MRP MRP wizard Detail Forecast - robinfeng/beashelp GitHub Wiki
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Navigation: MRP > MRP Wizard > Detail: Forecast No contents entries on this page Contents Material requirement planning MRP wizard Planning scenarios Detail Pegging and replenishment Breakdown replenishment Inventory Forecast Resources Computation View Authorizations
Forecast Further settings for forecast-calculation See Configuration Wizard - Forecast Forecast (SAP) Planning scenarios - Planning MPS
Field Meaning Gross calculation If long-term forecasts must be calculated with many complex assembly structures, then the calculation gets very complex and can possibly last very long. hmtoggle_plus1 Details As for long period calculations results exact to the minute are not necessary, a fast mode of calculation is provided here: gross calculation. The material requirements is determined using the function "calculate resources" and must not be broken down at the time of the calculation of the purchase recommendation any more.
With this calculation method the assembly structure is broken down completely. Requirement coverage calculation is not available, but balance calculation is.
Example Finished part "A" - semi-finished part (storage related) "W" - purchase part "P" stock "W" = 2 pieces requirement "A" = 5 pieces
Net requirement calculation results: A = 5 pieces, W = 5 pieces, purchase part "P" = 3 pieces, because W is covered from stock (requirement coverage calculation)
Gross calculation A = 5 pieces, W = 5 pieces, purchase part "P" = 5 pieces, because no requirement coverage calculation is performed.
Resource scheduling (MRP2) is based on lead time calculation. Therefore "gross calculation" must be deactivated if resource scheduling is required.
Item setting "order multiple" is not considered. Order related assemblies are not displayed (they have no effect on balance calculation)
Important: If this method is activated, then the material requirements must be calculated first for all assemblies concerned, or after greater changes.
See: Calculate resources
The function should be activated only for extensive long period forecasts. The function per default is deactivated. Calculate Resources Only active, if gross calculation was enabled. With this option the material requirement can be calculated in advance for assemblies. See: Calculate resources Consider SCM Forecasts Only visible, if SCM was activated in this data base. If enabled, order recommendation considers forecasts from SCM. Note: setting in Configuration wizard - materials management – MRP wizard – forecasts – consider forecasts – „as planned customer orders“ is not taken into account. SCM-forecasts are always considered based on „SAP Business One Standard“.
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