PlasmaC torch starting problem (Solved with help from the famous three)

Yeah, I guess whatever you are using for the G4 time.

phillc54 wrote: Yeah, I guess whatever you are using for the G4 time.

Thanks Ok I will try that in the morning. (We are self isolating here)

I thought Australia would be self isolating but heaps of folk here seem to have caught a panic virus.

phillc54 wrote: Yeah, I guess whatever you are using for the G4 time.

Phil I have now confirmed it is not a fault of the machine as it will fire when I manually used a button to cut the relay out ie shorted the relay contacts.

I think the problem is that the relay is not stopping energised long enough for the torch to fire.

Is there a parameter for that or is there a way to do it in the code I would like to try 2 secs

It could be that the hovering volts 0-20 is messing it up. I have tried OK Low Volts between 5-30

Clive S wrote: Phil I have now confirmed it is not a fault of the machine as it will fire when I manually used a button to cut the relay out ie shorted the relay contacts.
I think the problem is that the relay is not stopping energised long enough for the torch to fire.
Is there a parameter for that or is there a way to do it in the code I would like to try 2 secs

The Torch On signal should be on the whole duration of the Arc Fail Timeout.

It could be that the hovering volts 0-20 is messing it up. I have tried OK Low Volts between 5-30

It could affect it if the voltage went above the OK Low Volts and then went back below it, that would be seen as an arc failure.

phillc54 wrote:

Clive S wrote: Phil I have now confirmed it is not a fault of the machine as it will fire when I manually used a button to cut the relay out ie shorted the relay contacts.
I think the problem is that the relay is not stopping energised long enough for the torch to fire.
Is there a parameter for that or is there a way to do it in the code I would like to try 2 secs

The Torch On signal should be on the whole duration of the Arc Fail Timeout.

It could be that the hovering volts 0-20 is messing it up. I have tried OK Low Volts between 5-30

It could affect it if the voltage went above the OK Low Volts and then went back below it, that would be seen as an arc failure.

I am not sure how to trouble shoot this. I have not tried OK_low_volts at zero !!

I have noticed when using the temporary push button I see the physical pilot ark come on then it changes to the full arc so there is a slight delay there.

Any suggestions? It will always work on the fist cut. But on the next cut I do see the relay energise very briefly.