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  • Lifecycle status

    Discontinued / Obsolete by OEM
    Apter Power supports legacy sourcing, documentation, project review, and AC500 migration planning for 07KT94.

07KT94

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ABB 07KT94 is an AC31 Series 90 central unit for legacy PLC applications and documented modernization planning.
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Technical specifications for 07KT94

  • Manufacturer:
    ABB
  • Part Number:
    07KT94
  • Product Family:
    ABB Procontic
  • Product Type:
    AC31 Series 90 Central Unit
  • Stock:
    1
  • Controller Class:
    AC31 Series 90 central unit
  • Integrated I/O:
    Up to 60 points within the Series 90 platform
  • Programming Platform:
    ABB AC31 engineering environment
  • Mounting:
    35 mm DIN rail or screw mounting
  • Lifecycle:
    Obsolete; AC500 is the successor platform
  • Weight:
    1.6 kg
  • Estimated shipping dimensions:
    24x14x8.5cm
  • Tariff Code:
    8537101190
  • 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 AC31 Compatibility Project Recovery Retrofit Planning

Features:

  • Legacy AC31 controller: Designed for ABB Series 90 automation systems.
  • Integrated system role: Central processing and onboard resources support installed AC31 applications.
  • Migration context: ABB identifies AC500 as the successor platform for AC31.
07KT94 serves as the central unit in an installed AC31 Series 90 controller architecture.

Because wiring, software, and interface use can vary by installation, replacement decisions must start from the actual nameplate and project records.

A controlled modernization plan should preserve the original program and I/O behavior while validating any required AC500 migration changes.

Availability is subject to Apter Power's current inventory and sourcing confirmation.
07KT94 Manuals, Datasheets, and 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.
07KT94 AC31 Series 90 Central Unit Specifications

General

  • ManufacturerABB
  • Model07KT94
  • ConditionNew Original ready stock
  • Product FamilyABB AC31 Series 90
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.

Installed-system matching

  • Nameplate: Capture the complete controller identification.
  • I/O map: Record every local and remote channel.
  • Interfaces: Document connected networks and serial devices.
  • Cabinet: Compare mounting, connectors, and clearances.

Legacy project preparation

  • Program archive: Locate and verify the latest application backup.
  • Software environment: Record the engineering tool and project version.
  • Parameters: Preserve communication and retained-data settings.
  • Rollback: Keep the original controller and recovery steps available.

AC500 migration review

  • Functional scope: List control, timing, and diagnostic requirements.
  • Signal conversion: Compare I/O types, levels, and commons.
  • Communication: Map each legacy protocol to the new design.
  • Acceptance: Define staged testing before production handover.
Description
07KT94 belongs to ABB's AC31 Series 90 controller platform, combining central processing with integrated I/O and communication resources for legacy machine and process automation.

07KT94 is part of an obsolete ABB PLC family now succeeded by AC500. A dependable spare strategy therefore requires the exact installed identity, program archive, expansion layout, communication settings, and field-wiring records.

Before sourcing 07KT94, confirm the complete nameplate, supply and interface configuration, memory or program media, connected I/O, cabinet space, and the approved plan for repair, replacement, or migration.
Alternative Names
07KT94 ABB 07KT94 07 KT 94 07KT-94 ABB 07KT94 AC31 AC31 07KT94
Technical notes
07KT94 is an obsolete AC31 Series 90 central unit. Confirm the complete configuration, software archive, I/O layout, and communication interfaces before sourcing.
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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 should be backed up before replacing 07KT94?
Preserve the verified controller project, communication parameters, retained data, I/O map, software version, and a documented rollback procedure.
How should engineers verify 07KT94 compatibility with an installed AC31 system?
Compare the complete nameplate, power, interfaces, connected I/O, memory media, cabinet wiring, and the installed AC31 program and I/O arrangement.
Why might 07KT94 fail to resume communication after a hardware exchange?
Check the loaded project, controller address, protocol and baud settings, cable polarity, termination, peer status, and network diagnostics.
What information should a trade buyer include in a 07KT94 RFQ?
Provide controller identity, project archive, I/O map, communications, and cabinet records, required condition, quantity, delivery destination, and target date.
Can 07KT94 be replaced by an AC500 controller without software changes?
Do not assume direct replacement; I/O mapping, communication, application logic, electrical interfaces, diagnostics, and acceptance testing require engineering review.
How can a factory reduce downtime during 07KT94 replacement?
Label wiring, validate the spare offline, secure the project, prepare test steps, retain the original unit, and schedule a controlled rollback window.
Which records help troubleshoot recurring 07KT94 faults?
Collect controller indicators, power measurements, network diagnostics, I/O symptoms, event timing, environmental conditions, and recent maintenance changes.

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