> The Production LT will be calculated only for Materials that are Produced. We will use SAP "Procurement Type = E" (In House Production) to identify those Materials.
When the item's procurement type is X, we will use the Purchased LT.
> In order to calculate P&I 'Production LT'we take as default the 'Processing time' from Work scheduling view (SAP Material Master). If this value is empty, we take the 'Inhouse production time'.
P&I Lead Times | Level Required | Proposed SAP Field | Purpose in SAP | SAP Level | Comment |
Production LT | Material / Plant | Work scheduling view : Processing time (MARC-BEARZ) + Base quantity (MARC-BASMG)
or if not filled-inMRP view or Work scheduling view : Inhouse production time (MARC-DZEIT) | The Processing time + base quantitty from 'Work scheduling view' or the inhouse production time are used by the MRP -> Scheduling activities.Either Processing time + base quantitty or Inhouse production time can be maitainted.Note: According to the Scheduling MRP parameter either those material master data will be used or the routing/recipe data will be used. | Material / PlantWorkdays | |
GR Processing LT | Material / Plant | GR processing time (MARC-WEBAZ)
| Number of workdays required after receiving the material for inspection and placement into storage. | Material / PlantWorkdays |
To see the full list of LT extracted from SAP, please refer to: Leadtimes coming from SAP
Monolevel RLT Calculation
To calculate the total 'Monolevel' lead time of Produced Materials, we add the Good Receipt Processing time ("GR processing time" of SAP MM > MRP2 view).
Monolevel RLT Produced Materials = Production LT + GR Processing LT
SHS RLT Calculation
The SHS-dependent Replenishment Lead time (SHS RLT) will be calculated from a number of different lead times coming from SAP.
> This SHS RLT will be multilevel & multi-site
> We will compare this ‘Industrial’ RLT with the Promised LT to Customer (‘Catalog LT’) and adjust the Strategy of the Product (MTO, MTS, MTF) accordingly.
More information can be found here.
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