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I have just checked with my multimeter, and I have about 100v AC induced between the motor housing and the cnc framework, if I ground the frame to the vfd ground terminal it drops down to 45v AC. Any...

First of all Merry Christmas to all :)

I have checked the bob JN1&JN2 was on.
so i have removed the jumpers and and fitted a 2nd dc5v 1.5A psu which solved the problem but another appeared.
...

Hello John,
I have a separate dc 5v for the bob as I was thinking better this way than the pc powering it.
But I have to check the jumpers as I can’t remember.

All worked for first try was super happy, until I turned on the vfd, which started to activate the limit switch trigger in the software.
I’ve connected the shielding of the cable to earth and when...

thanks again John great info, really appreciated!
:)

As you mentioned GND to out and so on what I was thinking at first.

thank you guys,
I will measure the voltage tomorrow when im at the workshop :)
And as mentioned due to enough inputs I will stick to 1 sensor /input.
I am not sure about the internal pullup...

Hi everyone,
i am new to this forum and really need some help to connect my proxy sensors.

I have the following breakout board:
DB25-1205 ( powered from external 5v DC psu)
...