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Laser Head Height Sensor – Looking for a Beta Tester

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01 Mar 2025 21:58 #322966 by rodw
Replied by rodw on topic Laser Head Height Sensor – Looking for a Beta Tester
This one says height sensor is Ethercat or +- 10v
alleriastore.com/products/automatic-lase..._fid=c31262f39&_ss=c
Some of their  controller packages refer to a TTA interface but don't describe it anywhere
alleriastore.com/products/automatic-lase..._fid=c31262f39&_ss=c

Having a more open spec rather than closed source will be much better anyway.

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03 Mar 2025 18:29 #323098 by prokopcio
Replied by prokopcio on topic Laser Head Height Sensor – Looking for a Beta Tester

I would say a couple hundred KHz so pretty much any encoder interface could work.
Also better if its a square wave so it asks the least of the frequency/period counter.
An offset frequency is good also so you don't lose bandwidth near 0 frequency.

Hi PCW

   If in your opinion square signal 20kHz = 70kHz for 0-10mm distance ( 0.05kHz / 0.01mm resolution ) is good idea ?
And 10kHz for colision.

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03 Mar 2025 19:37 #323107 by PCW
Replied by PCW on topic Laser Head Height Sensor – Looking for a Beta Tester
Yes, 20 to 70 KHz should be fine as it will work with general encoder/counter inputs
and always high enough frequency so the control bandwidth is not affected.
 
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04 Mar 2025 17:40 - 04 Mar 2025 18:01 #323162 by prokopcio
Replied by prokopcio on topic Laser Head Height Sensor – Looking for a Beta Tester


Last edit: 04 Mar 2025 18:01 by prokopcio.
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04 Mar 2025 19:23 #323172 by tommylight
Replied by tommylight on topic Laser Head Height Sensor – Looking for a Beta Tester
That did not take long! ?
This makes it usable with Mesa boards and even parallel ports as they can easily count encoder signals

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05 Mar 2025 04:22 #323223 by rodw
Replied by rodw on topic Laser Head Height Sensor – Looking for a Beta Tester
looking good!

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05 Mar 2025 11:51 #323250 by prokopcio
Replied by prokopcio on topic Laser Head Height Sensor – Looking for a Beta Tester
I think it's a good time to send it to you for testing. You'll receive the package next week.

I wonder if it will work as you expect.

Criticism is welcome because it drives me to work properly :)
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05 Mar 2025 12:10 #323251 by rodw
Replied by rodw on topic Laser Head Height Sensor – Looking for a Beta Tester

I think it's a good time to send it to you for testing. You'll receive the package next week.
 

Tou must be psychic! I just sent you an email! I havea Beckhoff EL5151 encoder on its way and hope to put a Mesa order together soon too so we can test both environments.

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08 Mar 2025 17:01 #323532 by prokopcio
Replied by prokopcio on topic Laser Head Height Sensor – Looking for a Beta Tester
I have completed the preliminary version of the documentation.
proma-elektronika.com/download/c2v_laser_sense_en.pdf

 
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08 Mar 2025 19:25 #323537 by rodw
Replied by rodw on topic Laser Head Height Sensor – Looking for a Beta Tester
Very well prepared :)
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