficiency.

Technical Specifications

Parameter Specification
Part Number SPDSI14
System Family Symphony Plus / Harmony Rack
Module Type Digital Input (DI)
Channel Count 16 Isolated Inputs
Nominal Input Voltage 48 VDC
Operating Voltage Range 24–60 VDC
Input Logic Resistive or Capacitive sensing compatible
Isolation 1500 VDC (Field-to-Logic)
Mounting Plug-in module; DIN rail compatible
Dimensions (H × W × D) 73.66 × 358.14 × 266.7 mm

Application & Use Cases

  • Power Generation: Monitoring breaker status and protective relays.

  • Water & Wastewater: Pump station control and tank-level switching.

  • Oil & Gas: Emergency shutdown (ESD) inputs and valve position monitoring.

  • Heavy Manufacturing: Conveyor synchronization and safety interlocks.

FAQ

Does the SPDSI14 require manual jumper settings?
No. The module supports software-based configuration, allowing plug-and-play installation without physical jumpers.

Why is 1.5 kVDC isolation important?
High isolation prevents ground loops and protects the controller from field-side voltage transients, enhancing system reliability and MTBF (Mean Time Between Failures).