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07KT94 ABB
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07KT94 ABB

Original price was: $7,897.00.Current price is: $3,455.00.

When identified as the controller unit, the typical specs are:

  • Processor: 40 MHz
  • Memory: 256 KB (often cited as 128 KB RAM + 256 KB ROM with battery backup)
  • Power Supply: 24 V DC
  • I/O Capacity (varies by listing): Typically 24 Digital Inputs, 16 Digital Outputs, 8 Analog Inputs, and 4 Analog Outputs
  • Communication: Built-in CS31 bus interface; optional ARCNET interface (coaxial BNC) for networking. Some listings mention RS-232, Modbus, or Profibus DP.
  • Operating Temperature: Generally -20°C to +60°C, though some variants list -10°C to +60°C.
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Category: SKU: 07KT94 ABB
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    • Description

    Based on the search results, the ABB 07KT94 is a legacy component that has been produced in several variations over the years, which means its exact function depends heavily on the specific order code you have. The most important thing to verify is which system it belongs to and its actual role, as the same base model number has been used for entirely different hardware.

     

    Core Identity & System Compatibility

    The ABB 07KT94 is primarily associated with the Advant Controller 31 (AC31) and Advant OCS series, which are now obsolete platforms. However, the search results reveal three completely different product types sharing this model number:

    07KT94 ABB

     

    Legacy & Replacement Path

    ABB has issued an official AC31 Adapter program to replace these obsolete CPUs. The 07KT94 is listed as an existing device replaced by a new unit based on the AC500 platform (specifically PM590 CPU with DA501/DA502 I/O). The replacement device uses the Automation Builder software instead of the old AC31GRAF package.

     

    Critical Verification Points Before Sourcing

    The conflicting information across listings indicates a high risk of purchasing the wrong part. You must confirm the following with your supplier:

    1. Exact Order Code: The suffix (e.g., R3261, R3161, R0169) determines whether you are buying a rack, a CPU, or a relay.
    2. System Identification: Confirm whether your system is Advant Controller 31 (for the CPU) or AC 800M (for the I/O rack). These are not interchangeable.
    3. Firmware/Software Compatibility: If you are buying the CPU, verify that your existing project was developed in AC31GRAF (IEC 61131-3) or an earlier DOS-based tool, as the programming environment is locked to the legacy platform unless you migrate entirely to AC500.

    Because ABB officially lists the 07KT94 under a migration program to the AC500 series, sourcing the original unit means buying New Surplus or Refurbished stock from the secondary market, as active production has ceased.

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