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I think you have a wiring fault. All the 105 does is close an internal relay when a valid arc is established. you provide the voltage to that relay and read the output when it opens and closes.I would confirm behaviour with a multii meter before going further.

We can't help until you provide full details of your THC, the way you have integrated with linuxcnc and the connections you have made.

Most people  use a Mesa Ethernet card and Mesa THCAD and not use an external THC.

Please don't duplicate your replies.

Hallo, ich bin gerade dabei meine Ansteuerung für die Fräse von Mach 3 auf LinuxCNC umzubauen. Die Fräse ist eine High-Z S-1000/T mit einer Heiz Zero-3. Diese Steuerung benötigt ein chargepump Signal. Aus meiner Mach3 Steuerung kommt dafür eine Frequenz mit 10KHz, womit es funktioniert. Aus meiner Mesakarte 7i96S kommen leider nur 500 Hz. 
In dem Konfigurationstool von LinuxCNC kann ja auf einen der Output's ein chargepump-Funktion gelegt werden, diese habe ich ausgewählt. Wie kann ich die Frequenz bestimmen die da heraus kommt?
Was ich auch vergeblich gesucht habe, gibt es jemand der eine fertige hal bzw ini hat die mit einer 7i96S und Heiz Zero-3 Steuerung zusammen arbeitet? Dann könnte ich diese als Grundlage nehmen oder im Vergleich mit meiner evtl. feststellen was ich falsch mache.

Gruß

Hey Murphy, i cant really see whats happening in the video but i think I can tell

github.com/cakeslob/RRW_LAB/blob/inc/Lin...c/remora_encoder.hal
github.com/cakeslob/RRW_LAB/blob/inc/Lin...c/remora_spindle.hal
check out these 2 hal files, specifically the encoder one, or just try them out. the encoder one has a lowpass filter to smooth out the rpm signal

Hi snow. Thank you.
I am using mode 2.
I have also a external THC as an independet electronics.
I am using ArcOK signal from the CNC port on the plasma cutter. The problem that I am finding out is that the Hypertherm PowerMax 105 is sending an ArcOk signal as soon as I send the signal to turn the arc on to the Powermax.
I will study the differences between mode 1 and 2 and will review if the PowerMax is set to work and such a way or if this is a problem on the Powermax.
As the Power Max always sends the Arc Ok signal, when the arc is not transfered to the part, QtPlasma does not try to start the arc again and the part program runs without cutting the part.
I will also try the recommended solution from the QtPlasma manual that tell us to make 3 turns with the power cable that goes to the plasma and use a reed switch inside those turns (as item 6 of the Plasma Cutting Primer for LinuxCNC Users Document).
Once again, thank you very much.

Hi Rod. Thank you.
I am using mode 2.
I have also a external THC as an independet electronics.
I am using ArcOK signal from the CNC port on the plasma cutter. The problem that I am finding out is that the Hypertherm PowerMax 105 is sending an ArcOk signal as soon as I send the signal to turn the arc on to the Powermax.
I will study the differences between mode 1 and 2 and will review if the PowerMax is set to work and such a way or if this is a problem on the Powermax.
As the Power Max always sends the Arc Ok signal, when the arc is not transfered to the part, QtPlasma does not try to start the arc again and the part program runs without cutting the part.
I will also try the recommended solution from the QtPlasma manual that tell us to make 3 turns with the power cable that goes to the plasma and use a reed switch inside those turns (as item 6 of the Plasma Cutting Primer for LinuxCNC Users Document).
Once again, thank you very much.

Anyone else having this problem?