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Performance based maintenance Plan and regular reading

SAP says that for performance based plan it is imporatnt to enter the current reading REGULARY, even if it has not changed. otherwise, the system genrates call objects based on estimated annual performance entered for the counter, even though the counter reading has not in reality been reached.

My question is what does REGULAR means? does it means weekly reading? or daily as suggested in post http://forums.sdn.sap.com/thread.jspa?threadID=2016488&tstart=0

My concern is daily zero value reading, isn't this an over kill and too much unneccessary data.

I will appreciate your views.

Regards

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  • Posted on Feb 16, 2012 at 04:09 AM

    hi

    we enter annual estimate for the purpose that system should calculate call dates based on daily reading & actual reading taken on measuring document that will yield actual dates.

    if u do not enter annual estimate & keep on entring reading in measuring doc system will calculate call based on reading achieved as mentioned in plan header...

    so if u know for the machine if it completes certail reading daily for certain no.of hours then for that situation maint,plan works properly

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    • Yes, this should be fine! When setting this only thing you need to make sure is that there will actually be a reading input before the the systems schedules the next Order.... So in fact you do not have to set an infinitesimally low Annual Estimate, just set one that is siginificantly smaller than what you'd expect the equipment to actually accumulate.

      E.g. a typical equipment that is in constant operation will typically accumulate about 8000 operating hours each year.So if your annual estimate is lower than that, e.g. 4000 EOH, you will have two years in which there is time to input a measurement document with an actual reading, before the next call is scheduled based off the estimate alone.

      Whenever you enter the actual reading, the next schedule and call date will be re-determined.

      Setting up a too small estimate might cause the error you described, and even if the calendar is sufficiently extended into the future now, this may become an issue later, when the scheduled dates start reaching past the calendar validity again!

  • Posted on Jan 01, 2014 at 06:46 AM

    Hint: When you start the performance-based maintenance plan, a smaller

    counter reading than that of the last measurement document can be

    entered. The reason for this is that by entering a smaller counter reading,

    a type of start in the cycle is achieved, that is, the first date can come

    earlier for the same cycle.

    Linganna ..

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