9
Task: Automatic Update of BOM Table
The BOM table shown below represents the schematic design of a simple circuit.
The task is to adjust some catalog part number assignments, quantities, and then update the BOM table to accurately reflect
these changes.
Steps
1. Add a “mushroom-head” pushbutton to the design.
2. Change the part number assignment on one pilot light. Change it from its existing “red” part number to a
“green” part number.
3. Update and expand the BOM table to reflect these changes.
Study Results
In basic AutoCAD, adding the new pushbutton into the
existing wiring takes time to manually break and reconnect.
Changing the red pilot light to a green one is pretty easy,
just change the “R” attribute value to a “G”. But then the
tedious, error-prone part begins. The BOM table needs to be
carefully expanded to make room for two new part numbers
used in the design: the new mushroom-head pushbutton
and the new green pilot light. Using the basic AutoCAD
“table” object helps a lot but this is still a painful manual task,
and lots of chances to miss something or incorrectly enter a
tag, part number, or quantity. Using AutoCAD Electrical
resulted in a
82% time savings over basic AutoCAD.
Advantages of AutoCAD Electrical
• Part number assignments selected from pick lists. Full descriptions are included automatically with the
part number selection.
• Rerunning the BOM report / “Place on drawing” option updates the existing BOM table. It expands the table
automatically if new entries have been added.
• Minimizes errors: miss-typed component tag names, quantities, and descriptions.
• The Surfable Report features allows you to automatically locate a component within your drawing set, by selecting tag
number, catalog number or description directly from the BOM.
8.
Automatic Update of BOM Table
Productivity Gain* AutoCAD AutoCAD Electrical
Number of Commands Utilized 7 4
Number of Times Commands Were Accessed 9 4
Total Number of User Picks, Clicks, Keystrokes 154 25
Total Time to Complete Task (minutes, seconds) 4:25 :47
Time Saving with AutoCAD Electrical — 82%
Automatic Project Reports
Drastically reduce time required to manually generate and update reports while removing
associated errors. Report generation in AutoCAD Electrical is simple with automatic reports
that cover everything from bills of materials (BOMs), cable lists, terminal reports, from/to wire
lists, plus many more. The report function gives you the option of generating multiple reports
with a single command and includes flexible export options.
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