Overflow; histogram overflow

What does F00F mean?

An overflow condition has occurred, specifically noted as a histogram overflow. For PLC-3 systems, this indicates a histogram overflow that has exceeded its capacity.

• Overflow
• Histogram overflow
• PLC-3 histogram overflow

Click steps to track your progress.

1. 1

   Verify controller major and minor fault details and diagnostic logs in Studio 5000 for specific information related to the F00F error, module, or tag involved.

2. 2

   Identify application logic (e.g., routines, AOIs, programs) that implements data collection, trending, or statistical analysis functionality resembling a histogram within the Logix 5000 project.

3. 3

   Inspect data array sizes, buffer limits, and data types configured within the identified application logic to ensure they can accommodate expected data volumes.

4. 4

   Monitor Logix 5000 controller memory and processor utilization via Studio 5000 to determine if resource limitations are contributing to the overflow condition.

5. 5

   Verify the execution frequency or triggering conditions of the data collection logic to ensure data is not being generated or processed faster than the system can handle.