Book Contents

Causes of run-time errors for alarms

At run time the application logs an error about alarms to the diagnostics list if:

  • The value for a trigger connection tag or expression is a string
  • Message to Tag is set to True, but no tag has been assigned
  • The message connection is assigned to an analog or digital tag and the alarm message being written out contains non-numeric characters
  • The message connection is assigned to an analog tag and the message being written out is a numeric value outside the tag's maximum/minimum range
  • The message connection is assigned to a digital tag and the message being written out is a numeric value other than 0 or 1

See also

About alarms

The Alarm Setup editor