I think Ralph is talking about the HAL pin on the PWM generator wich is an analog one. There you can send your M67 analog value to control the intensity of the laser.
El vie, 13 ago 2021 a las 18:28, Dave Matthews (<n36...@gmail.com>) escribió: > I come from an electronics background and am used to looking at a scope so > have always considered PWM as a digital control mode. I'll take a look for > examples of how to set up a pwm pin in HAL. My initial setup was done with > StepConf so I let it do all of the work to set up a spindle pwm pin. > > Thanks. > > Dave > > On Fri, Aug 13, 2021 at 5:21 PM Ralph Stirling < > ralph.stirl...@wallawalla.edu> wrote: > > > PWM *is* analog (0 to 1.0). In hal, you would connect motion.analog_out > > (syntax likely wrong, going by memory) to a pwm value input. That would > > feed the M67 value to your pwm. > > > > -- Ralph > > > > On Aug 13, 2021 2:09 PM, Dave Matthews <n36...@gmail.com> wrote: > > CAUTION: This email originated from outside the Walla Walla University > > email system. > > > > > > I saw a lot of references to using the M67 but couldn't see how it would > > apply as it is for analog outputs. I thought that would be for something > > like the 0-10 volt spindle control. I was looking at the M62 because I > > thought a PWM output would be considered a digital pin. Am I looking at > it > > wrong? The laser is PWM between 0 and 5v. > > > > Dave > > > > On Fri, Aug 13, 2021 at 4:34 PM Todd Zuercher <to...@pgrahamdunn.com> > > wrote: > > > > > You might need to use M67 to set the PWM value and M62 to turn it > on/off. > > > > > > Todd Zuercher > > > P. Graham Dunn Inc. > > > 630 Henry Street > > > Dalton, Ohio 44618 > > > Phone: (330)828-2105ext. 2031 > > > > > > -----Original Message----- > > > From: Dave Matthews <n36...@gmail.com> > > > Sent: Friday, August 13, 2021 4:16 PM > > > To: Enhanced Machine Controller (EMC) <emc-users@lists.sourceforge.net > > > > > Subject: [Emc-users] M62/M63 with a pwm output possible? > > > > > > [EXTERNAL EMAIL] Be sure links are safe. > > > > > > I recently started playing with lightburn and want to do photos. Using > > > M3/M5 Sxxx for laser control works fine for following lines but not for > > > photos. I think that I want to use M62 along with an Sxxx for laser on > > and > > > power setting. The laser power is controlled by PWMing the on/off pin. > > > > > > Lightburn likes to use M106 and an S number for laser control. I think > > it > > > is coming from M106 being used for fan on a Marlin 3d printer board. > > > Find/Replace M03 in place of the M106 sort of works but It does a laser > > > on, move, laser off so there is a lot of overburn. > > > > > > Sample gcode from Lightburn: > > > ; Image @ 2500 mm/min, 20% power > > > M8 > > > M106 S0 > > > G0X1.8487 Y0.8204 F0 > > > ; Layer C01 > > > M106 S0 > > > G1X0.041 F98.425 > > > M106 S20 > > > G1X0.29 > > > M106 S0 > > > G1X0.041 > > > M106 S0 > > > > > > From the docs it looks like M62 would do the job if I can also use the > > > Sxxx to set the pwm. > > > > > > Questions > > > > > > - Is it possible to set up the digital pin associated with the M62 to > be > > a > > > PWM output? > > > - Is there an example of how to do this? > > > > > > Dave > > > > > > _______________________________________________ > > > Emc-users mailing list > > > Emc-users@lists.sourceforge.net > > > > > > https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.sourceforge.net%2Flists%2Flistinfo%2Femc-users&data=04%7C01%7Cralph.stirling%40wallawalla.edu%7C3238ddc4b6c94263281d08d95e9e9caf%7Cd958f048e43142779c8debfb75e7aa64%7C0%7C0%7C637644857614191059%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=MjV%2B79wjOL0LMVoS6nL6BNu%2FVTYEUMxf172qiHZOfs4%3D&reserved=0 > > > > > > > > > _______________________________________________ > > > Emc-users mailing list > > > Emc-users@lists.sourceforge.net > > > > > > https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.sourceforge.net%2Flists%2Flistinfo%2Femc-users&data=04%7C01%7Cralph.stirling%40wallawalla.edu%7C3238ddc4b6c94263281d08d95e9e9caf%7Cd958f048e43142779c8debfb75e7aa64%7C0%7C0%7C637644857614191059%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=MjV%2B79wjOL0LMVoS6nL6BNu%2FVTYEUMxf172qiHZOfs4%3D&reserved=0 > > > > > > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > > > > https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.sourceforge.net%2Flists%2Flistinfo%2Femc-users&data=04%7C01%7Cralph.stirling%40wallawalla.edu%7C3238ddc4b6c94263281d08d95e9e9caf%7Cd958f048e43142779c8debfb75e7aa64%7C0%7C0%7C637644857614191059%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=MjV%2B79wjOL0LMVoS6nL6BNu%2FVTYEUMxf172qiHZOfs4%3D&reserved=0 > > > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
