Planning time fence vs total lead time

Hi Gurus,
we have a scenario like the below in the unconstrained plan. Trying to understand various dates on the PWB. could you please explain.
1. Item is a Make item and it's planning time fence attribute is set as Total Lead time.
2. Processing lead time of the item is 25 and fixed lead time is 2
3. ASCP is suggesting a planned order on PTF date which is exactly 25 days from now.
4. But the suggested start date of the order is only 2 days less than the suggested due date. This is the point we are not able to understand. We have set the processing lead time as 25 so, isn't the planned order not supposed to have the start date as today?
Thanks
Mahesh

Dear,
Please refer this link,
[Planning time Fence|Planning time fence]
For sales order will convert to a specific production order use CO08 here define order type as ZP04.
OPKP ( Production Scheduling Profile) whether ZP04 is assigned under Order Type or not.If not maintain the same and then assign the same Production Scheduling Profile in Material Master in Work Scheduling view.
Also in In OPPQ or OPPR you have to define order type as ZP04 under conversation indicator use when in MRP run MD50.
Please try and come back
Regards,
R.Brahmankar

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Hi, I am on ver 11.5.10.5. We are using MDS and MRP here.
Trying to understand the right meaning of planning and release time fences , so that I can define the right time fences in the item attributes.
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HI Marius
It is good notes
But i am facing problem with my only finished material ,all my sub assembly materials are having fixed planned orders but finished material planned order is getting changed
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Note
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Hi, I am on ver 11.5.10.5. We are using MDS and MRP here.
Trying to understand the right meaning of planning and release time fences , so that I can define the right time fences in the item attributes.
My cumulative manufacturing lead time for top assembly is 12 days. Should this be the planning time fence.(12) ?
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Hello
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Planning time fence vs total lead time

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