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Question

Predicted value at maintenance - How the calculation works ?

  • February 26, 2026
  • 1 reply
  • 36 views

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Hello every one,

I want to use the IFS feature to be able to predicted the value of a counter type parameter to be able to generate ahead of time my condition based preventive WO.

I’ve done this simple test :

I added some values for my running hour counter :

And my PM action plan is updated like this : 

 

Do you know how this calculation work ? From what I understand :

  • There are two calculation method (interpolation and average) : how to choose ? 
  • What is the exact formula used ? I’ve tried to modelise a simple linear regression with my values but I don’t find the same result
  • There is a documentation (PM Plan) but it doesn’t seam up to date : I don’t find the “condition forecast configuration” mentionned in it

It will be mandatory in my current project to have these details to be able to make them validate by the maintenance methods department.

Thanks !

1 reply

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  • Do Gooder (Customer)
  • March 6, 2026

IFS are using the last five recorded measurements to interpolate the planned due date. You could use the WO Generation Lead Time to generate the Work Orders earlier than the planned due date.