Example of a Correlated Schedule Line

The following example illustrates how a correlated schedule line is calculated:

 Material Materials Staging Date Requested Quantity Purchase Order Quantity Correlation Steps1 2 2 New Schedule Lines 10 pc header01 13.08.97 10 10 01.10.97 2,5 ¬ 08.10.97 2,5 20.10.97 5 ¬ 15 pc ITEM01 13.08.97 10 01.10.97 5 2,5 08.10.97 2,5 ¬ 10.10.97 5 20.10.97 5 ¬ 20 pc ITEM02 13.08.97 20 01.10.97 5 5 06.10.97 5 ¬ 08.10.97 5 ¬ 20.10.97 10 10 25 pc ITEM03 13.08.97 40 01.10.97 10 10 08.10.97 10 10 14.10.97 10 16.10.97 10 20.10.97 20 ¬

The quantity ratio of the bill of material is 1:1:2:4. The first date on which something can be confirmed for all items is October 1, 1997. Using the quantity ratio, we can see that item 25 has the lowest quantity.

Therefore, the following quantities are confirmed for October 1, 1997:

• Item 10: 2,5 Rest from 13.08: 7,5
• Item 15: 2,5 Rest from 01.10: 2,5
• Item 20: 5 Rest from 01.10: 0
• Item 25: 10 Rest from 01.10: 0

The next date is 6.10 for item 20 but nothing is available for item 20 on that day so the system takes the 8.10 as the next correlation date:

• Item 10: 2.5 Rest from 13.08: 5
• Item 15: 2.5 Rest from 01.10: 0
• Item 20: 5 Rest from 06.10: 0
• Item 25: 10 Rest from 08.10: 0

In item 20 nothing is available for item 15 on 10 Oct; or from item 35 on 14 and 16 Oct. so everything is confirmed for item 20 on 20 Oct.