Babar

ACE Calculation reads 'No Data' from input tags

Discussion created by Babar on Mar 26, 2013
Latest reply on Mar 28, 2013 by xwang

After a recent upgrade to PI ACE2010, some of our calculations write erroneous values to output tags. The output values could be 'No Data' or Calc Failed based on the way code is written. We have noticed that at that specific time, ACE reads all or some of the input values as 'No Data' although in PI, all values are legitimate ones.

 

Any ideas, whay would ACE read values as No Data? Is there a short term solution to snub the wrong outputs going to the system? Currently I have put the output write in a try/catch block with SendDataToPI equal to false.

 

Thanks,

 

Babar Shehzad 

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