Firmimg the orders and planning time fence
Hi, Pls explain about firming and non-firming and planning time fence while running mrp or mps?what is meant by firming the orders? i do not know how it work and how can we interpret the reults? pls explain with one example.
Firming: When an order is firmed , indicates that the Order no longer needs to be planned in MRP.
Order gets firmed, when we change plannde order manually and save .
Planning time fence: the time period during which if any Order comes it gets firmed subject the Compatible MRP type.
Depedning on whether they need to be firmed or not and when a new requirement is creatd in the planning horizon, How the receipt needs to be planned within the Planning time fence or out side is controlled in the MRP type.
Regards
Ratan
Similar Messages
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Planning horizon and planning time fence
What is the meaning of terms
- planning horizon.
- planning time fence.
Where and how we can use these terms?
Kindly explain with a example.Hi,
1. planning horizon
Net change planning in the system only plans materials that have undergone a change that is relevant to the planning run within the period which you defined as the planning horizon. The system sets the net change planning horizon indicator automatically for these materials.
In net change planning in the planning horizon, the system only plans those materials provided with the net change planning horizon indicator.
2. planning time fence
The planning time fence dictates a firm period for planning purposes. Subsequent MRP runs will not create planned orders within the time fence but will place them just outside it. Orders must be manually moved forward if desired. The idea is to create a short term period of plan stability.Check the MRP tabs on the Material Master for the planning time fence
period for the material.
Regards,
Sankaran -
Difference between Stock Transfer Horizon and Planning Time Fence
Hi Experts,
Could you plz help to explain the difference between stock transfer horizon and planinng time fence?
Appreciated your professional input to address my confusion.Hi Gavin,
The stock transfer horizon is used in SNP planning, it is the time period within which SNP does not create any stock transfer requisitions.
The planning time fence is used by PPDS planning. It is the time period within which the PPDS planning does not create any orders. The orders lying within this period are considered to be firmed by the PPDS planning.
Functionally, the stock transfer horizon/ production horizon in SNP are analogous to the planning time fence in PPDS, which provide the system ability to keep the plan firm/unchanged within this period.
Hope this helps!
Regards,
Umesh -
MF50 : Planning table and planning time fence
HI,
I use the transaction MF50 as planning table ( in order to do my MPS planning), I use "set firming date" to fix a firming date.
Now, I want o know if it should possible to reveal a message when we create a planned order within the firming date??
Thanks for your answer.Hi,
For clarity , I am describing below the functionlity of Set Firming date is explained as below:
By setting Manual Firming date , we extend the planning time fence.
If a planning time fence has been created for a material then the following applies:
If the manual firming date lies before the end of the planning time fence, the planning time fence is still valid.
If the manual firming date lies after the end of the planning time fence, the planning time fence is extended until this date.
All order proposals with availability dates that lie before the end of the planning time fence of the manually extended planning fence are firmed for the planning run, if the materials have an MRP type which contains firming type or firming type 1 or 2
The system does not automatically firm order proposals for materials that have an MRP type with firming type 3 or 4, even if their availability dates lie before the end of the planning time fence or manually extended planning time fence.
Please check if this helps you.
Regards
Datta -
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.
GiacomoGiacomo,
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 -
Planning time fence and planning cycle
Dear Experts,
Please provide me the clarity on planning time fence and planning cycle in MRP 1 view with example as i am not able to understand the SAP definition
Regards,
Phalgun PatelPhalgun,
Planning time fence is a standard planning concept. Here is SAP's version
http://help.sap.com/saphelp_erp60_sp/helpdata/en/92/bf029544bd11d182b40000e829fbfe/frameset.htm
Also, from SAP help
Outside of the planning time fence, procurement proposals are created as usual in the planning run. When these procurement proposals move into the planning time fence, they are firmed automatically depending on the setting of the firming type.
I don't think I explain it any more clearly.
'Planning Cycle' can refer to several different concepts. Can you quote the difinition you are finding difficult to understand?
Best Regards,
DB49 -
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
To cover the demand for SO 5000001252 MRP is suggesting a new planned order for 20-Mar-2009.
Plan option:
Profile MRP:Firm Planned Order Time Fence = No
Overwrite = None
Append Planned Orders = Yes
Planning Time Fence Control = Yes
Has anybody come across this scenario? How can we force MRP to suggest a Planned Order for the 17-Feb-2009?
Can the above requirement be achieved with ASCP?
thanksHi
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 -
Dear Expert
I have mantained PPDS planning time fences in product master view as 5 days .And i have created sales order and i have triggered GATP planned orders are generated . after saving sales order . I have triggered GATP again I am getting new planned order which should not happened Because as per PPDS planning time fence planned order with in that period are fixed .they should not change
Please correct it If i am wrong
regards
VirenderHI 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
I have assigned ppds planning time fence for 5 days
By F1 help i have got below note it is creating little confusion
Note
You can specify a time fence interactively in the product view. It may override the planning time fence in the following way:
If the time fence is after the end of the PP/DS planning time fence, planning is fixed until the time fence.
If the time fence is before the end of the PP/DS planning time fence, planning is fixed until the end of the planning time fence
Regards
virender -
Diff. bet PLANNING TIME FENCE & PLANNING HORIZON
Hi all,
whats the diffrence between , planning time fence & planning horizon ?? where it use ???time fence - like a fence beyond with in which some changes are not entertained.
horizon- will tell the system not to consider some requirement if the requirement date lies outside the horizon.
Horizon is defined at plant/mrpgroup/mrparea level
Time fence is defined at material level.
Fence is usually used in MPS scenario where in some special very important materials are considered and any changes may affect the company profit.
with time fence- i can make the system not to consider the change with in the fence, with horizon system considers the change with in horizon, not outside.
I hope now you are clear about the application of it.
reference thread = Difference between PTF &PH -
Planning time Fence and Firmed Planned Orders
Hi,
Withing our 30 days planning time Fence, MD04 is showing * mark against the planned order, but when we drill inside the planned order, Firming indicator is missing.
Using M1/ P1 MRP type.
1) Is this a correct oservation?
2) How does it affect the availability check, if we are considering Firmed Planned order to be included in the Av Chk. Will this planned order be considered with the Availability check?
Thnx!
Abhi.Dear,
Let us understand with an example
MRP type = P1
Time fence = 30 days
Let say you have created 3 requirements
01.12.2007 - 100 TO
01.01.2008 - 100 TO
01.02.2008 - 100 TO
Let me know what are you expecting the syatme to do if you run MRP today? -
Planning Time Fence and Rescheduling Purchase Req
How to Process the MD04 exception u201C30 Plan Process According to Scheduleu201D for Purchase Req.
Please provide me a Step by step procedure with example to Reschedule the Purchase Req with given rescheduling date.
*Really I am confused with PLANNING TIME FENCE.
What it does with Planned Order and Purchase Req ?
Based on the some of threads in SDN, I couldnu2019t come to the conclusion of the terminology behind PTF.
So could you please provide me an explanation with example will make clear idea on PTF.
Thanks in Advance.dear friend,
as far as i know, all planned orders that lie in the planning time fence are firmed. that means that they can no longer be changed automatically by the system in the planning run in long-term planning.
outside the planning time fence, the system creates order proposals as usual according to the shortage quantity and the lot-sizing procedure. once these planned orders move into the planning time fence, they are automatically firmed depending on the how you have set the firming type.
the planning time fence can be defined per material in the material master record or via the MRP group. -
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 -
Setting up the Planning time fence
We have a material that is set to MRP type P1 and WB lot size,
I have the following scenario: -
The planning time fence is currently on the 19th (Monday)
We have negative stock inside the planning time fence
I have run MRP and it has created Planned orders on the 19th to clear the negative stock.
So my assumption is that on Monday morning the Planned orders will be INSIDE the planning time fence.
The planning time fence will have moved to the 26th (Monday).
Will a daily MRP run effect this (NETPL and Adaptive Planning)?
Thanks in advanceHi Guy,
The Planning time fence is given in number of working days.
So when you increase the time fence, naturally it includes the present
time duration.
Regards
Krishna -
Firm Planned order List out side Planning Time Fence
Dear Gurus
I have the following requirement.I need to get the list of Firmed Planned order list for my plant, which are the out side of Planning Time Fence.I tried by md19 but it did not give me any list like that.Any urgent solution is appreciated .
Regards
JiaMy requirement is planned order list beyond the planning time fence.In PLAF table we have option to give the firming indicator YES/NO .But while giving the date rage I have difficuly.We have several material which are planned in various plannig time fence and there is no fixed date range.There may be one material planned 21/04/08 to 25/04/08.At same time other material may be having 30/04/08 to 5/05/08 .So we cant give any fixed date range to segregate the firmed planned order out side the date range.
You soultion is appreciated
Regards
Jia -
Managing planning time fence ( P1 MRP type ) and firm zone in ME32L
Hello,
I want to know if there is or are some documents to know how to manage planning time fence in MM02 and firm zone in ME32L ?
For me, in ME32L the firm zone is the firmed quantities sent to suppliers but not firmed for MRP so how to manage this easily ?
Thanks.
Romeo.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.
Hence if there is a schedule line which is already there and requirement is coved with in that, then your requirement is met, if not system will create a new schedule line in the trade off zone/planning zone.
I hope you got the point.
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