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    cutting 24V with Emergency stop in SBC mode

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    Duet Hardware and wiring
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    • SanderLPFRGundefined
      SanderLPFRG
      last edited by

      Hi,

      I have a machine running Duet3 6HC+2 expansions in SBC mode with a raspberry pi4.

      The pi is powered by 5V power supply and the duet runs on meanwell 24V. I now have an emergency stop working via the input button method, but I am afraid it will not surpass testing. Therefore I want the button to cut all 24V systems (motor, heaters and electronics) but I am afraid that it will cause damage to the firmware.

      Does anybody know how DWC will react to 24V power cut??

      jay_s_ukundefined 1 Reply Last reply Reply Quote 0
      • jay_s_ukundefined
        jay_s_uk @SanderLPFRG
        last edited by

        @SanderLPFRG if you're keeping the 5v powered throughout you'll be fine cutting all 24v.
        If you're cutting the 5v power as well then you "may" have corruption issues on the pi. But saying that I have never properly turned off any of my pi's (running a mixture of SSD's and SD cards) properly and haven't managed to corrupt a system yet

        Owns various duet boards and is the main wiki maintainer for the Teamgloomy LPC/STM32 port of RRF. Assume I'm running whatever the latest beta/stable build is

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