GATP Product substitution

Dear Friends
I have a query in SAP-APO 4.0 GATP, product substitution functionality.
I am undertaking a product substitution procedure for a component in a BOM .
i.e we want one component to be replaced by another component (in case of
non-availability of the component) . What we observed is when we maintained the
checking horizon(planned delivery time in R/3) for the said componet as 5 days
only then the product substitution seemed to work during the ATP check stage
(while creation of sales order) but the due date is getting pushed by the
checking horizon of the non-available material .My query was
a) Ideally if the substitute product is available at the plant I don't see
the reason why the due date is getting extended by the checking horizon ? What
could be the reason for the same?
b) When the checking horizon was changed from 5 days (both , <5 days & > 5
days) then product substitution did not occur and only the due date was getting
extended by the checking horizon .Why is the product substition not taking
place?
Request the group to share their insights & knowledge in helping me solve this
Thanking you in anticpation
rgds
Bipin Ballal

Hi Bipin,
The behavior of the system is really strange if it shifts the due date by the no. of days in CH. Its also surprising that it works at a specific value.
I feel it has nothing to do with CH as it is only the no. of days beyond which the material is available indefinitely. Lets get into it a little deeper:
You are expecting a product substitution of a dependent material during Sales Order creation.
So it must be Rules based ATP with multi level ATP check. You will also be having CTP. Check the following settings:
1. PP Planning procedure; should be automatic planning or multilevel ATP.
2. Corresponding strategy group to be maintained in R/3 and the material should also have external planning.
3. Check your PPDS fixing horizon. If the due date is before this, it will shift the date.
4. In Maintain Check instruction: see that you have create remaining requirement at header level.
5. In multilevel ATP settings you should have remaining requirements at component level. And also define the business event it should happen during. I.e. while sales order creation or during automatic planning.
6. I hope your rule maintenance is working perfectly in check mode..
Hope this helps, or you can get back with more details.
Thanks & Regards
Santanu Dawn

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Hi Jessy,
"can I perform the activity in CRM and download the condition record from ECC or perform all the settings in ECC and download them via the delta download ?"
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Requirement: Event controlled product substitution case
SAP System: SAP ECC 6.0 with IS Retail and without F&R and APO
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1./sapapo/ac42-This report is helpful but this has 2 issues.
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Condition Table for R/3 Product Substitution in CRM

Dear Experts,
I managed to download object DNL_CUST_PDD, DNL_CUST_CND_PD, DNL_CUST_CNDALL.
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I found that the condition table in R/3 is KOTD970 while in DNL_COND_D001 only specify table KONDD,
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T682I               KOZGF     EQ Equality (= Low)     Z001
T682T             KOZGF     EQ Equality (= Low)     Z001
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T682V             KAPPL     EQ Equality (= Low)     V
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T682Z             KAPPL     EQ Equality (= Low)     V
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T683               KALSM     EQ Equality (= Low)     A00001
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ATP for production order

Hi Friends,
Need your help to figure out solution for an issue :
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I dont think I can use this as there will be multiple alternates for a product.
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Hi,
We are using GATP with RBA. Our condition table has plant as a field.
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Our rule control for product substitution list is "Start from top of list"
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The first item in the substitution procedure (rule) cannot have validity dates.
So it will always be balnk. And validity dates can be maintained for other items in the procedure (rule).
What happens in our scenario is when there is a requirement on an item in the substitution procedure (rule) which has a validity date, the first item in the procedure (which can never have validity dates) is never considerd for substituions.
If I remove the validity dates, then the first item in the procedure (rule) is considered for substitutions.
We find this strange and against our business requirement. We want the first item in the procedure (rule) to be considered for substitution ireespective of the validity date for the requested product.
It would be great if you could suggest a method to achieve this.
Thanks & regards,
Arvind.S

Hi Mohan,
Thanks for the response.
We are using back order processing (BOP) for allocation.
We observed that the first item was not getting considered for substitution in the BOP results and also in product view after the BOP run. No stock of that item was allocated for the order taken up in the BOP run.
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Substitution of products in MM

Hello,
I want to implement a standard Purchasign process in the food industry. My client is using SAP R/3 4.70 (Enterprise)
This industry is caracterised by product sustitutions - for example, one is buying a bottle of salad-dressing of 1 Liter, but your vendor only has bottles or 2 Liters available. In store, these are two diferent SKUs with diferent Material codes.
Is there an easyway to use product substitution in Pur.Requisitios and/or Purchase Orders in SAP? Without using adicional programing!
Anyone has experience with these kind of situation?
Thanks for any reply.
Aart

See attached link:
Since these are complete different materials SAP requires you also register them in this way. Probably these 2 articles have different value and also for stock taking it is important to count them separate. You don't want to mix 2 different articles. If you want, you can create a workaroud by creating an inforecord for the alternative material from the alternative supplier, but for the above mentioned reasons this is not recommended.
I don't know the purpose of this material. Is it a raw material or a trading article?
If it is a raw material I believe you can create an alternative BOM with the 2 liter can, if it is not in stock MRP wil create purchase requisition with this article
If it is a treding material you can use material determination to find an alternative article if the standard material is not in stock. If this alternative is also not in stock MRP wil create purchase requisition with this article. Dependent on the MRP settings of you material.
Maybe you can also use MPN(Manufacturer Part Number) as a solution.
It's long ago I have been working with MM but hope this reply will help you.
Kind regards,
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