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Laser control on and off using Z
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Topic: Laser control on and off using Z (Read 8303 times)
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Tweakie.CNC
9,198
Super Kitty
Re: Laser control on and off using Z
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Reply #10 on:
March 01, 2017, 02:28:30 AM »
Hi Boxin,
Measure (monitor) the direction signal TTL voltage from your BoB - it could be that it does not have persistent TTL levels for the direction signal output.
Tweakie.
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PEACE
boxin
10
Re: Laser control on and off using Z
«
Reply #11 on:
March 01, 2017, 02:33:51 AM »
Thanks for your help Tweakie.
I'll do it as soon as I get home.
I think we know what's going to happen. Unlike a parallel BOB, the DIR signal will not be persistent and apparently this does not affect Mach3.
What I am going to do?
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Tweakie.CNC
9,198
Super Kitty
Re: Laser control on and off using Z
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Reply #12 on:
March 01, 2017, 04:21:17 AM »
Just take it one step at a time, we will think of something
Tweakie.
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PEACE
boxin
10
Re: Laser control on and off using Z
«
Reply #13 on:
March 01, 2017, 08:50:48 AM »
In fact, the outputs of the axes do not maintain the level
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boxin
10
Re: Laser control on and off using Z
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Reply #14 on:
March 01, 2017, 01:07:52 PM »
Well, I finally used a flip-flop (555) triggered by DIR of the A and Z axes (One to turn on the laser and the other to turn it off).
I do not know if there is an easier way (tell me), but for now these axes are available and I will use them that way.
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Last Edit: March 01, 2017, 01:09:36 PM by boxin
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Tweakie.CNC
9,198
Super Kitty
Re: Laser control on and off using Z
«
Reply #15 on:
March 02, 2017, 01:30:46 AM »
I agree, a flip-flop may be the best solution.
Tweakie.
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PEACE
boxin
10
Re: Laser control on and off using Z
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Reply #16 on:
March 02, 2017, 03:51:33 AM »
I asked everyone and you were the only one who confirmed that the output should be persistent.
I could not think of a solution without knowing that before.
Thank you very much Tweakie!
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