DiagnosticActive
Diagnostics Active
Allen-Bradley · Compact 5000 I/O Analog Modules
What does DiagnosticActive mean?
This boolean tag indicates that one or more diagnostic conditions are currently active within the module. A value of 1 signifies an active diagnostic, which could be an Open Wire, Over Temperature, Field Power Off, or Underrange/Overrange condition. It recommends troubleshooting to determine the specific trigger.
Common Causes
- Open Wire condition detected
- Over Temperature condition detected
- Field Power Off condition detected
- Underrange/Overrange condition detected
Repair Steps & Checklist
Click steps to track your progress.
- 1
Troubleshoot the module using the Logix Designer application to identify the specific diagnostic condition that is active (e.g., check channel status tags for Open Wire, Over Temperature, etc.).
Verified technical data. Last updated: March 2026
Related Faults
Source: Allen-Bradley Compact 5000 I/O Analog Modules