Can't trigger Duet2 Wifi using external switches



  • I'm finishing up my new 3D printer and I have a front panel with my PanelDue and 3 momentary, self -resetting switches.

    • One is 220V and triggers my relay to turn on my printer
    • The other two are 12V and I wanted them to trigger macros.

    I've followed this guide to the dot and I cant get them to work https://duet3d.dozuki.com/Wiki/Using_M581_-_External_Triggers_and_Building_a_Control_Panel

    This is a picture of the switch. I've connected NO and C, so when i press the button there's continuity between them, so that's correct I'm sure.

    446aeab6-0c5b-4033-9e5e-1cd30e3f6cbe-image.png

    I've wired GND to the end of the cable and the other end goes to the RESET pin on the Duet expansion headers.
    When I press the button I have continuity between the GND and the dupont header that goes in the RESET pin.

    So when i press the button, GND should flow to the RESET pin causing an emergency stop.

    Right?

    The thing is, it doesnt... am I missing something here?


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