Ethercat random jitter fix
- grandixximo
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18 Apr 2026 07:29 #345686
by grandixximo
Replied by grandixximo on topic Ethercat random jitter fix
@papagno-source, can we continue in discord, it is really hard to follow up with you here.
I am testing with generic driver, is the problem the OP time, or the grinding?
I am testing with generic driver, is the problem the OP time, or the grinding?
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18 Apr 2026 07:35 #345687
by papagno-source
Replied by papagno-source on topic Ethercat random jitter fix
There are two problems:
The delay in reading the slave pins when the GUI starts, and the noise the axes make during movement.
Clearly, the main problem is the noise from the axes, because while they move normally, sometimes you hear jumps, noises that represent non-smooth movement.
The machine cannot operate this way, also because the noise is loud.
The problem of updating the positions at startup is secondary, not fundamental to the actual use of the machine. Sure, it's unsightly for a CNC system, but it only requires a few seconds of delay.
The delay in reading the slave pins when the GUI starts, and the noise the axes make during movement.
Clearly, the main problem is the noise from the axes, because while they move normally, sometimes you hear jumps, noises that represent non-smooth movement.
The machine cannot operate this way, also because the noise is loud.
The problem of updating the positions at startup is secondary, not fundamental to the actual use of the machine. Sure, it's unsightly for a CNC system, but it only requires a few seconds of delay.
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18 Apr 2026 07:40 #345688
by papagno-source
Replied by papagno-source on topic Ethercat random jitter fix
About discor. are logged , but how logged in linuxcnc ?
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18 Apr 2026 07:41 - 18 Apr 2026 08:04 #345689
by grandixximo
Replied by grandixximo on topic Ethercat random jitter fix
You are still doing the install, and cannot get the system online?
the discord you joint the channel, go the the welcome, read the rules, thumb up the rules, and you can join in general
read the instructions and the rules to joint the linuxcnc channel, they are there when you try to join the channel
edit:
you need to confirm email, and maybe phone number
then add server in discord
discord.gg/uW7KXqMw
then you need to go to the rules, and thumbs up react to the first message in the rules, here you see #rules and you click it
here you see this message and you click the hand with the thumb up
Then you will be able to write in the linuxcnc general channel with everyone else, I also PM you in discord, but you seem offline.
the discord you joint the channel, go the the welcome, read the rules, thumb up the rules, and you can join in general
read the instructions and the rules to joint the linuxcnc channel, they are there when you try to join the channel
edit:
you need to confirm email, and maybe phone number
then add server in discord
discord.gg/uW7KXqMw
then you need to go to the rules, and thumbs up react to the first message in the rules, here you see #rules and you click it
here you see this message and you click the hand with the thumb up
Then you will be able to write in the linuxcnc general channel with everyone else, I also PM you in discord, but you seem offline.
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Last edit: 18 Apr 2026 08:04 by grandixximo.
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18 Apr 2026 08:03 - 18 Apr 2026 08:06 #345690
by papagno-source
Replied by papagno-source on topic Ethercat random jitter fix
I stay logged here
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Last edit: 18 Apr 2026 08:06 by papagno-source.
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18 Apr 2026 08:05 - 18 Apr 2026 08:07 #345691
by grandixximo
Replied by grandixximo on topic Ethercat random jitter fix
click on the + sign top left
and joint this channel
discord.gg/uW7KXqMw
or you can add me as grandixximo, just search for friends, I already sent you an invitation, but never got accepted
and joint this channel
discord.gg/uW7KXqMw
or you can add me as grandixximo, just search for friends, I already sent you an invitation, but never got accepted
Last edit: 18 Apr 2026 08:07 by grandixximo.
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