Calculate MS Level 1 for Single Part
Explanation
This activity is used to calculate MS level 1 for a
single part. This calculates forecast and actual demand, traces orders, and
provides action proposals. The master production schedule is calculated and created from
forecasts on level 0, the forecast you enter on level 1, and the actual backlog
of orders. This gives you quick access to the results of the forecasts you
entered.
Prerequisites
To perform this activity, you must have entered master
schedule level 1 parts and registered forecasts. The registration of level 1
parts can be handled manually or automatically from the level 0 calculation.
System Effects
- The system's calculation suggests new orders and
actions for existing orders.
- MS results in a gross demand, which forms the
basis of MRP.
- While the calculation is underway, an on-hand
analysis is made. You can view it in the Calculated Balance field in
the MS Level 1 Part
window.
- At the start of each calculation, period 1 is
updated. This means that the system considers the run date. If the program
was run on Tuesday and the period used is a five-day week that includes
Friday, then period 1 will be from Tuesday to Friday. If the program is run
on Wednesday, period 1 is from Wednesday to Friday.
- The physical quantity on hand is updated during
calculation. This value is used for calculating quantity on hand development
and available to promise.
Note: In the master schedule Level 1 calculation,
manufactured/acquired split, supplier split ,standard multiple quantity and
lot sizes will be considered.
Window
MS Level 1 Part
Related Window Descriptions
MS Level 1 Part
Calculate MS Level
1 Part
Procedure
- Open the MS Level 1 Part
window.
- Search for the part for which you want to run the
master scheduling level 1 calculation.
- Right-click on the header, and click Run MS -
One Part. The Calculate Master Scheduling Level 1 for a Single Part
dialog box is opened.
- Verify that the site, part number and project PNG (if it
is project master scheduled part) are correct.
- In the MS Set field, enter the master
schedule set for which you want to run the calculation. Click List to
select from available sets.
- In the Run Date field, specify the date on
which you want to perform the calculation.
- Select the Run integrated with CRP check
box if you want master scheduling to use the CRP calculation in order to
determine the start date for master production schedule receipt.
Note: When the Run integrated with CRP check box is selected,
the start date is more accurate because CRP uses operations and actual work
center data to determine the start date, whereas MS normally uses the
routings variable and fixed lead time to determine the start date. Also, if
this check box is selected, material will be more accurately planned to be
available just before the connected operation starts. When this check box is
not selected, the work center calendar is not considered and the operation
connected or unconnected material are planned to be supplied just before the
start date of the receipt.
- Click OK.