BOM Changes (SAP Library - Engineering Change Management (LO-ECH))

BOM Changes

The BOMs are sorted by BOM category.
If more than one BOM is listed in the one BOM category, the object numbers are sorted in ascending order.

The header or item record is duplicated in every change with a history requirement. The list of changes contains several display blocks with the following information:

Block that identifies the BOM (compulsory):
Alternative, <Object number> (for example, Material), Short text, Plant

This block is generated for every BOM change.

Block for changed header record (optional):
Base quatity, Base quantity unit of measure, Short text, Created by (user who created the new header record by making the change,)

Block for changed item record (optional):
Item number, Component, Item type, Component quantity, Component unit of measure, Component description

You can select and compare the header and item records. The system displays the old and new values of the changed data on a special screen.

Processing Indicators for Header and Item Records

The display blocks for the changed header and item records begin with the column CHG. The processing indicators show how the header or item record was processed with reference to the change number.

Processing Indicators for Header and Item Records

Header and Item Records

Abbreviation

Meaning

Active

New
Old

The record was created.
This happens when you save or change an existing header or item with reference to a change number.
The record was changed. This can happen when you change an existing header or item with reference to a change number.
The header or item is replaced.

Logical delete

Del

This happens when you explicitly delete an existing header or item with reference to a change number.
The header or item is not replaced.

Inactive

Inn
and
Ind
Inn
Ind

The valid-from date of the item is greater than or equal to the valid-to date (for example, due to a date shift).
The item becomes valid with the change number.
The item becomes invalid with the change number.

Example 1 (Identical Valid-From Date)

You create an item with change number N1 and delete it with change number N2. Both these change numbers have the same valid-from date.

The following graph illustrates this.

Identical Valid-From Date

This graphic is explained in the accompanying text

Change master record changes:

Change master record changes N1

Before deletion: New
After deletion: Inn

Change master record changes N2

After deletion: Ind

Example 2 (Date Shift)

You create an item with change number N1 and delete it with change number N2. These change numbers have different valid-from dates.

The date can be shifted in the following ways:

The N2 date is shifted to before the N1 date
The N1 date is shifted to after the N2 date.

The following graph illustrates shifting the N1 date to after the N2 date.

Date Shift

This graphic is explained in the accompanying text

Change master record changes:

Change master record changes N1

Before the date shift: New
After the date shift: Inn

Change master record changes N2

Before the date shift: Del
After the date shift: Ind

Header and Item Records	Abbreviation	Meaning
Active	New Old	The record was created. This happens when you save or change an existing header or item with reference to a change number. The record was changed. This can happen when you change an existing header or item with reference to a change number. The header or item is replaced.
Logical delete	Del	This happens when you explicitly delete an existing header or item with reference to a change number. The header or item is not replaced.
Inactive	Inn and Ind Inn Ind	The valid-from date of the item is greater than or equal to the valid-to date (for example, due to a date shift). The item becomes valid with the change number. The item becomes invalid with the change number.