Nan - voltage

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21 Sep 2020 06:18 - 21 Sep 2020 06:19 #183071 by Tesremos
Replied by Tesremos on topic Nan - voltage
Attached is my config.
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Last edit: 21 Sep 2020 06:19 by Tesremos.

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21 Sep 2020 06:27 #183072 by phillc54
Replied by phillc54 on topic Nan - voltage
I don't see it.

Another one to try:
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21 Sep 2020 06:34 - 21 Sep 2020 06:37 #183073 by Tesremos
Replied by Tesremos on topic Nan - voltage
installed.


first open.


okay, so i dont seem to be able to upload the screenshot/photo of the latest nan.

rest.assured. it looks identical to the others :D
Last edit: 21 Sep 2020 06:37 by Tesremos.

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21 Sep 2020 06:40 #183075 by phillc54
Replied by phillc54 on topic Nan - voltage
Try with lowpass set to 0 in your connections.hal file

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21 Sep 2020 06:48 #183077 by Tesremos
Replied by Tesremos on topic Nan - voltage
Phill, your a genius!(where can i send the beer), changed low pass to 0, 20/20 close/reopen no nan.
i mean can increase the group to 100 sample? but 20/20 is pretty good!

:) now, whats broken where?

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21 Sep 2020 06:54 #183079 by phillc54
Replied by phillc54 on topic Nan - voltage

Phill, your a genius!(where can i send the beer), changed low pass to 0, 20/20 close/reopen no nan.
i mean can increase the group to 100 sample? but 20/20 is pretty good!

:) now, whats broken where?

That is a good question, since my last post I set my sim lowpass to 25 and have been running combinations of numbers but cannot get it to -nan
I guess I need to do some more testing. I might try it on my table and see if that makes a difference.

Does halcompile make a backup of the original plasmac.so? it should be in /usr/lib/linuxcnc/modules.

If not I will post an original comp so you can try it that way to make sure we are on the right track.

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21 Sep 2020 07:08 #183083 by Tesremos
Replied by Tesremos on topic Nan - voltage
it does not, there are no obvious backups.

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21 Sep 2020 07:10 #183084 by phillc54
Replied by phillc54 on topic Nan - voltage
OK, here is an original.
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21 Sep 2020 07:15 - 21 Sep 2020 07:16 #183086 by Tesremos
Replied by Tesremos on topic Nan - voltage
Interesting.

the difference i see is "new"plasmac.comp == -0 for volts.


old plascmas.comp == 0 for volts


20/20 with old plasmac (just installed) no nan.

ill poke the low pass again to 25 n see if it Nan's on me :)


edit: second opening with lowpass 25 == Nan
Last edit: 21 Sep 2020 07:16 by Tesremos.

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21 Sep 2020 07:20 - 21 Sep 2020 07:22 #183087 by phillc54
Replied by phillc54 on topic Nan - voltage
Some time back a few guys said they didn't like the -0 so I made anything between 0 and -0.5 read as 0. It has to do with how floating numbers are displayed.
It is possible to fine tune the Offset so it doesn't go below 0.

You posted the edit while I was typing...
Last edit: 21 Sep 2020 07:22 by phillc54.

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