Logical systems for ALE

HI all,
I'm configuring for an IDoc to be generated and downloaded to a file via a file port.
This IDoc is of message type PAYEXT.
The file is to be sent ot the bank via the meansa of third party software.
Do I have to create logical systems for these? Or only the outbound logical system?
Do I also need to set up the distribution model , and if so, how far do i need to set it up?
Points wil be awarded. Thanks!

Hi
Use BD64 Tcode to setup distribution Model
Define the 2 logical systems.
see the flow:
Outbound:
Step 1. Application document is created when transaction is saved.
         2. Message control is invoked.
         3. Messages are processed by system.
         4. Messages are Edited (if desired).
         5. Output (ALE / EDI) is checked
         6. Validate against Message control record from Partner Profile
         7. Application Document is saved.
         8. Entry NAST table is created for every selected output program
              along with Medium & Timing.
         9. Check for Process Immediately .
                 If (yes)
                   Determine Processing Program from TNAPR Table.
                 ELSE
                   Execute RSNASTED Program.
       10. Read Partner Profile to determine Process Code.
       11. Process Code points to the Function Module & Invoked.
       12. IDoc is generated.
       13. Check for ALE Request.
                    if (Yes)
                        Perform Filters, Conversions, Version Changes etc.
                    Else.
                        IDoc is stored in DATABASE.
INBOUND:
Step 1. EDI Subsystem creates an IDoc file from EDI Messages
        2.   Subsystem calls Functional Module                                 EDI_DATA_INCOMING from startRFC program.
         3. Data in Control Record is validate against the Partner                       Profile.
        4. IDoc is generated in Database and syntax check is                      carried out.
        5. IDoc file is deleted once file read.
        6. Event PROCESSSTATE REACHED is triggered in Idoc Object Workflow.
                   7. Check for Process Immediately.
               If NO
                 Execute RBDAPP01 Program
               Else
                  Read Process Code from Partner Profile
                       Process Code Points to Function Module
                 Application Document Posted.
further help:
check url
http://www.sappoint.com/abap/ale.pdf
http://www.sappoint.com/abap/ale2.pdf
http://www.sapgenie.com/ale/configuration.htm
http://www.sappoint.com/abap/ale.pdf
http://www.sappoint.com/abap/ale2.pdf
http://www.sapdevelopment.co.uk/training
And also u can get lots of inof from the below link.
http://www.sapgenie.com/ale/why_ale.htm
Reward points if useful
Regards
Anji

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How to create Logical System for ALE?

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Thanks in Advance.

Hi,
what you did is correct but you don't have the authorization for cross-clients in your sever.First take the authorization for cross-clients then follw the steps
Here i am giving link go through that and do practice,
http://www.****************/Tutorials/ALE/MaterialMaster/Distribute1.htm
http://www.****************/Tutorials/ALE/ALEMainPage.htm
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I am trying to send an IDOC into my R/3 system. It is the same IDOC type that I have sucessfully sent out to parties. All the config is in place for communicating with the system, because I have sent others IDOCs in the past. However, they always were sent from another R/3 business system. They processed sucessfully.
I am now trying to sending IDOC's from a BPM,as well as, from a business service. They are under the "With Party" section of the directory. These obviously do not have logical systems, so when I try to send the IDOC I get
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Hi,
To solve your problem, here my solution:
1/ In your Business Process of your ID (configurator), go to menu "Service > Adapter-specific identifier" and in the part "IDoc Adapter", write your Logical System.
2/ Create this Logical System on your target system (R/3).
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Hi All,
i got this question in interview.
Why do we create logical systems in ALE?
Thanks & Regards
suresh

Hi
In addition to above .
A logical system is used to identify an individual client in a system, for ALE communication between SAP systems. That's why you see a field for 'logical system' in the client master data in SCC4 (table T000).
/people/udo.martens/blog/2005/09/30/one-logical-system-name-for-serveral-bpm-acknowledgements
http://help.sap.com/saphelp_nw04/helpdata/en/b5/1d733b73a8f706e10000000a11402f/content.htm
http://help.sap.com/saphelp_nw04/helpdata/en/69/c24ca94ba111d189750000e8322d00/content.htm
http://72.14.203.104/search?q=cache:J-uDLyT0w54J:www.topxml.com/biztalkutilities/walkthroughs/SAP%2520Configuration.pdfwhatislogicalsystems+(SAP)&hl=en&gl=in&ct=clnk&cd=5
http://help.sap.com/saphelp_nw04/helpdata/en/78/217dc151ce11d189570000e829fbbd/content.htm
http://help.sap.com/saphelp_nw04s/helpdata/en/d7/9c73631d6c11d2a56e0060087832f8/content.htm
This guide is really good shows step by step procedure.
http://72.14.203.104/search?q=cache:Xyl0zxpyEXsJ:www.sappoint.com/abap/ale.pdfLogicalsystem(ALE)&hl=en&gl=in&ct=clnk&cd=9
for one client config
http://www.sappro.com/downloads/OneClientDistribution.pdf#search=%22Logical%20system(ALE)%22
Please reward for the same.

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For now to fix the issue, user needs to do a phony change in SAP HR system to get rid of original LOGSYSTEM value.
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Igor :
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Dear all
I still confuse with Logical System in ALE where we already have Client.
And I see that relationship between Client and Logical System is 1:1
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Regards,
Halomoan

I think this is what you want to read:
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for DV1/400: DV1CLNT400
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? PC ?Flat file , DB ? Database
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Hi,
Business Systems are te logical system name for a CLient in the SAP.
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