Use this activity to run a Project Material Requirements Planning (PMRP) simulation for a Material Planning Scenario other than scenario 1, based on the current live project planning situation. Open the Perform PMRP Simulation assistant. The simulation plans project parts per project activity following the same rules as the live PMRP process, but the results exist only within the selected Material Planning Scenario.
When the Simulation Source is set to Live Snapshot, the simulation uses a snapshot of the live project planning situation at the time the job runs. Independent demands, open supply orders, and on-hand balances are read from the live data, in the same way as a live PMRP run reads them. Planning parameters are also read from the live data, unless a planning lever is used to override them for selected parts. The simulation profile is not used, and any additional demands defined on it are not included. Use this simulation source to test planning parameter changes against the live situation.
Because the live data is read at the time the job runs, two runs started at different times can give different results. When you need a fixed and repeatable baseline for comparing planning scenarios over time, use Simulation Profile as the Simulation Source instead.
Under Scenario Selection, select the Calculation Type and the Material Planning Scenario, and set the Simulation Source to Live Snapshot.
You can run this simulation with the Calculation Type set to Per Project PNG, Per Activity, or Per Planned Netting Group. For any calculation type, you can limit the simulation to a subset of parts under PMRP Selection, for example, by part, planner or buyer, product family, product code, commodity group, part type, lead time code, or low level code.
Under Parameters, select the Site and, depending on the calculation type, the Project ID, the Activity Seq, or the Planned Netting Group. You can also specify the run date and the MRP horizon.
The remaining options work as in a live PMRP run, for example, Stop Project MRP on error and Plan Safety Stock Receipt on PMRP Run Date. For the Per Activity calculation type, you can also enable the Exclude PPSAs grouped under any PNG toggle.
To override planning parameters for selected parts during the simulation, for example, the planning method, safety stock, lot sizes, or primary supplier, select a Planning Lever. For more information, refer to the About Planning Levers document.
Enable the Run integrated with CRP toggle to calculate simulated machine and labor operation loads for the simulated project supply.
Under MRP Parameters, enable the Start Site MRP process once PMRP is complete toggle to continue with an MRP simulation for the same site and Material Planning Scenario, using the same Simulation Source and planning lever. For that MRP simulation, you can also enable the Plan Alternate Component and Plan Safety Stock Receipt considering MRP Run Date toggles.
This job is posted as a background job and can be scheduled for later execution.