Dear Aneha,
concerning EDI concept in SD: the EDI concept is intended to realize the sales and distribution process completely automatically with the help of electronical documents. These documents are sent from one customer to another, are processed mostly on the background and give a possibility to realize the sales process extremely efficiently.
If MM-customer would like to purchase the goods then he creates the IDOC of type ORDERS and send it to SD-customer. On the SD-side the IDOC is processed via the function module IDOC_INPUT_ORDERS and creates the sales order. As confirmation the SD-side can send to MM-side the Order-Response IDOC (function IDOC_OUTPUT_ORDERS). The MM-customer can every thime send a change to the existiong order, then on SD side the ORDCHG IDOC will be processed. It can change the order like in VA02. The creation of the invoice can be made via IDOC of message type INVOIC (function IDOC_OUTPUT_INVOIC).
So, the process can be realized completely automatically between SD and MM partners with the help of IDOCs: ORDERS, ORDCHG, ORDRSP, INVOIC.
That's all concerning the SD-EDI.
Additional processes in SD, where EDI are used:
1) application of delivery schedules to the scheduling agreement: IDOC of type DELINS
2) creation of a delivery order to the scheduling agreement: IDOC of type DELORD
3) creation of external agent service delivery to scheduling agreement: IDOC of type EDLNOT
4) creation of credit advice / credit memo in the frames of self-billing: IDOCs of type GSVERF, SBWAP and for external invoice creation SBINV.
It is all processes which are realized in the SD module via EDI.
There is not so much Customizing for EDI. The most entries are required by EDI for the scheduling agreement processing (DELINS, EDLNOT, SBINV). The Customizing of these processes is located in the Customizing of scheduling agreements: SPRO => Sales and Distribution => Sales => Sales Documents => Scheduling agreements with delivery schedules => Control EDI Inbound processing.
General EDI Customizing in SD is available under: SPRO => Sales and Distribution => Electronic Data Interchange => EDI messages => ...
I hope this info helps.
Kind regards,
Akmal Vakhidov
Development Support SAP, Walldorf/Germany
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