Connections to AC450 PC Elements
Hello,
We are seeing a occasional alarm from a Valvecon that references IB4. There are no connections to IB4 (And no IB4 Text assigned in the DB element). Looking a little deeper, I find that some of our non connected I/P's to our Valvecons/Pidcons & Motcons are set to '1' and some are 'D=1'.
Is it possible that the IB4 (currently set to 1) is dropping out, resulting in the default property text appearing?
Is it best practice to have these unconnected I/P's all set to 'D=1'
Thanks very much,
Tim
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Answers
> Is it possible that the IB4 (currently set to 1) is dropping out, resulting in the default property text appearing?
No
Digging deeper ...
-- Is this Advant OS or 800xA ?
-- What is the name of the Element that is creating the alarm ? Debug that element and don't bother looking at other valvecons unless they have the same name. (Which should not be possible in an AC450 unless somebody played with system commands)
-- Have you got SoftAlarms or Alarm Expressions configured ?
It turns out that there is a discrepency between the Valvecon Event Text settings in the AC450 & the Advant Master for 800xA. Originally our Event_'x' (IB1 - IB4) had 'Line No. in Event Treat' 13,14,11,12 assigned respectivly. With 800xA, that changed to 11, 12,13 & 14. We will need to edit that particular event to correct the issue.
Thanks for your suggestions.
by TJT Rank: 747 on 3/1/2017 11:01:27 AM | Like (0) | Report
Thanks for clarifying the difference. What about the issue where we receive the default property text 'BInterl4' when there is no connection to IB4?
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