FIFO implementation after go-live: implications on existing data and ML

Hello All,
We have a client who wishes to implement a FIFO stock management approach. They have been working on SAP for a few years now. I would like to know how we would 'cutover' to a FIFO stock valuation method? Would executing MRF3 for a date range be sufficient?
Also, please could you advise whether there are any discussion documents on the impact this change would have on actual costing using the material ledger, which they are currently using?
Thank You in advance for any assistance.
Kind regards
AMS

Hi!
you have to do following customization for LIFO/FIFO valuation:
Go to Material Management->Valuation & account assignment ->BS valuaiton procedures ->Configure LIFO/FIFO methods:
1.activate LIFO/FIFO
2. Define valuation levels
3. exclude online update
4.define relevant movement types for LIFO/FIFO
5.define LIFO/FIFO methods - in order to calculate FIFO price for current period , previous period, previous to previous period and previous year.
6.configure FIFO vlauation areas - here you have define base year as per your requirement
then you can able to do FIFO valuation - t.codes MRF4, MRF3,MRF1- u can update FIFO price in material master other than std price & MAV price fields.
there is no impact on actual material ledger. this is only used for balance sheet valuation purpose based on requirement.
Please let me know if you need any further clarificaitons
regards,
ramesh B

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My experience (on BPC 5.1 MS, and earlier versions) has been as follows:
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DMA FIFO number of elements to read mismatch in FPGA and RT

Hi all
I am using myRIO , LV14 to run my application.
Application: I have to continuously acquire data via FPGA and process in RT host once every 2000 samples are collected. I use DMA FIFO (size 8191) to acquire data, use timeout property at the FPGA to eliminate buffer overflow. I had followed cRIOdevguide to implement this part. A snippet of what I have implemented is attached. Whole code runs in SCTL at 50MHz.
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I saw this behaviour within minutes after running the code. Any idea as to why it is happening? I am trying to reproduce the behaviour and will update if i again encounter with it. Sorry, I cannot post my code here, but i guess the code snippets explain it to some extend.
Thanks
Arya
Edit: Even with the mentioned workaround, the problem persists, now that the FPGA does not write to FIFO at all. And the RT VI is not able to read any elements as it sees 0 elements in the FIFO. The FIFO continues to be in timeout state. So i guess the problem is with the RT side.
Solved!
Go to Solution.
Attachments:
cRIOdevguide_FIFOreadwrite.PNG ‏107 KB
FPGA_FIFO_write.PNG ‏41 KB
RT_FIFO_read.PNG ‏39 KB

Hi Nathan
Yes, I could have replaced it with an OR. Regarding my application, I want to acquire data in chunks of 2000 samples. If at all I receive a timeout error, I want to discard that chunk of 2k samples and start all over again. So my logic was like this, I acquire the data, if there is a timeout, the reset is triggered, and the system waits to comeback from reset, and it starts acquiring again. Btw, I tried removing the multiple FIFO reads in RT, but the error is still the same.
I have a small doubt as well, if I do not want to obtain stale data at alI, I would just check if timeout occurs, empty my FIFO and start acquiring data again (no reset button), isnt it? This was my original logic, but I saw that after a while, it stopped acquiring data and timeout led was on. I was thinking that FPGA and RT was simultaneously trying to acquire FIFO which might cause timeout. Somehow, I now feel that, as you have pointed out, my code is overly complicated. I will modify it and update the results. Thank you!
Arya

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Hi There,
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Thanks to both Jurgen and Sander
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Hi
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Dear FI Experts;
Our Status Now:
We Have 3 Company Codes, CC 1000, 2000, 3000 and one Credit Controlling Area Code 0001, and the Customers are assigned to this Credit Controlling area with no problems and we are live since about 9 months ago.
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How to keep Track of the Changes after Go live in OM

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Regards,
Subbu

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Greetings SAP'ers,
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Now Test Phase is going to end and he asks himself: "how can I manage issues after go live in Charm?"
If I have to create additional TRs for bug fixing in the weeks after go-live can I manager them in Charm?
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Hi Miguel, Bob and Jansi,
thanks for you contributions.But I realize I didn't explained myself completly.
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hi
Since one legal entity will cease to exist and a new legal entity will come into being, you will have to follow all the period end closure procedures.
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regards
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Dear All,
After go live the sap system, user has to start creating the measurement document for counters which as follows.
Suppose we have go lived on 1st feb 2010, so on that day already physical counter is showing following readings.
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Use of half months in the company code configuration after Go Live

Hi,
Our client has a requirement to activate the functionality of u201CUse of
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For the above purpose, we enabled the same in our Development server
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Please advice to resolve this issue at the earliest and its quit urgent.We are using the same depreciation key, asset class in all company codes.
Thanks
Man
Error details,
SYST: You cannot change the depreciation periods
Message no. AA662
Asset affected: 000016000025-0000
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Processing terminated because the number of depreciation periods in
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Procedure
Change the depreciation periods back to the original value in company
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hi
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Once you have finished your legacy data transfer you should set company
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correct. It should be 24.
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Blaz.

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FIFO implementation after go-live: implications on existing data and ML

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