I x .DF1.DiagnosticActive

DF1 Diagnostic Active

Allen-Bradley · Compact 5000 I/O Serial Module

What does I x .DF1.DiagnosticActive mean?

This boolean tag for module 'x' indicates that one or more diagnostic conditions are currently active or that a prognostic threshold has been reached within the DF1 channel. A value of 1 signifies an ongoing diagnostic event, which means a problem or potential problem exists, requiring further investigation to identify the specific issue.

Common Causes

  • Detection of a distinct diagnostic condition (e.g., communication error, internal hardware issue) by the module 'x'.
  • Prognostics threshold reached, indicating a potential impending failure or performance degradation within the DF1 channel.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Monitor the `I x .DF1.DiagnosticSequenceCount` tag to identify when new diagnostic events occur or resolve.

  2. 2

    Access and review the module's diagnostic logs within the Logix Designer application for detailed event descriptions and timestamps related to channel 'x'.

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Verified technical data. Last updated: March 2026

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Source: Allen-Bradley Compact 5000 I/O Serial Module