ABAP, NetWeaver, ERP Tutorial

What is this tutorial about?

This tutorial is about the story of IDoc.This blog try to explain the elements in IDoc.

Tutorial

IDoc is a kind of technique based on XML.SAP uses this technique in SAP ECC system.

IDoc technique trys to help SAP ECC communicate with other system.You can take IDoc as a format of data.It defines how we organize the data.

SAP also provides a lot of tools to help us manage and develop IDoc,such like test tool WE19,monitor tool WE02 or BD87.

Below is key elements of IDoc.

Message Type

Bussiness contents the idoc stands.It always relates to some business area.We usually define own message type in sap.

WE81 is used for defining message type.

IDoc Type

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What is this tutorial about?

Try to tell how to trigger idoc with message control framework(output control technique in SD module)

Glossary

Condition record——one record contains the value we want

Condition type——–the type of the condition record

Output procedure——–the procedure determine how the output related with sales order or other business document

Basic Knowledge you need to know

I will list the keyword below,you can search it with google or study it through the link below.

• Condition Technique
• Output Control in SD
• Partner Profile

Tutorial

Here I will try to give a example about configure IDoc output control.

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What is this tutorial about?

Try to explain what is the logical port and how it take effects in idoc processing.

Tutorial.

Logical Port defines how the sap communicates with other system,you can change the name of the idoc in logical port configurations.

Using tcode WE21,you can matain the logical port.

Below is the logical port we used in the blog HELLOWORLD OF IDOC:IDOC TRIGGER WHEN SALES ORDER SAVE

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What is IDOC ?

If you are not fimilar with the definition of IDOC, I think you can get some from google.

What is this tutorial about?

It will tell how to trigger IDOC output when you save sales order in VA01 or VA02.It doesn’t tell the theory but how to do step by step.

Glossary

Before we start, there is some words you need know.

IDOC———–Yes, it’s the one we focus on.You can take it as a xml format.It’s some standard that restrict you how to put data in XML.It’s a container

Logical System——-This is the way that SAP define a external system,every external system in SAP is defined as a logical system.

Logical Message Type——The bussiness aspect of IDOC.Technically,Idoc is the format of the data,logical message is the bussiness meaning of the data.The relationship between them is many to many.

Logical Port———–How the sap communicate with other system,through file,hwo to name the file,what’s the path of the file.

Partner Profile——-The key profile define

Condition Technique/Message Control——-The basic technique in SD module.It applys in price determination,output control and a lot of other areas.In this article,we will see it in output control.

ALE————–A kind of knowledge that relates to IDOC,this technique is usually to connect SAP application together.

Tools We used

WE02———-monitor IDOC process,you can also use BD87,but it’s very slow.

SALE———–It will take us to a tree menu.There is a lot of other tools in it,such like configure logical port.

WEDI———- Similar to SALE.

Tutorial

1 Define Logical System

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Business Scenario

One company wants to create the sales order in SAP with the data from external sales tools.  A third party EAI/SOA tools has already been used to integrate different company-wise applications. Below is the basic system integration landscape.

The client decides to use IDoc to transfer the sales order in order to utilize the built-in error handling feature.

The first step to configure the SAP ALE interface is to maintain the partner profile. Below is the detailed steps with corresponding screenshot and description.

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In this tutorial, I try to explain how to use t-code WE19 to test an IDoc inbound processing. This is a very basic tutorial but I believe it is very helpful for beginners to have a general understanding of IDoc processing. The test scenario for this tutorial is an external SAP system sends an IDoc to the receiver SAP system and the receiver SAP system will send the inbound IDoc to the agent to review.

Below are the steps to configure, test and monitor the whole scenario. All these steps are performed in the receiver system as I use the WE19 to simulate the inbound IDoc, so all the configuration activities in the sender system is omitted in this tutorial.

Step 1. Define the logical system for the external SAP system

Go to transaction BD54 to add a new logical system for the external SAP system. You can find the external SAP system’s logical system using transaction SCC4 and select the correct client you are using, you can find the assigned logical system to this client.

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What does the interface mean?

Interface means the communication interface between different systems in an enterprise enviroment. SAP provides a comprehensive solution for different industries. A company still needs a lot other systems to make daily work more effectively. Different SAP systems also need to communicate each other to exchange business data.

SAP provides several technologies to achieve this goal. Below is list of these technologies.

1. BAPI/Remote Function module
2. ALE/EDI/IDoc
3. Use middleware like PI(Process Integration)
4. File System

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