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ABB 07KR51
ABB 07KR51
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AC31 Series 50 basic unit

07KR51

Spare Part Number

PN1SBP260010R1001

Product Information:

ABB 07KR51 is an AC31 Series 50 basic unit with eight 24 V DC digital inputs, six relay outputs and an integrated CS31 bus interface for distributed I/O. The 1SBP260010R1001 version uses a 24 V DC supply and supports local expansion through up to six connected I/O units. Serial communication, real-time clock and retained controller programming must match the installed application.

Product image is representative; revision or series may vary. Contact us to request a specific version.
  • One-year warranty
  • Global shipping
  • Exact-model verification
    • PRODUCT OVERVIEW

      What is this product?

      ABB 07KR51, order number 1SBP260010R1001, is a 24 V DC AC31 Series 50 basic unit combining eight digital inputs, six relay outputs, serial communication, real-time clock and an integrated CS31 fieldbus. The controller supports local I/O expansion with up to six extension units and distributed I/O through the documented AC31 architecture. Exact supply version, field wiring, bus addressing and the retained application must be matched before replacement.

      Official source

      ABB AC31 ordering data and the official Advant Controller AC31 operating manual document the 07KR51 I/O, memory, supply and expansion capabilities.
    • APPLICATIONS

      Where it may be used

      Use this controller only in a verified AC31 Series 50 installation. Confirm supply version, relay loads, CS31 station addresses, local extensions and the saved program before commissioning.

      Compact Machine Control

      Combines logic execution, eight digital inputs and six relay outputs in one AC31 basic unit.

      CS31 Remote I/O Master

      Coordinates documented distributed expansion through the integrated CS31 bus interface.

      Local I/O Extension

      Adds up to six compatible digital or analog extension units through the central extension interface.

      Legacy PLC Replacement

      Restores an installed Series 50 controller while preserving the original program and I/O mapping.
Technical specifications for

07KR51

0 TECHNICAL PARAMETERS
  • Manufacturer:
    ABB
  • Product Category:
    PLC and Machine Control
  • Spare Part Number:
    1SBP260010R1001
  • Product Type:
    AC31 Series 50 basic unit
  • Digital Inputs:
    8 Inputs
  • Input Voltage:
    24 V DC
  • Digital Outputs:
    6 relay outputs
  • Relay Rating:
    Up to 250 V AC, 2 A
  • Program Memory with Online Changes:
    17 kB
  • Program Memory without Online Changes:
    34 kB
  • Supply Voltage:
    24 V DC
  • Fieldbus Interface:
    Integrated CS31 bus
  • Serial Interface:
    RS232 or RS485 for programming and communication
  • Local Expansion:
    Up to 6 digital or analog I/O extension units
  • Distributed Expansion:
    Approximately 1000 I/O
  • Real-Time Clock:
    Integrated
  • Stock Availability:
    10
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  • 04

    Confirm the order

    Accept the quotation in writing and complete the required payment before shipment.
  • 05

    Pay by bank transfer

    Pay the full invoiced amount by bank wire in RMB/CNY, GBP, EUR or USD using the official invoice details.
  • 06

    Verify and dispatch

    The item receives a pre-shipment inspection and suitable protective packaging. Functional testing is performed only where appropriate equipment and procedures are available for the specific item. We confirm the applicable inspection scope and provide tracking after dispatch.
BUYER INFORMATION

Product condition level information

Commercial details are confirmed in writing before payment.
  • 01

    Factory Sealed

    Unused product with the original factory seal intact; packaging age or storage marks may still be present.

  • 02

    Original Pack

    Unused product in original manufacturer packaging that was not originally factory sealed.

  • 03

    Factory New

    New and current product sourced through the manufacturer or authorized supply channel when expressly confirmed in the quotation.

Alternative Names

07KR51 07 KR 51 07-KR-51 1SBP260010R1001 07KR51 1SBP260010R1001

Information

Overview Manuals I/O Configuration CS31 Expansion Startup Checklist

Features:

  • Eight 24 V DC digital inputs and six relay outputs in an AC31 Series 50 basic unit.
  • Integrated CS31 bus and serial communication for local and distributed control architectures.
  • Supports six local extension units plus real-time clock and documented program memory.

Selection must match order 1SBP260010R1001, the 24 V DC supply and the installed controller program.

Official source: ABB AC31 ordering data and the official Advant Controller AC31 operating manual document the 07KR51 I/O, memory, supply and expansion capabilities.
07KR51 technical documentation and verified Moore Automated resources.

Important Notice: Confirm the complete model, revision and installed system before replacement.

The 1SBP260010R1001 version provides eight 24 V DC digital inputs and six relay outputs. Field voltage, common wiring and relay load must be checked before transfer.

The integrated CS31 bus supports distributed I/O, while the local extension interface accepts up to six compatible digital or analog extension units.

Verify supply polarity, I/O commons, relay loads, serial settings, CS31 addresses and the restored program before returning the controller to automatic operation.

Technical notes

ABB 07KR51 1SBP260010R1001 is a 24 V DC AC31 Series 50 basic unit with eight digital inputs, six relay outputs, an integrated CS31 bus, serial communication and a real-time clock. Replacement requires verification of supply version, relay wiring, extension-bus connections, CS31 addressing and the retained program before the controller is returned to service.

24 VDC Input and Relay-Load Verification

Engineering check: Confirm 07KR51 receives a stable 24 V DC supply. Prove all 8 Inputs input circuits and verify each of the 6 relay outputs outputs is connected to a load within the documented Up to 250 V AC, 2 A rating.

Program-Memory and AC31 Startup Test

Acceptance test: Restore the approved AC31 application within the documented program-memory capacity, check I/O addressing and retained data, then perform a controlled cold start and verify scan execution, relay states and fault diagnostics.

Customs & shipping dimensions / weight

  • Packed shipping dimensions
    65 × 93 × 85 mm (width × height × depth)
    Use the official product dimensions as a reference; packed dimensions are confirmed after final packing.
  • Packed shipping weight
    0.29 kg net product weight
    Packed shipping weight is confirmed after final packing.
  • HS / customs code
    85389099
    Verify the applicable classification for the destination before shipment.
  • Country of origin
    France
    Confirmed in the referenced ABB product record; verify against the supplied item documents.
  • Ships from
    Xiamen, Fujian, China
    Dispatch location is confirmed in the written quotation.
  • Customs documents
    Confirmed for the destination
    Available document scope is stated in the written quotation.
PRODUCT & ORDER FAQS

Questions buyers ask about 07KR51

  • How is this 07KR51 version identified?

    Verify 07KR51 together with order number 1SBP260010R1001, the 24 V DC supply version, relay outputs and the installed AC31 Series 50 rack connections.
  • What built-in I/O does 07KR51 provide?

    ABB lists eight 24 V DC digital inputs and six relay outputs for this version.
  • Can 07KR51 support remote I/O?

    Yes. The Series 50 basic unit has an integrated CS31 bus interface and supports distributed expansion in the documented AC31 architecture.
  • What should be checked during replacement?

    Confirm supply polarity, relay load ratings, CS31 addressing, local extension cable, serial settings and the retained application before startup.
  • Is 07KR51 stock available?

    Moore Automated confirms the available quantity and supplied condition in writing before quotation.
  • What warranty is provided?

    The supplied 07KR51 includes a one-year Moore Automated warranty with condition and inspection details stated in the quotation.
  • How quickly can 07KR51 ship?

    The listing is configured for three-day fast dispatch after stock, inspection and destination details are confirmed.
  • Which ABB documents support this listing?

    The data comes from ABB AC31 controller ordering information and the official Advant Controller AC31 operating manual for 07KR51.
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  • Documentation available

    Product photos, packaging photos, certificates and datasheets can be provided when available.
  • Clear commercial terms

    Condition, warranty, lead time, included items and shipping terms are stated clearly in writing.
  • 20+ years of experience

    Over 20 years of experience in industrial automation and hard-to-source legacy parts.
  • Product Lifecycle Stage

    Classic / Legacy product

    Moore Automated supplies high-quality ABB 07KR51 replacement controllers and AC31 spare modules. The exact order number, power version, I/O wiring and program are checked before supply to reduce commissioning risk and production downtime.

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Moore Disclaimer: Moore Automated's sales automation equipment and related solutions are intended for industrial automation and business operational efficiency improvement purposes only. Product information, technical parameters, and application cases are for reference only and do not constitute an absolute guarantee of performance for any specific industry, scenario, or final application. Actual equipment performance may vary depending on factors such as the usage environment, system integration method, and maintenance conditions. Users should confirm compatibility and safety based on professional technical assessments. Moore Automated assumes no liability for any direct or indirect losses caused by improper use, modification, or failure to operate according to specifications, to the extent permitted by law.

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