In the Update Material Requirements Plan screen, you can run material requirements plans in Full Regeneration or Net Change modes. If conditions force the run in Full Regeneration mode, the Net Change option is not available. However, if the full regeneration flag is not enabled (MRP_REGEN_FL is N in SQL), you can run the next update either in Full Regeneration or Net Change mode, provided that you have selected the Allow Net Change MRP check box in the Corporate Settings block of the Configure Material Requirements Planning Settings screen.
In order for a part to be selected for MRP planning, the part must be active (that is, the Active check box must be selected in the Manage Parts in Costpoint Product Definition), and have a Planning Type of MRP in the Planning subtask in the Manage Parts screen. In addition, parts will also be selected for MRP planning if Plan MPS Part Requirements is selected in the Corporate Settings block of the Material Requirements Planning Settings screen, and the part's Planning Type is MPS in the Planning subtask in the Manage Parts screen. These conditions must be fulfilled in order for the applications to update the net change flags for parts in various Costpoint applications.
If you run in Full Regeneration mode, the program will review all active MRP parts in the part master and determine which planned orders need to be generated. The program will delete all previously created MRP planned orders and requirements at the beginning of this process and re-add them as necessary during the process. The net change flag of all parts that were selected for MRP update is changed to N after the process has run successfully in Full Regeneration mode. The full regeneration flag is also changed to N (No) after a successful run in full regeneration mode.
Modifications made to the Project Planning Option (that is, the MRP option code), Netting Group, or default inventory abbreviations in the Manage Inventory Projects screen in Costpoint Inventory force the next MRP update to be in Full Regeneration mode, because the MRP regeeration flag is Y (Yes). Adding a new inventory project will also force the next MRP update to be in Full Regeneration mode. If you select the Allow Net Change MRP in the Corporate Settings block of the Material Requirements Planning Settings screen, Costpoint will also force the next MRP update to be in Full Regeneration mode, but you can execute all subsequent MRP runs in either Net Change or Full Regeneration mode.
The Net Change mode is available only if you have selected the Allow Net Change MRP check box in the Corporate Settings block of the Material Requirements Planning Settings screen.
In Net Change mode, only those parts (and their components) that have had relevant activity since the last time the Update Material Requirements Plan application was run will be checked. You cannot run this mode unless the part's net change flag (PART. NET_CHG_FL) is set to Y (Yes) every time modifications are made to data that can affect that part's inventory requirements.
If for some reason, the MRP is already set to run in Full Regeneration mode (MRP_SETTINGS_CORP. MRP_REGEN_FL = Y), subsequent activities that would normally update the part's Net Change Flag from N to Y will not do so, because all parts are already slated to be re-planned in the next run (in Full Regeneration mode).
The net change flag for all parts that were selected for the MRP Update is changed to N after the process has run successfully in Net Change mode.
The following lists the Costpoint applications that update the net change flag.
If you add or delete a component part, or modify one of the following fields, the Net Change Flag changes from N to Y.
Manage Manufacturing Bills of Material or Release Manufacturing Bills of Material main screen: Quantity, Qty Type
Component Type (assigned to the part in the Manage Parts screen), Leadtime Offset, Omit Requirement, Stop Explosion.
Similarly, if you modify the assembly part's Yield percentage or BOM Status, the Net Change Flag will also be changed from N to Y.
If you modify an assembly part's MBOM Status, the assembly part's Net Change Flag will change from N to Y.
If the original or new component is an MRP planned part, the parent assembly part's Net Change Flag will be changed from N to Y.
If the copy function is either Engineering BOM To Manufacturing BOM or Proposal BOM To Manufacturing BOM and the process executes successfully, the copied assembly part's net change flag will be changed to Y, thus flagging the part for the Update MRP process in Net Change mode.
If you add, modify, or delete a manufacturing bill of material, the assembly part's net change flag will be updated from N to Y.
If you add or delete a component part, or modify the Quantity, Quantity Type, Component Type, Omit Requirement check box, or Stop Explosion check box, the net change flag changes from N to Y.
If you modify a manufacturing bill of material component part, the net change flag will be updated for both the original and the new part.
New part/revisions have an initial net change flag of Y."If you modify a part (both Original and Change-to), the flag will be changed from N to Y.
Modifications to an assembly part's bills of material for MRP planned components update the parent assembly's net change flag from N to Y.
If the From Location is different than the To Location, the transferred part's net change flag will be changed from N to Y.
Also, if you selected the Plan Warehouse Separately check box in the Corporate Settings block of the Configure Material Requirements Planning Settings screen, and the inventory transaction line's from and to warehouses are different, the transferred part's net change flag will be changed from N to Y.
The issued part's net change flag is updated from N to Y. If you modify the Issue Type or the to inventory abbreviation on an inventory issue, the net change flag will also be changed from N to Y.
If you add, modify, or delete a reservation line, the associated part's net change flag will be changed from N to Y.
If you modify the part, the net change flag will be changed from N to Y on both the original and the new part.
If you modify the from inventory abbreviation (for Issue reservation types) or from or to inventory abbreviation (for Transfer reservation types), the net change flag for the reserved part will also change from N to Y.
The net change flag for all affected parts is updated from N to Y.
The net change flag for all affected parts is updated from N to Y.
The part associated with any line that is added, modified, or deleted will have its net change flag changed from N to Y.
If you modify the part, the Net Change Flag changes from N to Y. on both the original and the new part.
If you modify the from inventory abbreviation (for Issue request types) or from or to inventory abbreviation (for Transfer request types), the net change flag for the requested part will also change from N to Y.
The net change flag for all affected parts is updated from N to Y.
The Net Change Flag for all affected parts is updated from N to Y.
For all transfers with a non-zero quantity, the part's net change flag is updated from N to Y. The flag will also be updated if reservations are deleted for that part.
Issues to Project/Acct/Org — The issued part's net change flag is updated from N to Y.
Issues to MOs — The issued part's net change flag is updated from N to Y.
Location Transfers — If the From Location is different than the To Location, the transferred part's net change flag changes from N to Y.
Inventory Transfers — The net change flag for all affected parts is updated from N to Y.
Quantity Adjustment — The net change flag for all affected parts is updated from N to Y.
If Costpoint MRP is active, and you modify a component part's low-level code, the part's net change flag will be updated from N to Y.
If you create a modification that will affect the quantity, status, planned release date, or due date of an order, requisition, or reservation, the associated part's net change flag will be updated from N to Y. If you cancel an order, the net change flag will also be updated from N to Y.
If you alter an MO reservation line's quantity or need date, or if the reservation line is deleted as a result of MO modifications, the part's net change flag for reservation line changes from N to Y.
The Net Change Flag is not updated if a planned order is selected, modified, or deleted.
If any pegging row is inserted, modified or deleted, both the parent and components of an assembly BOM will have their net change flag updated from N to Y, respectively.
After the MRP process is run successfully, all affected parts have their net change flag set to N. This applies to updates in both Full Regeneration and Net Change modes.
For each part for which a manufacturing order, requisition, or reservation is generated, the net change flag is changed from N to Y.
If any additions, modifications, or deletions affect reservations, the associated part's (and components) net change flag will be updated from N to Y.
If you modify the part, the Net Change Flag will be updated for both the original and the new part.
If any additions, modifications or deletions affect reservations, the associated part's (and components) net change flag will be updated from N to Y.
If you modify the part, the net change flag will be updated for both the original and the new part.
The issued part's net change flag is updated from N to Y.
The net change flag for all affected parts is updated from N to Y.
If any additions, modifications, or deletions affect reservations, the associated part's (and components) net change flag will be updated from N to Y.
If you modify the part, the net change flag will be updated for both the original and the new part.
If you add or delete an MO, the build part's net change flag changes from N to Y. Also, the net change flag of any requirement components will be updated from N to Y. as a result of the reservations created.
If any MO modification affects the build part's order quantity or the planned due date, the net change flag for the build part will be updated from N to Y. If you modify the build part, the flag will be updated for both the original and the new part.
Similarly, if any MO requirements modifications affect the inventory reservation quantity or the planned reserved quantity (if MRP is not used) for the build part, or the MO's need date, the component part's net change flag will be updated from N to Y. If you modify the build part, the net change flag will be updated for the component requirements of both the original and the new part. Only an MO with a status of Planned can create a planned reserved quantity for the components (which could be subassemblies that have their own MOs). If MRP is used, MOs with a Planned status cannot be used.
For any issue line with a non-zero quantity, the part's net change flag is updated from N to Y.
If you add or delete an MO, the build part's net change flag changes from N to Y. Also, the net change flag of any requirement components will be updated from N to Y as a result of the reservations created.
If any MO modification affects the build part's order quantity or the planned due date, the net change flag for the build part will be updated from N to Y. If you modify the build part, the net change flag will be updated for both the original and the new part.
Similarly, if any MO requirements modifications affect the inventory reservation quantity or the planned reserved quantity (if MRP is not used) for the build part, or the MO's need date, the component part's net change flag will be updated from N to Y. If you modify the build part, the net change flag will be updated for the component requirements of both the original and the new part. Only an MO with a status of Planned can create a planned reserved quantity for the components (which could be subassemblies that have their own MOs). If MRP is used, MOs with a Planned status cannot be used.
The net change flag is updated from N to Y for the build part, whenever a positive or negative quantity relief is saved or the MO's status is modified. If you delete or insert reservation lines, the net change flag for each part on a reservation line will also be updated from N to Y.
For each part for which a manufacturing order, requisition, or reservation is generated, the net change flag is changed from N to Y.
The net change flag for all affected parts is updated from N to Y.
If you add a new part, its net change flag has an initial value of Y.
If you add or modify safety stock for a part or project, the part's net change flag will be updated from N to Y.
Planning subtask: If you modify the part's Planning Type, Lead Time, Inventory Part check box, Common Stock check box, Order Policy Type, Planning Type, Minimum/Multiple/Max quantities, Common Stock Inventory Abbreviation, Inventory U/M, or U/M Conversion, the part's net change flag changes from N to Y.
If the part status is Phase Out or Estimating, or if the part is inactive, the net change flag is not updated from N to Y.
If you add or modify safety stock for a part or project, the part's net change flag will be updated from N to Y.
If you add a new part, its net change flag has an initial value of Y.
If any modification is made to the part's Planning Type, Inventory Part check box, Common Stk check box, Order Policy Type, Minimum/Multiple/Max quantities, Common Stock Inv Abbrev, Inventory U/M, or U/M Conversion, the part's net change flag changes from N to Y.
If you add, modify, or delete a purchase order or PO line (standard or release PO only) in such a way that the on order quantity for the part is altered, or if the due date is modified for an inventory PO line, the part's net change flag will be updated from N to Y. If you modify the part, the net change flag for both the original part and the new part will be updated.
If you delete, void, or close a purchase order or PO line (standard or release PO only), and the associated reservation lines with inventory abbreviations are deleted, the net change flag of the line parts will also be updated from N to Y.
If you add, modify, or delete a purchase order or PO line (standard or release PO only) in such a way that the on order quantity for the part is altered, or if the due date is modified for an inventory PO line, the part's net change flag will be updated from N to Y. If you modify a part, the net change flag on both the original and the new part will be updated.
If you delete, void, or close a purchase order or PO line (standard or release PO only), and the associated reservation lines with inventory abbreviations are deleted, the net change flag of the line parts will also be updated from N to Y.
If requisition modifications affect the blanket order quantity for the PO line part, the net change flag for the part will be updated from N to Y. If you modify the part, the net change flag will be updated only for the new part.
If you add, modify, or delete a purchase order or PO line (standard or release PO only) in such a way that the on order quantity for the part is altered, or if the due date is modified for an inventory PO line, the part's net change flag will be updated from N to Y. If you modify part, the net change flag on both the original and the new part will be updated.
If you add a requisition line, the net change flag for the line part will be updated from N to Y. If a requisition modify affects the requisition quantity, or if the requested date is modified for an inventory requisition line, the net change flag will also be updated from N to Y. If you modify the part, the net change flag will be updated for both the original and the new part.
If you create, modify, or delete a PO assignment to the requisition line, the net change flag will also be updated from N to Y.
If you delete, void, or close a requisition or requisition line, and the associated planned reservation quantity for each line is deleted, the net change flag of the part on the requisition line will be updated from N to Y.
If the requisition line has an inventory abbreviation, the net change flag for the part will be updated from N to Y whenever a PO is created.
If a reservation is added, or if modifications are made to the reservation quantity or planned reservation quantity, each of the reservation line rows' parts will have their net change flag updated from N to Y.
If the status of a requisition line with an inventory abbreviation changes to Rejected, the net change flag for the part on the requisition line will be updated from N to Y.
If the status of a requisition line with an inventory abbreviation changes to Rejected, the net change flag for the part on the requisition line will be updated from N to Y.
If you add, modify, or delete a line with an inventory abbreviation, the affected part's net change flag will be updated from N to Y.
When you save a new line, the affected part's net change flag is updated from N to Y.
If you add, modify, or delete a line that has an inventory abbreviation, the affected part's net change flag will be updated from N to Y. If you modify the part ID, the net change flag for both the original and the new part will be updated.
If you add, modify, or delete a line that has an inventory abbreviation, the affected part's net change flag will be updated from N to Y.