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Laser randomly fires at 100%

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2023-02-27

Hi all,
I have a D.I.Y. build 130W with a Cloudray MYJG-150W.
Everything has been running great for a few weeks and now the laser will only fire at 100%.
Anyone able to help with this one?
C

    • Darren

      2023-02-28
      There are two control lines to the lps from the controller…
L-On1 which enables the laser to fire and LPWM1 which is the percentage power.
Without the lps powered up, you can check the L-On1 at the controller or at the IN input of the lps. It’s a ttl type signal, although it will respond to an analog voltage, so it’s range is 0 to 5V.
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        • Darren

          : At 50% power it should read @ 50% power, 50% of 5V or 2.5V… The pwm on a Ruida runs as soon as the machines goes into run mode. It’s constant throughout each layer. The L-On1 needs to pull L on the lps low to cause it to fire. These two are easily checked with a voltmeter.

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