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SAP Production Planning Table

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M R P<br />

Q: We have a lot size procedure here which is creating more order proposals. How<br />

do you set the limit value for maximum number of MRP order proposals<br />

per date in IMG?<br />

A: Under customization, try materials management->consumption<br />

based planning->maintain all plants<br />

Q: What is the difference between "planned consumption" and<br />

"Unplanned consumption"? Can safety stock calculation be done on<br />

either of these?<br />

A: While customizing movement types (OMJJ) it is defined as to which<br />

set of consumption values gets posted during the material movement.<br />

For some it may always be the total consumption and for some it is<br />

always the unplanned one and for some it is dependent on whether the<br />

issues were done with reference to a reservation ie., a planned<br />

consumption. The way these consumption values are taken into<br />

account in MRP is defined in the customizing of MRP types.<br />

For Reorder point planning (VM) the total consumption is used to<br />

calculate the safety stock and the reorder point.<br />

For Forecast based planning (VV) the total consumption is used to build<br />

the forecast which will be used to compile the order proposals.<br />

For Deterministic MRP (PD) the unplanned consumption is used to<br />

calculate the forecast which in turn is added to the actual demand.<br />

Q: We want the system to run a single level MRP automatically on receipt of sales order.<br />

How to configure triggering event based MRP?<br />

A: This can only be run if material master has planning strategy 41 (made-to-order) in the<br />

MRP2 view. We need to run for other MRP types. We have to create a user exit in the<br />

sales order processing (VA01) to start MRP based on data from our sales transaction.<br />

Q: We have an assembly 'A' using a subassembly 'B'. 'B' in turn uses raw material 'C'.<br />

Item 'A' is an MPS and is duly marked in Material Master. Item 'B' and 'C' are marked as<br />

'PD'. When demand for 'A' is entered and MPS is run , upto which level the requirements<br />

are taken care of?<br />

A: MRP can be run depending on your requirement. For example:<br />

1. Single Item / Single Level from MPS - Transaction Code MD42 - Only the top<br />

MPS item ( 'A' in this case) is planned and dependent requirements will be passed<br />

to MRP item ( 'B' ) . Run MRP, Transaction MD02 on 'B' to plan it and all MRP<br />

items below .<br />

2. Single Item / Multi Level from MPS - Transaction Code MD41 - All levels are<br />

planned - A , B & C<br />

3. Total <strong>Planning</strong> from MPS online or background - Transaction Code MD40 or<br />

MDBS

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