![]() This is because they made a symbol and did not change the "placeholder" letters "DV" (as in generic DeVice) with something real. But the vast majority of the customers I visit as a consultant have a table named DV. How does it know which table to open? The relay coil symbol is named HCR1.dwg or VCR1.dwg. For example when you click Lookup for a relay, the software opens the CR table to allow you to select a relay without seeing pilot lights, circuit breakers, and everything else. The letters "DV" were intended only for some symbol you make that has no home in one of the other data tables, and you can't find an actual family code in Annex-E of NFPA-79. This is also how the software knows to bring up the editor for PLC modules, so you can assign I/O addressing, enter I/O description text, etc. The letters PLCIO instruct the software how to manage the symbol and which catalog table to open for part number assignment and BOM details. I have for example, a PLCIO_1794IR8 Flex I/O module that inserts all at once with a fixed wire spacing, per my customer's requirement. ![]() I have made many modules over the years for customers who wanted a unique look and did not want to use the parametrically-built symbols. You can add the underscore to denote the unique identifier but it will actually function without it. The software is very much driven by filenames (a.k.a. ![]() The same as with terminals and connectors, there is a different syntax for PLC modules. ![]() PLC modules are not named like other symbols. ![]()
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