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10-04-2016 #1
Hi all,
doing the last modifications on my machine and need some help on this.
currently I have a cheap prob which is basically a plate and a small clamp each with its wire and if you clamp the tool and it touches the plate I can hook them up to a +24v and pass it to my controller as input, I'm sure you all know this concept heh.
would it be possible/safe to just connect the plate to the +24v input and the the input port to earth? that would eliminate the need to clamp the tool and just make it a bit more professional.
I'm thinking of doing this because the whole machine is already grounded/earthed by virtue of spindle ground wire ( I think ) and all the metal bodies in contact. but I just don't know if it is safe or good practice to have earth be connected to the + port of the input pin. can some high voltage pass through which would damage it?
the controller is CSMIO-M so the input port has a + and - pins and the - is connected to the common ground of all my +24v lines.
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