Control box design tools/spreadsheets

05 Dec 2017 18:38 #102696 by SaltyPaws
I am planning a CNC gantry machine and I have decided to use a 2 mesa cards. In addition to the mesa cards, I would need to add:
Power supplies
Safety relays for estop
Relays for switching VFDS and other equipment
Breakers for dust removal/other higher HP equipment
Indicator lights
switches etc
I am planning to use din rail mounted equipment

In my experience so far with control boxes, building is the easy part, and documenting the system is the hard part. I have searched around for good software, but I could not find any open source software available. Perhaps the best way to document the control box would be a spreadsheet. How have others documented their control box? I have seen some really elaborate cnc conversions, and I cannot imagine it was all done on paper or by winging it. If you have some elaborate spreadsheet for the control box design – please share. If you have used other software – please share.

Much appreciated!
07 Dec 2017 12:14 #102738 by BigJohnT
Paper has been used for a long time to document things. I just use a text editor and make a connection list.

Terminal Block
Terminal Number > Destination

08 Dec 2017 19:02 #102787 by SaltyPaws
Hi JT,

Would you be able to share a screenshot of your document? In this case picture is worth a thousand words.

10 Dec 2017 12:35 #102866 by BigJohnT
I don't have any handy but exactly how you word it is up to you.

12 Dec 2017 01:47 #102962 by andypugh
I tend to use a spreadsheet.
Columns like
function | pin number | wire colour | pin number | wire colour |
As many times as needed to get from source to destination.
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