0032

SQO/SQC/SQL OUTSIDE OF DATA FILE SPACE

Allen-Bradley · MicroLogix 1400 Programmable Controllers

What does 0032 mean?

A sequencer instruction (SQO - Sequencer Output, SQC - Sequencer Compare, or SQL - Sequencer Load) has a length or position parameter that attempts to reference memory locations outside of the entire data file space. This is a recoverable fault, indicating an out-of-bounds memory access error in the program.

Common Causes

  • Length or position parameter in a sequencer instruction (SQO, SQC, SQL) is misconfigured.
  • Sequencer instruction attempting to read or write data beyond the bounds of its designated data file.
  • The data file size defined for the sequencer is too small for the programmed length/position.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Correct the program to ensure that the length and position parameters of SQO, SQC, and SQL instructions do not point outside the defined data file space.

  2. 2

    Recompile and reload the corrected program into the controller.

  3. 3

    Enter the Run mode after the program is successfully reloaded.

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Verified technical data. Last updated: March 2026

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Source: Allen-Bradley MicroLogix 1400 Programmable Controllers