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Touch Probe Plus supported voltages

Discussion in 'General Talk' started by smaugs, Apr 5, 2024.

  1. smaugs

    smaugs New
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    Hi,

    I've bought the Touch Probe Plus for a generic CNC machine. The documentation is unclear about the supported voltages for LED&Noise Filtering Circuit. See docs:xyzprobe:wiringgeneric [OpenBuilds Documentation].

    There it says that 3.3, 5 & 24V are supported - in the picture at the bottom of the page it says 5V.

    If I look at the PCB I do not see any voltage regulator or something - only a few resistors, LEDs and a capacitor - I can not imagine that this simple PCB is supporting that wide range of input voltage.

    Can someone clear things up for me?

    thanks :)
     
  2. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    3.3v to 24v yes. LEDs will just be brighter on 24v
     
  3. smaugs

    smaugs New
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    Perfect! Thank your for the fast reply!
     
  4. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Just make sure your controllers input for the probe signal matches. Putting 24v power on probe but wiring it to a 3.3v controller would be bad :)

    BlackBox has safe inputs for full range, but some 3rd party ones don't
     

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