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Nan - voltage
Nan - voltage
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23 Sep 2020 06:03 #183406
by phillc54
So infinity * 0 = 0 so how can it report a nan?
No, inf * 0 = nan
When you go back to the First post and look at the screen dumps arc-voltage-in has a valid value but arc-voltage-out has a nan.
The first screen dumps were not at the time of startup, they were after the error had been established.
Maybe the one second delay simply allows the system to sort itself out. eg for the system to load.
Exactly, it gives time for the encoder to pass a valid float.
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23 Sep 2020 06:10 #183407
by rodw
So does receiving a number as a nan break things forever? Shouldn't it sort out the output when a valid number is received from the encoder?
It seems to me thats what should happen, but that did not seem to be the case.
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23 Sep 2020 06:15 #183408
by phillc54
So does receiving a number as a nan break things forever? Shouldn't it sort out the output when a valid number is received from the encoder?
It seems to me thats what should happen, but that did not seem to be the case.
I don't actually know what happened afterwards, all I knew about was the wrong display value. Maybe Tesremos will fill us in.
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23 Sep 2020 06:25 #183410
by rodw
So does receiving a number as a nan break things forever? Shouldn't it sort out the output when a valid number is received from the encoder?
It seems to me thats what should happen, but that did not seem to be the case.
I don't actually know what happened afterwards, all I knew about was the wrong display value. Maybe Tesremos will fill us in.
So was it just the display value or was the arc voltage used by plasmac wrong too? You would not have thought you'd start cutting 1 second after turning the machine on.
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23 Sep 2020 06:28 #183411
by phillc54
rodw wrote:
So was it just the display value or was the arc voltage used by plasmac wrong too? You would not have thought you'd start cutting 1 second after turning the machine on.
Both the display and all the plasmac comp calculations.
I just tried on a sim and everything seems to come back to normal afterwards. It gave this vague error dialog:
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23 Sep 2020 07:36 #183422
by phillc54
Sorry, just to be clear, WatchLoop in in that file.
Now I know where that message came from.
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