00D3

Block-transfer length mismatch

Allen-Bradley · Logix 5000

What does 00D3 mean?

The scanner requested a specific data length, but the block-transfer module responded with a different length. This indicates an inconsistency in the data transfer size.

Common Causes

  • The scanner requested a length and the block-transfer module responded with a different length

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the configured data length for the specific communication module or message instruction within the Logix 5000 controller's program.

  2. 2

    Verify the configured data block size on the responding block-transfer module or device, using its dedicated configuration tool or settings.

  3. 3

    Compare the requested data length from the Logix 5000 with the actual data block size of the responding module and identify any discrepancies.

  4. 4

    Inspect the data types and array sizes of the associated tags in the Logix 5000 program to ensure they align with the expected block transfer length.

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Verified technical data. Last updated: March 2026

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