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Reduce PIR sensitivity when armed
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 Posted: Wednesday Aug 8th, 2018 09:42 am
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Pharris15
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Hi all, I use my PIR's for occupancy detection during the day so they are set to be sensitive, but I need to reduce the sensitivity when armed as they occasionally trigger a random alarm which I put down to insects. I looked at the VibrationAnalyse response but I am not sure how to implement this for the PIRs when the system is armed to night or away.
Any help would be appreciated.



 Posted: Wednesday Aug 8th, 2018 12:51 pm
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slychiu
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The Vibration Analyser Response works as below;

Timer 8 is for timing and counter 7 for counting

If at least  2 counts are detected within 30 seconds, the alarm is triggered

you can change the timer setting of 30 seconds and the count of 2 as you need


If Timer Timer08 = 0 Then
    Do NullResponse After 30 Seconds Using Timer08
    Set Counter007 = 0
End If
Increment Counter007
If Counter Counter007 >= 2 Then
    Stop Timer Timer08
Else
    Skip Alarm
End If


At each zone trigger, the timer 8 is started and count is reset if timer 8  was not running
The counter is incremented. If the value < 2 the a;arm is skipped
If the value is >=2 the timer is stopped and the alarm is not skipped, ie alarm is activated

To add the condition if security is armed then activate the analyser;

If SecurityMode <> SecurityOff

   If Timer Timer08 = 0 Then
       Do NullResponse After 30 Seconds Using Timer08
       Set Counter007 = 0
    End If
   Increment Counter007

   If Counter Counter007 >= 2 Then
       Stop Timer Timer08
   Else
    Skip Alarm
   End If
End if


Last edited on Wednesday Aug 8th, 2018 12:52 pm by slychiu



 Posted: Monday Aug 13th, 2018 11:37 am
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Pharris15
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Hi Slychiu and thanks, the problem I have now is that the zone still announces at every trigger but the alert isn't activated until two triggers (as set).Can the announcement only be made when the actual alert is triggered?
Thanks 



 Posted: Monday Aug 13th, 2018 12:44 pm
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slychiu
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That makes it more complicated, nut you can add the condition "Skip announcement" in the response. Skip announcement " will skip the announcement of the zone



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