What’s in the Black Box?
Let’s discuss how to represent certain objects in a SolidWorks Electrical schematic as a “Black Box.” A black box is a generic schematic symbol which can be used to represent any device or apparatus, acting as a time saving feature where a new unique symbol is not required or there is no time to create one. Black boxes are rectangular and can have editable pins associated to them. Once a black box has been created on the fly, it can then be added to the symbol database for reuse across the company. In this case let’s create a black box that represents a drive.As you can see, the terminal identifiers show up on the schematic itself and they are also part of the component object in the database. The wires that connect to the drive also are aware of this fact and from to lists can now be automatically generated.
The table on the drawing is showing the Wire Number as well as the Origin and destination of each of the wires. These can even go to other pages of your schematic with great ease, but that will be the topic of a future blog article. The above events may seem trivial to create in SolidWorks Electrical, but doing something like this in other 2D CAD systems, even ones created especially for Electrical Engineers, can be an hours long process. The video below show more detail on creating black box symbols and then adding them to your library for future use.
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