on 05-24-2010 9:52 PM
Hi Gurus,
Please let me know the simple ways to get the constrained and unconstrained forecast for a product / location. I am new to APO, so please help me to send the detailed information. I would really appreciate it.
Thanks in advance for your wonderful help.
Best regards
Nagarajan
Hi Nagarajan,
As Datta rightly pointed out, say for eg if your total forecast is 10000 for a
location product which is called unconstrained forecast.
When this unconstrained forecast gets released to SNP, and if your
supply capacity at SNP is only 8000, then the balance 2000 cannot be
supplied through SNP because of various constrains and when this
gets released to DP, it gets updated as constrained forecast.
Hope this is clear now.
Regards
R. Senthil Mareeswaran.
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Thank you for all your responses.
I am moving forward to select planned orders in APO using BAPI_MOSRVAPS_GETLIST2. Do you have an idea what parameters do I need to provide in order to get the planned orders?
To start with, I gave the following input:
Logical system
Start time and End time
Production selection (material in 18 digit number)
Location selection (plant)
What other paramerts do I need to fillup in order to get the planned orders?
First of all, am I using right BAPI?
Thanks for all your help.
- Nagarajan
Hi Nagarajan,
For the BAPI : BAPI_MOSRVAPS_GETLIST2
You can detailed documentation in the transaction BAPI and select the specific BAPI and click on documentation
This gives you clear picture.
From the same menu or through SE37 menu you can test the BAPI and check the parameters
RFC target sys:
Import parameters
u2022 LOGICAL_SYSTEM
u2022 START_TIME
u2022 END_TIME
u2022 EXCLUDE_EXPORT_FLAGS
u2022 MAX_NUMBER_OF_ORDERS
u2022 TRANSFER_MODE
u2022 PLNG_VERSION
u2022 IO_NODE_SELECTION
Selection Tables are as below:
u2022 PRODUCT_SELECTION
u2022 LOCATION_SELECTION
u2022 LOCTYPE_SELECTION
u2022 ORDERTYPE_SELECTION
u2022 ORDER_SELECTION
u2022 PRODUCT_LOCATION_KEYS
u2022 ATPCAT_SELECTION
u2022 CFG_SELECTION
Example of manufacturiing orders ATP catagoreis are :
Production / Process orders AA , AB, AC, AD ,
Planned orders : AI, AJ, AK, AL
SNP Planned orders : EE
I hope this will help you.
Please check and confirm.
Regards
Datta
Nagarjan,
When you run the fortecast in DP you consider the sales history. Now, this sales history is actual sales. While forecasting all that is considered are these values of the past and not the present and future capability to actually meet this forecast. Its just plain statistically generated numbers. Now suppose based on your sales you generate the following forecastL
Jan 1000
Feb 1000
Mar 1500
This is then released to SNP. Use the TX /sapapo/mc90. The idea is now to EVALUATE THIS FORECAST AGAINST OUR CAPABILITY TO SUPPLY, IN OTEHR WORDS CONTRAINTS!
After releasing to SNP you can do a finite planning taking into consideration constraints such as Capacity, vendor capabilities, procurement constraints etc... Its almost always the case that the exact numbers cannot be met and thats whgy we do all the replanninga and levelling and rescheduling etc etc...
In SNP you can run an unconstrained pla., You can then level this using SNP capacity levelling. Remmeber this process may span certain levels like DC- > FG Plant -> SFG Plant etc...
After considering supply capcbilities you can come up with a REVISED forecast:
Jan: 800
Feb: 1000
Mar: 1600
Note that for March you are able to take an increased volume. You can now release this plan to DP back again to tell it that this is the demand I can meet and this is what should be planned. This can be done using Tx /SAPAPO/SNPFCST or /SAPAPO/LCOUT
Hope this clarifies.
Abhi
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Hi Nagarajan,
Output of APO demand planning without consideration of the supply capabilities is unconstrained forecasts. In APO Demand planning, we get sales history, correct the same, and execute statistical forecast models to generate baseline forecasts. To this, we add promotions, market intelligence and this becomes the unconstrained forecast.
When the above forecasts are released to APO Supply Network Planning appropriate SNP procedure is executed and sourcing capacities are checked and a feasible rough cut plan is created. When this feasible / constrianed plan is released back to APO Demand Planning, that becomes constrained forecast. Demand Planner compares the original unconstrained the constrained forecasts and arrives at final figures.
Therefore the modeuls you need to implement are APO demand planning and supply network planning.
Detailed SAP help is availble, please go through it before to understand the detailed processes:
http://help.sap.com/saphelp_scm70/helpdata/en/7e/63fc37004d0a1ee10000009b38f8cf/frameset.htm
If APO SNP is not implemented, then unconstrained forecasts are released to outside system and a feasible plan compared outside and the same uploaded back to APO DP for comparasion.
I hope this gives you insight.
Please check and confirm.
Regards
Datta
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