[PCB_FORUM] Re: Best way to do a Do Not Install... list for OrCAD CIS

Original BOM can also be treated as a variant BOM, a variant BOM lists all components needed to build this particular variant (components which are common for all variants and components which are unique for this particular variant). You can have several variants and always a core design which lists all components which were originally drawn on a schematic. Variants are nice because user defines a groups of components and each group can have different configurations (values assigned). Variant BOM is created by selecting a configuration of each group. 

Robert


Mark Salberg wrote:
Speaking of variants...I see that different values can be assigned as well as DNI for DO NOT INSTALL on variant schematics. But, can it handle parts that are NOT populated on the original BOM, but want to populate on a variant BOM. 

Thanks,
Mark

Robert Szumowicz wrote:

Hi ,
we use variants although it has its advantages and disadvantages. A good thing is that for a single schematic you can have multiple BOM options with different components fitted or not, it also handles different parts fitted for particular RefDes depending of a BOM. A drawback of using variants is that they need to be configured when a hierarchical schematic is finished to access all parts in the hierarchy (does not apply for flat designs). If you want to reuse a schematic page on other design then variants will not be passed as they are not assigned to a schematic page but to a whole design. A part property saying whether the part is fitted or not is a modest option but more robust. 

Robert

Gene Carman wrote:


    Looking for suggestions on the best way to handle Do Not Install
    BOM parts in CIS.
        Anybody have any suggestions on how you do this.
        Some may call these DNI or Do Not Place (DNP) lists.
        Perhaps variant lists are the best way, but I am looking for
    suggestions.



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