on 06-18-2015 7:29 AM
Dear PP Experts,
Please help me with the following question regarding the Scheduling of Operation:
Capacity Data: Available Capacity = 8 Hours. Relevant for Finite Scheduling is ticked. In Routing the Time Entered is 16 Hours against the Assembly Operation based on which the scheduling/Capacity requirements are calculated.
When i run MRP and convert the Planned order to Production order, I anticipate that the Processing time which is calculated based on the Assembly operation hours should be 16 Hours/8 Hours = 2 Days but system is calculating 16 Hours/24 Hours = 0.7 Day. Why is the system ignoring the Available Capacity when i am scheduling my Operation. Kindly Provide your valuable Inputs
Hi Ramalingadas,
Convert the day's into hours. In one case you are checking in hours and other you are checking in days. Check the dates proposed in produciton order.
Regards
Rahul
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Dear All,
Thanks again for all your replies. Just wanted to confirm my Understanding with you. Please correct my understanding if it is wrong
The Processing activity takes 16 Hours to Complete. Considering that my Work Timings in the Capacity tab are set to 8 Hours and also the processing time is always calculated in Days... would this activity get completed in 2 Days or 0.7 Day ?
SAP Is calculating it to 0.7 Days but my expectation is that it should schedule this operation 2 days from the Operation Start Date/Time. See SAP Help below:
http://help.sap.com/saphelp_470/helpdata/en/7e/d419eb455911d189400000e8323c4f/content.htm
Regards
Ram
Hello,
Duration would be 0.7 Day = 16 Hrs and 2 Days will be the scheduling time.
So please check the scheduling start and end time. I don't think there is any issue with capacity calculation scheduling in your case.
Or use Hours HR as unit of measure then you will have duration as 16 HRs and scheduling will be for two days.
Which will be same as SAP example as per the link provided by you.
Best Regards,
R.Brahmankar
Dears,
I just did a test by making the UOM of all the Activities inside the operation from "Days" into "Hours" and it seems to correctly Schedule the order. If one of the Activities was Day then the Activity UOM inside the Operation is also set to DAY probably because that is the largest of the time units.Having hours across all the Activities help and avoids confusion due to the Conversion from Hours to Days. I am going to test more and conclude on this.
Thanks so much for your inputs
Regards
Ram
Ramalindadas,
Hope you have assgined same WC to your operation 0010 which is showing in above snap shots.
Please share the WC Scheduling formulae for same WC.
BR
KK
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Firstly thanks to Rupesh and Kiran so much for your prompt response. I have setup the Active version and Re-ran MRP with Lead time scheduling. Still i see that the Processing time is calculated as 0.7 Day instead of 2 Days.
I Checked the ZP01 Key..It has the Capacity Requirements ticked in OP00
It still looks like it is ignoring the Avl Capacity
Hello,
ZP01 control key is also mark for Scheduling too?
What is formula for capacity calculation?
Can you check operation start and end time?
0.7 days meas 24X0.7= 16 HRS which is correct.
Go to your production order operation details screen in Dates tab please check the operation start and end time and duration.
Best Regards,
R.Brahmankar
Hello,
Please check your control key ZP01 in OP00 mark for scheduling and capacity requirement.
In CR02 capacity Active version = 01 Normal capacity.
Also check the formula in work center for capacity and scheduling.
Best Regards,
R.Brahmankar
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