Configure PlasmaC with only one BOB

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17 Mar 2021 09:43 #202573 by Giuseppe
thanks for this. I found the run panel where i can disable or enable the THC enable indicator.
The LED goes on and off when i change the radio button. But my relay doesn't do anything.
It is still on.
Where is the connection from the gui to the pin in my hal file? I don't understand this.

Hope you understand what i say?

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17 Mar 2021 10:05 #202579 by tommylight
THC enabled does not turn any relays on/off, it enables or disables the THC function in LinuxCNC, meaning when disabled it will not move the Z axis while cutting to follow the material.
The following user(s) said Thank You: snowgoer540

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17 Mar 2021 20:50 #202639 by Giuseppe
Ok other question, how to enable or disable this circuit?

I connect the pin 16 out of my breakoutboard with this circuit.

The ohmic enable relays are still active when i start plasmac.

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17 Mar 2021 22:31 #202662 by phillc54
Have you connect the "DIGITAL OUTPUT" line to plasmac.ohmic-enable?

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26 Mar 2021 13:18 #203706 by Giuseppe
I don't know :-(
I try to understand how this hal configuration works.
Maybe one can help?

For example. In the GUI i have the button PULSE.
Now i want to active my relay by pressing this button.
Whatever i wirte in the hal. I can't do this :-(

I try this.

net test plasmac.toarch-pulse-start

in the hal file.

Also i write in the connections.hal

net test parport.0.pin-17-out

But this don't work.

Any help?

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26 Mar 2021 22:17 #203755 by phillc54

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27 Mar 2021 06:51 #203776 by Giuseppe
The torch pulse time is set to 1 sec.
Thats not the issue.

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27 Mar 2021 07:02 - 27 Mar 2021 07:03 #203778 by phillc54
Is the relay connected to the torch-on signal in the hal file?
Do you have the torch enabled inth GUI?
Last edit: 27 Mar 2021 07:03 by phillc54.

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27 Mar 2021 08:35 #203783 by Giuseppe
Hi phillc54,
thank you for the quick reply.
When i delete my self edited code line in the hal file, then the control led turn on in the Hal-configuration panel in the pin section for pin plasmac.torch-pulse-start, when i press the pulse button in the gui.

But when i write this line in the hal file. the control led stay off.

net test1 plasmac.torch-pulse-start parport.0.pin-17-out

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27 Mar 2021 08:50 #203784 by phillc54
You don't need to connect to plasmac.torch-pulse-start, that is an input that is controlled by the button in the GUI.

You just need to have the Machine Power button on, the Torch Enable button on and press the Torch Pulse button, this will then pulse the output plasmac.torch-on. The pin plasmac.torch-on needs to be connected to the start input of your plasmac cutter in the <machine_name>_connections.hal file
net plasmac:torch-on =>  ***YOUR TORCH ON PIN***
I am guessing that ***YOUR TORCH ON PIN*** is parport.0.pin-17-out ???

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