IMDSI22
IMDSI22
IMDSI22
IMDSI22
IMDSI22
IMDSI22
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    Apter Power confirms input-voltage requirements and identification before preparing IMDSI22 supply options.

IMDSI22

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ABB IMDSI22 is a Harmony rack universal digital input module for 24/48/125 VDC and 120 VAC signals.
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Technical specifications for IMDSI22

  • Manufacturer:
    ABB
  • Part Number:
    IMDSI22
  • Product Family:
    ABB Bailey
  • Product Type:
    Universal Digital Input Module
  • Stock:
    1
  • Supported input voltages:
    24 VDC; 48 VDC; 125 VDC; 120 VAC
  • I/O architecture:
    Harmony rack
  • I/O bus:
    Harmony I/O expander bus
  • Weight:
    0.22 kg
  • Estimated shipping dimensions:
    3.5x31x17.6cm
  • Tariff Code:
    Please confirm the destination before shipping
  • Country of origin:
    Sweden
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Inputs Bus Retrofit

Features:

  • Universal digital input coverage across four documented voltage services
  • Harmony rack connection through the I/O expander bus
  • Discrete field-to-controller interface for legacy control cabinets
IMDSI22 provides one Harmony rack module identity for multiple digital-input voltage families.

Its universal label refers to the supported electrical services, not to unrestricted termination or wiring substitution.

A reliable retrofit starts with the cabinet point schedule and a measured field-voltage check.

Availability of IMDSI22 is subject to Apter Power's current inventory and sourcing confirmation.
IMDSI22 Universal Digital Input Module Manuals, Datasheets, Links Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
IMDSI22 Universal Digital Input Module Specs

General

  • ManufacturerABB
  • ModelIMDSI22
  • ConditionNew Original ready stock
  • Product FamilyHarmony Rack I/O
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

Voltage-family review

  • 24 VDC: verify source, common, and field-contact arrangement.
  • 48 VDC: retain the documented circuit segregation.
  • 125 VDC: confirm cabinet safety and wiring practices.
  • 120 VAC: preserve AC separation and approved terminal design.

Rack communication

  • Slot identity: record the mounting-unit position.
  • Bus connection: inspect the I/O expander-bus path.
  • Controller mapping: reconcile point addresses before startup.
  • Diagnostics: review module status before field testing.

Legacy input handover

  • Conductor tags: label every field wire before removal.
  • Termination match: confirm the existing unit and cable.
  • State proof: test open and active field conditions.
  • Drawing update: record any corrected terminal assignment.
Description
IMDSI22 is an ABB Harmony rack universal digital input module covering 24 VDC, 48 VDC, 125 VDC, and 120 VAC field-signal services. It uses the standard Harmony rack I/O and expander-bus architecture.

The broad voltage coverage lets IMDSI22 serve discrete inputs across different cabinet designs, but it does not remove the need for exact point engineering. Field voltage, termination, and controller assignment must remain aligned for every circuit.

For a planned IMDSI22 exchange, compare the installed signal schedule with the documented voltage families and retain conductor labels before transfer. The replacement should be proven from the field contact through the controller indication.
Alternative Names
ABB IMDSI22 IMDSI 22 IMDSI-22 ABB Bailey IMDSI22 Harmony IMDSI22
Technical notes
IMDSI22 supports several documented input-voltage families, so identify the actual service—24 VDC, 48 VDC, 125 VDC, or 120 VAC—before moving wiring. Preserve the Harmony rack slot, termination path, channel assignment, and expander-bus records; voltage-family coverage does not make different documented cabinet commoning schemes automatically interchangeable.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What makes IMDSI22 a universal digital input module?
ABB lists support for 24 VDC, 48 VDC, 125 VDC, and 120 VAC digital-input applications within the Harmony rack family.
Does IMDSI22 eliminate the need to check field voltage?
No. The actual circuit voltage and termination design must be identified before the channel is wired or commissioned.
What records reduce risk during an IMDSI22 retrofit?
Keep the rack position, point list, field-voltage schedule, conductor tags, terminal map, controller database, and acceptance-test sheet.
How can engineers troubleshoot a missing state on IMDSI22?
Trace the field contact, source voltage, common, terminal continuity, rack status, expander-bus communication, and controller point assignment.
What should a supplier know when quoting IMDSI22?
Provide the cabinet application, voltage family, termination hardware, quantity, condition requirement, destination, and required shutdown delivery date.
Can IMDSI22 move to another rack slot without configuration work?
Do not assume so; slot and controller point assignments belong to the installed architecture and must be reconciled before startup.
What acceptance test is appropriate for IMDSI22?
Exercise each field contact and confirm the corresponding controller state while observing the site’s electrical and interlock procedures.