YesAX V3.1.2 - Software User Manual - 第203页
A dvance Inspection Features 14 - 17 To add an alternate part number to a location, move so that the location appears in the video window then open the Edit Part Parameters dialog. Press the Add Alt PN button allows user…
14-16 Advance Inspection Features
14.9 Alternate Part Numbers
The Alternate Part Number feature is very different from the Alternate Template feature. The
Alternate Template feature is for dealing with parts of the same part number but have different
markings on them. The Alternate Part Number feature is used when a certain location (reference
designer) of a board allows more than one part number.
For example, a location allows a 100 Ohm 5%, 0805 resistor and may also allow a 101 Ohm, 1%,
0805 resistor. If only local libraries are used, it is possible (but not strictly correct) to handle the
situation using an alternate template. However, if the central library is being used, then using
alternate templates can create serious problems because the substitution may not be allowed on
other assemblies or locations. The Alternate Part Number feature should be used in this situation.
Advance Inspection Features 14-17
To add an alternate part number to a location, move so that the location appears in the video
window then open the Edit Part Parameters dialog. Press the Add Alt PN button allows users to
select from a list of PNs. The alternate PN must exist in the part library before adding to a
location. The SW Alt PN button switches between the alternate part numbers. Only one PN
amongst the alternates can be the current PN. The Delete Alt PN button deletes the current PN
from the list of alternates.
14-18 Advance Inspection Features
Unlike the alternate template feature where the software switches them automatically to find the
best match. Switching between alternate part numbers is a completely manual affair. However,
operators are reminded of the presence of alternate part number with an icon on the Review
Failed Parts dialog when the location is under review. Moreover, switching between alternate
part numbers can be initiated in both operator and recipe programmer mode.