Issue
What does it mean when a point goes "OLD" in I/NET?
Product Line
TAC INET
Environment
I/NET
Cause
Points are labeled as old when the value is invalid or the point is no longer communicating. Here are possible reasons a point shows up as "OLD" or "old data"
- The SubLAN or UC device is offline or not communicating. In this case all points on the device will show as "old data"
- Indirect points are flagged as "Old" anytime an update request is initiated and no response is received from the global point for 2 scan intervals.
- If the sensor on an input produces a number either lower than the low sensor limit or higher than the high sensor limit the point will go old.
- DDC control logic outputs a value out of range of the point
- SubLan Communication error
- Improper global level on sending controller
Resolution
The SubLAN or UC device is offline or not communicating. In this case all points on the device will ...
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