ABB SPDSI22 Symphony Plus Digital Input Module

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Manufacturer: ABB
Product No.: SPDSI22
Country of origin:Sweden
Product Type: Digital Input Module
Barcode: 85389081
Payment: T/T, Western Union
Weight: 850g
Dimensions: 410 mm x 320 mm x 110 mm
Shipping port: Xiamen
Warranty: 12 months

The ABB SPDSI22 is a high-density, high-performance Digital Input Module engineered for the Symphony Plus distributed control system architecture. Functioning as an integral component of the S+ HR I/O (Harmony Rack) range, the ABB SPDSI22 provides 16 universal digital input channels designed to monitor field contact states across varied voltage levels including 24 VDC, 48 VDC, 125 VDC, and 120 VAC. Equipped with 32 onboard hardware configuration jumpers, this module delivers elite field flexibility by allowing automation engineers to perform precise hardware selection for independent group-common routing, wetting voltage matching, and isolated circuit configurations directly on the printed circuit assembly.

Features

16 Universal Input Channels: High-density architecture supports multiple field contact inputs within a single slot chassis profile.
Comprehensive Voltage Adaptability: Handles distinct threshold inputs across 24 VDC, 48 VDC, 125 VDC, and 120 VAC systems seamlessly.
32 Hardware Configuration Jumpers: Onboard physical jumpers permit direct hardware modifications for loop routing and channel isolation.
Symphony Plus Backplane Interface: Direct coupling to the Harmony Rack communication bus guarantees real-time signal transmission and continuous module diagnostics.

Applications

Power generation plant substation status tracking, main breaker position reporting, and disconnect switch monitoring.
High-voltage 120 VAC or 125 VDC motor control center (MCC) safety feedback loop integration.
Sequence of Events (SOE) precision contact logging and safety interlocking networks in process industries.
Critical dry or wet field contact tracking under extreme electrical noise or ambient temperature constraints.

Technical Specifications

Manufacturer	ABB
Product ID	SPDS122
ABB Type Designation	SPDS122 (SPDSI22 Software Profile)
Channel Type	DI (Digital Input)
Number of Input Channels	16 Channels
Supported Input Voltages	24 VDC, 48 VDC, 125 VDC, 120 VAC
Hardware Adjustments	32 Selection Jumpers
Product Net Depth / Length	73.66 mm
Product Net Height	358.14 mm
Product Net Width	269.24 mm
Product Net Weight	0.85 kg (Calculated)
Package Dimensions	410 mm x 320 mm x 110 mm (Calculated)
WEEE Category	5. Small Equipment (No External Dimension More Than 50 cm)
Customs Tariff Number / HS Code	85389081

Connections and Interfaces

Module Jumper Identification	Functional Circuit Assignment & Jumper Mapping
Jumpers J1 through J16	Dedicated channel-level hardware routing blocks corresponding directly to digital input loops 1 to 16. Used to define configuration parameters for specific field return potentials.
Jumpers J17 through J32	Input threshold selection and secondary logic grouping paths. Determines isolation boundary limits and sets voltage classification settings across the field bus link.
Rear PCB Card-Edge Pins	Connects directly to the Harmony Rack subrack communication bus. Signals are routed from the backplane assembly down to the physical terminal blocks on the paired external Termination Unit (TU).

Empirical Engineering Insights

Alternative Models & Compatibility

While catalog systems and logical design files list this asset under the model reference SPDSI22, the factory product tracking stamp explicitly identifies the hardware module code as SPDS122. These designations represent identical mechanical and electrical assemblies. When installing into existing systems, confirm your Composer software version supports the expanded multi-voltage attributes assigned to the module layout.

Application Pitfalls & Engineering Notes

When deploying this module for high-voltage monitoring, specifically 125 VDC or 120 VAC loops, internal power dissipation via the circuit's current-limiting resistors increases significantly. If multiple adjacent channels remain continuously energized under maximum voltage parameters within unventilated control enclosures, thermal build-up can accelerate component degradation. Maintain proper vertical cooling clearance around the Harmony Rack frame.

Commissioning & Wiring Tips

The 32 onboard configuration jumpers must be physically set and audited utilizing long-nose pliers prior to sliding the card into the live chassis slot. Running a high-voltage loop into a channel jumpered for a 24 VDC circuit path can lead to immediate optocoupler failure or trace damage. Field wiring terminal mapping is dictated entirely by the type of external Symphony Plus Termination Unit (TU) mated to the slot location.

Installation Guidelines

CRITICAL WARNING: Isolate all field wetting supplies and lock out external high-voltage signals (especially 120 VAC or 125 VDC connections) before handling the module. Inserting or extracting an incorrectly jumpered card under live loop conditions can cause cross-conduction, dangerous arc flashes, or localized logical bus damage.

Cross-reference loop schematic drawings and set all 32 configuration jumpers to match the intended channel input voltages before insertion.

Align the top and bottom edges of the printed circuit board assembly evenly with the guide rails inside the assigned subrack slot.

Push the module backward smoothly until the card-edge interface registers and fully couples with the rear backplane data bus.

Tighten the module front-plate captive screws completely to verify frame grounding continuity and prevent loose connections under field vibration.

Key Features:

#Digital Input Module #Symphony Plus

Product Documentation

Technical Datasheet (PDF) Complete specifications and technical drawings.

Why does my module display the product identifier SPDS122 instead of SPDSI22?

The physical hardware label reads SPDS122, which corresponds directly to the functional module definition software profile referred to as SPDSI22 within your control system engineering environment.

How do the 32 selection jumpers split across the 16 input channels?

Jumpers J1 through J16 manipulate dedicated configuration paths for individual digital input channels 1 to 16, while jumpers J17 through J32 define internal threshold routing and circuit loop references.

Can I process a mix of both AC and DC voltages on a single card?

Yes. Because every channel can be adapted independently via its corresponding onboard jumper pins, you can manage varied input profiles provided they follow proper isolation constraints outlined in your termination unit drawings.

Global Express Shipping

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Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
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Returns & Warranty

30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).

For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Color pattern	Green
Country of origin	Sweden
Power source	DC Power AC-powered

ABB SPDSI22 Symphony Plus Digital Input Module