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SAP PP FAQ
SAP PP Frequently Asked Question
Bills Of Material
Q: We have a BOM - 'A' with two packing materials 'X' and 'Y'. For 1000 units of 'A', 1 packing material of 'X' is required and for 50 units of 'A', 1 packing material of 'Y' is required. Base quantity of 'A' is defined as 1000. How can I define 'X' & 'Y' or in fact 'A'?
A: Make the base quantity of 'A' as 5000. The resulting component quantities would be 5 of 'X' and 100 of 'Y'.
Work Centers
Q: Can we have more than 6 standard values in standard value key?
A: One way to achieve this is to create another operation step using the same work center. However this shall be with a control key that is not a milestone. When the milestone operation is confirmed, the previous operations up to the next milestone are automatically confirmed. To get the desired number of standard values , all the 'non milestone' steps can be built depending on the need.
Routing
Q: Can we use same routing for materials undergoing the same process/operations? Can we avoid separate routing for each and every material produced?
A1: Presume that there are 50 products and the fabrication shop uses a set of 10 machines. If all these products use the same settings of the machines, Reference Operation Sets (task list type S) can be setup for common processes that use the same work centers. However costing, scheduling and capacity will be affected if each product has different setup time and Reference Operation sets can not be used.
A routing for each material number ( type N or R) has to be set up and within that routing, the Reference Operation Set can be used. However you can by try utilizing the KMAT material and product variants invariant configuration to avoid separate routing for each material.
A2: You may create a routing group. Go into routing creation and enter the plant and the group name. If you want you may name the group , else name is assigned by internal counter). Create the routing with the work centers, operation times, etc.
Go to the "Header overview" screen and click on the "Mat Alloc" screen. Fill in the blanks with all the material masters that use this routing.
Q: Scheduling times can be defined in the material master record by;
# entering the in-house production time. This value can be updated from the routing by the system. # entering the setup, tear down, processing, and interoperation times. If these values are maintained, the system determines the in-house production time on the basis of lot size. How do you get the system to update this value from the routing?
A: In routing, carry out scheduling. Go into the routing operation overview and follow Extras -> Scheduling -> Results. The pop-up window displays the scheduling data. At the bottom there is a pushbutton to copy the scheduling data to the material master Check this push button to update master data.
Q: We have deleted a group key in an operation in routing and the same does not appear for this routing (CA02). But we noticed that entries are maintained in table PLPO and the deletion indicator is not set. How does the system remember this deletion of group key?
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