Implementing Release Time Fence in ASCP

we are using unconstrained ASCP and we have to implement Release Time Fence, so that purchase requisitions & Work orders can be released automatically through ASCP.
which Profile needs to be changed & what other necessary action to be taken before implementing it?
Pls guide!!

Hi,
Below are some of the causes.
1. Check if they are configured items. if so, then make sure in the Tools/Preferences - Other tab - In the Supply Demand Region the check box Release Configurations is enabled.
2. Check the WIP Supply Type of item and if its phantom then make sure in Tools -> Preferences -> Other -> Release Phantoms check box is enabled.
3. Make sure the order type is Planned Order and not Planned order Demand.
4. Also check if these planned orders are for MPS/MPP planned items and are from some other demand schedule plan. If so, then ensure
MSC: Allow MRP Release of Planned Orders from Demand Schedule Plan profile is set to Yes.
5. Is that planned order shown in pink color.
Thanks,
Abhishek Sharma
Please mark the post correct or helpful, if answered

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PLANNING TIME FENCE and RELEASE TIME FENCE

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) ?
Time taken to run MRP (1 hr) and manually release all planned orders to PO or WIP is 4 days. So should 4 days be the release time fence. Auto relase feature is not being used.
Am I on the right track here , or is the track totally missing?

James,
The Planning Time Fence is the point that you want no new planned orders to be created prior to. In MRP this was based on the suggested dock date for (buy) orders and suggested due date for (make orders). Whatever you set the value to, no new planned orders will get created earlier than date.. even in an unconstrained plan
So as a practical point, how far ahead do you want to create your WIP jobs? If you are creating WIP jobs now for next week and your build LT is 5 days, you may want to be a user define value of at least 5 days. This would put the suggested due date of the planned order on day 6 (5days + today), the suggested start date would be today. You can also add a pre-processing lead time to make the suggested order date earlier and monitor that value. I would test these, understand the attributes and the resulting dates and determine the right value.
The Oracle ASCP User Guide has a good description of lead times that you should review on page 6-90. Most of this information is the same as old MRP, but some has changed. You can also review the inventory user guide to get a description of these attributes.
If auto release is not used, the auto-release item attribute is not used.
Regards,
Kevin

Internal Transfer, BOD, Planning Time Fence and ASCP Reschedule suggestion

Hi,
we've an ASCP plan with 5 ORG. We've many items with BOD like this one:
BOD of ITEM X:
ORG 1 BUY
ORG 2 TRANSFER FROM ORG 1
ORG 3 TRANSFER FROM ORG 1
Using this rule, we set PLANNING TIME FENCE for Buy items, at about 0,7 * LEAD TIME (from the approved supplier list) in BUY ORG (S01 in this example)
and PLANNING TIME FENCE = 0 in TRANSFER ORGANIZATION.
Sometimes, we release Internal Requisition to transfer item in excess from other organization to organization S01 to avoid Purchase Order not needed. In this case, the plan will suggest to reschedule OUT the internal requisition and if the planning time fence is large, people at the internal shipping department, will not see this Internal Req because they work in short range date.
Furthermore the ASCP plan will reschedule out all the Discrete job and planned order pegged to this suply.
This problem originate because we implement the reschedule out suggestion from ASCP over internal req ( we've a custom for this). How can ve avoid the Plan suggest to reschedule out this Internal Req? Maybe we can use the Profile "FIRM INTERNAL REQ INSIDE PLANNING TIME FENCE?".
Someone know if there are other ways?
Thanks in Adnvance.
Giacomo

Giacomo,
Usually, clients use "MRP: Firm Internal Req Transferred to OE" to keep internal requisitions from being rescheduled by ASCP. This would mean that any IR that has created an ISO would be treated as frim by ASCP. The intent is that since standard ASCP cannot reachedule ISO/IR orders, that you prevent these reschedule recommendations.
Since you have intentionally implemented a customization to cancel/reschedule these orders, this may not work for you.
The other profile option that you suggested; "MSO: Firm Requisitions Within Time Fence" was intended for purchase requisitions. It may work for internal requisitions, but you'll have to test. If it did, it would only work for the organization that is recieving the IR. You had set the PTF to zero (0) in that organization.
I suggest you try the combination of this last profile option with a PTF value that you do not want to see any reschedules.
regards,
Kevin

Time Fences

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) ?
Time taken to run MRP (1 hr) and manually release all planned orders to PO or WIP is 4 days. So should 4 days be the release time fence. Auto relase feature is not being used.
Am I on the right track here , or is the track totally missing?

Ritz,
The Planning Time Fence is the point that you want no new planned orders to be created prior to. In MRP this was based on the suggested dock date for (buy) orders and suggested due date for (make orders). Whatever you set the value to, no new planned orders will get created earlier than date.. even in an unconstrained plan
So as a practical point, how far ahead do you want to create your WIP jobs? If you are creating WIP jobs now for next week and your build LT is 5 days, you may want to be a user define value of at least 5 days. This would put the suggested due date of the planned order on day 6 (5days + today), the suggested start date would be today. You can also add a pre-processing lead time to make the suggested order date earlier and monitor that value. I would test these, understand the attributes and the resulting dates and determine the right value.
The Oracle ASCP User Guide has a good description of lead times that you should review on page 6-90. Most of this information is the same as old MRP, but some has changed. You can also review the inventory user guide to get a description of these attributes.
If auto release is not used, the auto-release item attribute is not used.
Regards,
Kevin

Planning Time Fence Value

Hi Team,
I would like to maintain planning time fence value in material master. I do not have any clue that how to determine the value for the planning time fence. Some where i read that the planning time fence value will be the interval time between two MRP runs (ie, if i run MRP four days once, 4 days will be the planning time fence). Is this logic work out? Any guidance to determine the planning time fence for the material?
Thanks

Hi Mariano,
Q1: By implementing Time Fence, you are losing flexibility, so this goes against the service level, so is not going to avoid cutting sales. However, sometimes you still need to use a time fence in order to provide some stability to your supply chain (maximize the use of your production capacity, coordinate the component replenishment with your vendors, etc..).
Your statement is: "By implementing planning time fence, you are losing flexibility".
"Losing Flexibility" means, if there is sudden sales requirement (Eg: Emergency sale order), accordingly the manufacturing plan will NOT be smoothened. Do you mean this as "Losing Flexibility"?
For your information, i am using strategy group 40 for my FERT item. The strategy group 40 will be mainly used to smoothen the manufacturing plan according to the sudden sales requirement. Implementing strategy group 40 & planning time fence together for a material will be AGAINST of each other know?
Coverage Profile:
Your statement is:
Q3: As coverage you can use different methods: coverage profile, safety time, safety stock, etc. The coverage profile is a key that needs to be predefined in advance. I will try to simplify the explanation. Suppose that your coverage profile says that you want to have 10 days of target coverage. If you have a constant forecast of 1000 CS per month and you have 20 working days in a month, this 10 days of target coverage will mean that you want to have 500 CS in excess of your forecast. So the MRP will plan to start the month with 1500 CS (1000 CS of forecast + 500 CS of coverage).
According to you, the MRP will plan for 1500 CS instead of 1000 CS for the month. But for that particular month additional 100 requirement has come as emergency sale order. How to handle this? My requirement is "How to handle (cater) the emergency sale orders effectively in ECC?" Will "Back order processing in SD" can help to cater these kind of emergency cases?
Thanks

Capacity levelling Auto release at planning time fence

Is it possible to have a background report run which will convert process orders to released process orders when they reach the planning time fence? I can set planned orders to release when converted to process orders automatically but this is not what i want as it removes any flexibility in CM29 plans. I don't know how to set this up and was wondering if anyone could give me some advice on how i could do this. Thanks.

Hi Sam,
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HELP: Planning Time Fence Control

Hi,
We have a business requirement where we have Firm Purchase Orders and WIP jobs outside the planning time fence (PTF). We then have new demand for the item coming from SO. When we run MRP, the system is extending the planning time fence up to the Need by date of the latest PO so this means there will be no stock to cover the new demand and we are in backorder!
Example:
Item: ABC
Item Leadtime: 5 days
PTF: 5 days
Sysdate : 09-Feb-2009
Firm Purchase Order: 20-Mar-2009 (outside the PTF for the item)
WIP job demand: 20-Mar-2009
New SO 5000001252 with schedule ship date 17-Feb-2009
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Plan option:
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Overwrite = None
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Can the above requirement be achieved with ASCP?
thanks

Hi
I guess planning is creating time fence on its own called the natrual time fence. It would take the firm supply and create a timefence based on its date until creating new pl order within that period.
Please set profile MRP:Create Time fence to No and recheck
Best regards
Partha

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
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R.Brahmankar

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Alexandru,
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Dear,
Firm ZOne in SA, says that that much qty will be procured from that vendor with in that date specified, if not taken the production cost and cost related to that will be paid.
Now the planing time fence, is the time with in which no change is allowed. Hence if there is any new requirement to that RM, then it will be pushed to outside the time fence.
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I hope you got the point.

Scheduling Agreement & Planning Time Fence

Hello,
I read a lot of articles on Planning Time Fence and the MRP Types P1 to P4 that goes with it. And I have tested it out in a Testing Environment.
But I can't get it to do what I need.
This is a normal planning with no PTF and MRP Type PD.
Sometimes we have false requirements that show up in the past due to human error. When this happens, MRP rolls during the night and adds a bunch of deliveries in the past to cover the requirement.
I wanted to use the PTF to prevent this. Meaning that extra deliveries would get added by MRP but after a PTF and not Firm deliveries. So that once the error is corrected, MRP rolls again and deleted all the extra deliveries it added.
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Patricia

Hi Patricia,
The planning time fence is there to stop MRP from making changes to requirements that fall within the planning time fence.
Your planning time fence is a rolling period which shifts by 1 day each day and is calculated as of the current date. Yesterdays date is passed so it would not make sense for a planning time fence to use a date in the past to start it's calculation.
Everything that falls before the end of the planning time fence will not be changed by MRP and you will see that all these schedule lines in MD04 will have an * assigned meaning they are firmed for MRP.
If you manually add schedule lines in the past, the planning time fence will not stop you from doing this. The planning time fence will only stop MRP from making changes.
By the way:
If you manually add requirements to the scheduling agreement then MRP will never change these requirements as these are fixed requirements.
If your customer would add requirements in the past or you add independent requirements in the past and your current stock does not cover the requirements the system will generate schedule lines and will put these directly after the planning time fence with an exception message assigned to them.
As a side note:
I always wonder why such questions arrive in the forum as this is something that can be very easily tested in the test environment.

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Planning time fence and MRP question

Good morning,
We have the following requirement:-
1. We want the Planning time fence to move once a week (by 1 week)
2. If we have a schedule line at the end of the Planning time fence, we want this to move inside the planning time fence (as per step 1)
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mm

Implementing Release Time Fence in ASCP

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