Phasing in ECN for Bill of Material Changes in Microsoft Dynamics NAV

Phasing in ECN for Bill of Material Changes in Microsoft Dynamics NAV
As with most if not all manufacturing companies, product engineers will make changes to the product Bills of Material (BOM). One possible reason for an Engineering Change Notice (ECN) change is to use up the existing inventory of component parts before switching to the new component part. Another possibility would be the introduction of new packaging at the beginning of a new model year. In Dynamics NAV, we have two possible ways to handle this:
  • Using Starting and Ending dates in the BOM line itself
  • Using Starting dates in BOM Versions
If we look at a Production BOM in Dynamics NAV 2013, we can see that there are columns for Ending Date and Starting Date: Production BOM
Figure 1 – Production BOM showing Starting and Ending Dates Selecting and Ending Date of 12/31/2014 for Item 1400 and a Starting Date of 1/1/2015 means that when MRP is planning, it will use item 1400 up to 12/31 and will begin using Item 1450 on 1/1.  It also means that if you create Production Orders on or before 12/31, the system will use Item 1400 and Item 1450 after that. Production BOM with Starting and Ending Dates populated
Figure 2 – Production BOM with Starting and Ending Dates populated Another way to accomplish this ECN Phase In is to use Dynamics NAV Production BOM Versions. We created two Production BOM Versions. In Version 1, we have set the Starting Date to 1/1/14: Production BOM, Version 1
Figure 3 – Production BOM, Version 1 In Version 2, we have set the Starting Date to 1/1/15: Production BOM, Version 2
Figure 4 – Production BOM, Version 2 with a later Starting Date What this means is that when MRP is planning, it will use item 1400 up to 12/31/14 and will begin using Item 1450 on 1/1/15. It also means that if you create Production Orders on or before 12/31, the system will use Item 1400 and Item 1450 after that. For more information on this or any other Dynamics NAV costing topic, please contact ArcherPoint. Read more "How To" blogs from ArcherPoint for practical advice on using Microsoft Dynamics NAV.

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