Problem: XPRO v5 with Laser Head. Relay not switch on and PWM always 4.96V about fluidnc HOT 6 CLOSED

You don't need the $ commands. The presence of a laser: section in the config file implies laser mode and laser spindle type.

I think you need to use the pin definitions given in the commented-out "pwm" section in https://github.com/Spark-Concepts/xPro-V5/blob/main/FluidNC/config.yaml , with the section name "laser". Apparently gpio25 is the PWM output pin and gpio4 is the enable pin. You have gpio4 as the pwm output and nothing as enable.

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Thank you very much for your quick response.
A simple solution and it work. I assumed so, but “enable” confused me and misled me.
Apparently “enable” here means activating the entire TOOLHEAD-port.
And this gets confused with the “enable” PIN in the connector itself. Which is indirectly confirmed by the settings from Spark-Concepts.

I guess it will be useful to have description about it in the wiki.

Now my settings for xPro-V5:

Laser:
pwm_hz: 5000
output_pin: gpio.25
enable_pin: gpio.4
disable_with_s0: false
s0_with_disable: true
tool_num: 0
speed_map: 0=0.000% 255=100.000%
off_on_alarm: true

Thanks a lot again.

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I guess it will be useful to have description about it in the wiki.

You are welcome to edit the wiki if you think it will help others. You could also take up the matter with Spark Concepts, who, unlike us, received money for your purchase of their product.

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When registering on the wiki, it gives an error with SSL.

140709849348912:error:1408F10B:SSL routines:ssl3_get_record:wrong version number:../deps/openssl/openssl/ssl/record/ssl3_record.c:331:

Sorry to hear about Spark. This is not entirely fair, given that they abandoned their application and directly indicate the use of FluidNC. Some time ago, it was common practice to support free software developers by the companies that develop the hardware that uses them.

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http://wiki.fluidnc.com/en/wiki_contributions

What user name did you register with?

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