NPN zprobe Will Not reverse on |1 Switch

  • I cannot get my NPN sensor to select active low logic level for the Z probe I have followed the instruction
    NPN output normally-open inductive or capacitive sensor

    and I have connected the silicon diode anode of the diode to the E0 STP pin

    when I plug it in the indicator light is off and in machine properties, the endstop hit is showing yes on drive 3 when there is nothing ner but no when I touch the sensor

    Here is my endstop Settings

    ; Endstops
    M574 X1 Y2 S1                                      
    M574 Z1 S0                                         
    M558 P4 H5 F120 T6000 |1                            
    G31 P600 X0 Y0 Z2.5                               
    M557 X15:185 Y15:260 S20                          

  • administrators

    1. You need to use I1 (uppercase-letter-i followed by 1) not |1 (vertical-bar 1) as you appear to have done.

    2. Some users have found that they need to use a Schottky diode, not a normal silicon diode.

  • i seem to have diodes but no Schottky diode. and the amended code won't work

    dam i was hoping to get this finished toda

  • i have sorted it i have made a retractable switch zprobe

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