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Saturday, August 9, 2008

Changing MRP PPC Planning Calendars

If you want to change already existing planning calendars, proceed as follows:

  1. Starting from the Material Requirements Planning menu screen, select, Master data
  2. ® Planning calendar ® Change periods.

    The initial screen for maintaining the planning calendar now appears.

  3. Enter the plant for which the planning calendar is to be valid.
  4. Select
  5. Calendar overview.

    All the planning calendars available in the system are displayed for selection.

  6. Select one or more planning calendars and select
  7. Continue.

The first selected planning calendar now appears. Here, you can carry out the changes necessary.

Defining New Procurement Dates

To determine new procurement dates and periods, proceed as follows:

  1. Select Edit
  2. ® Change calcul. rule.
  3. Select the new calculation rule.
  4. You can choose between the following calculation rules:

    – Weeks (week days)

    The period is one week. One period stretches from a certain day of the week to another day of the week which you must specify.

    – Months (week days)

    The period is one month. You define the period start or the period end by entering a weekday and how often it is to be repeated (for example, every second Wednesday).

    – Months (workdays)

    The period is one month. You can specify the workday/workdays of the planning calendar according to the workdays defined in the factory calendar.

    – Year (workdays)

    The period is one year. You can specify the workday/workdays of the planning calendar according to the workdays defined in the factory calendar.

    – Workdays

    For this calculation rule, you enter the start date and then the periodicity.

    – Week days

    The calculation rule is specified by defining the week period and also the day of the week (for example, every second Wednesday).

  5. Press
  6. Continue.
    1. In the screen area "Calculation rule for period specification", the the system asks you to specify the parameters of the corresponding calculation rule.
  7. Enter the start date of the period calculation in the Calculation start date field.
  8. Enter the required periodicity.
  9. Press
  10. ENTER or select, Edit ® Calculate periods.
    1. The pop-up window "New Dates" now appears.
  11. The start date that you entered in the previous screen is displayed in the field Valid from (it may possibly have been shifted to a valid workday). You can change the date here, if necessary.
    1. In the Valid to field, the time period that results from the minimum period, is displayed. Here, you enter the date up until which the system is to calculate the periods.
  12. Press
  13. Continue.
    1. You then receive the display of the calculated periods.
  14. If you do not want to carry out any further changes, save your entries.

Creating New Periods Manually

  1. To create individual periods, select Goto
  2. ® Periods.

    The period display screen now appears.

  3. Position the cursor on the line where you want to create a new period and select,
  4. Insert.
    1. It is now possible to make the necessary changes in To date line that you selected and in the following line in the From date field.
  5. Enter a new period end and a new period start.

After pressing ENTER , a message or a course of action is displayed for the changes in the line to the right of the periods.

Changing Existing Periods Manually

  1. To change existing periods, select Goto
  2. ® Periods.

    The period display screen now appears.

  3. Overwrite the From date and the To date.

After pressing ENTER , a message or a course of action is displayed for the changes in the line to the right of the periods.

Deleting Individual Periods

  1. To delete existing periods, select Goto
  2. ® Periods.

    The period display screen now appears.

  3. Position the cursor on the line that you want ot delete and select,
  4. Delete entry.
    1. The corresponding period is deleted.
  5. Save your entries.

If you selected several calendars in the overview, the system now automatically displays the next planning calendar that you selected.

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