Record Types (SAP Library - Warehouse Management Guide)

Record Types

The table below displays an overview of the record types, the tables in which the individual communication records are stored, and the usage of the individual communication records.

Overview of Record Types

Rec.Type	Table	Direction	Usage
WM01	LDK01	R/2 ® R/3	Goods movements from Inventory Management
WM02	LDK02	R/2 ® R/3	Posting changes
WM03	LDK03	R/2 ® R/3	Transmission of general delivery data
WM04	LDK04	R/2 ® R/3	Transmission of additional delivery data
WM05	LDK05	R/2 ® R/3	Material master changes (creating/changing)

WM07	LDK07	R/3 ® R/2	Goods movements from Warehouse Management
WM08	LDK08	R/3 ® R/2	Confirmation of LVS quantities to RV deliv.notes
WM09	LDK09	R/3 ® R/2	Communication of differences

Status of Communication Records

When a communication document is created, the communication records are given a record status for the technical transmission process. On the basis of this status, the system can determine the position of each communication record within the communication document.

The possible record statuses are listed in the table below:

Status of Communication Records

Status	for...	Meaning
F	First	First record of a communication document
L	Last	Last record of a communication document
blank	Middle	Record positioned between first and last record when more than 2 exist
S	Single	Communication document consisting of one record

You can view the status of a record when using the analysis tool. See The Analysis Tool.

Communication Number

If the system discovers during a transaction that a communication document is to be created, it first determines the receiver on the basis of a communication number.

A communication number is the technical definition of the receiver (destination system, application, client, receiving program, and so on). The key for the queue file "DOUT" is determined by means of the communication number.

Queue ("DOUT")

The queue is in an interim file (called DOUT) in the transmitting system. The communication records to be transmitted are stored here before the transmission takes place.

The communication documents can be sent from the DOUT file to the companion system either automatically or manually.

Transmission Program

There is a program (the so-called "driver") that is responsible for the transmission of communication documents to the partner system.

If transmission takes place, the program performs the following tasks:

It sets up the connection to the receiving program in the destination system.

It transmits the communication documents from the DOUT file to the destination system via CPI-C.

To activate the driver program, there are various possibilities, depending upon the system (R/2 or R/3). The driver can be started

manually

automatically

as a batch process

Receiving Program

In the receiving system, the communication document is received by a receiving program. The receiving program performs the following functions:

It writes the individual communication records in the table that was defined for the corresponding record type (see Mail Control in the R/3 System.)

A status record (LDK00) is created for each communication record that serves to monitor the communication process.

It checks the data contents of the communication records.

It initiates the postings in the receiving system.

Receiving Tables

The communication records that are transmitted in a communication document are placed into interim storage in the receiving system (R/3) in the table defined for the respective record type (see Mail Control in the R/3 System.)

As soon as the postings required for a communication record have been carried out, the system marks the communication document accordingly.

Status Table LDK00

In order to monitor the communication process, a status record is entered for each communication record in table LDK00 of the receiving system when the communication document is received. If the receiving system could not process the communication record, this fact is noted accordingly in the status record.