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by Picengravertoo
Tue Oct 09, 2018 1:19 pm
Forum: CNC Controller Discussions
Topic: Jerky Motion (Mach3, ESS, PicConvert)
Replies: 82
Views: 38104

Re: Jerky Motion (Mach3, ESS, PicConvert)

Got it. I don't see anything obvious, except you sure have your C axis accel set very high. I have been doing some PicConvert tests here (without any steppers powered) and with that same image resized to 1.5"X 1.5". Ours is setup with the A axis and since our laser's driver is analog modul...
by Picengravertoo
Tue Oct 09, 2018 9:46 am
Forum: CNC Controller Discussions
Topic: Jerky Motion (Mach3, ESS, PicConvert)
Replies: 82
Views: 38104

Re: Jerky Motion (Mach3, ESS, PicConvert)

I never received the xml file to look at any Mach3 settings, so I'm at a dead end on anymore suggestions. We run R3.43.66 on both of our Mach3 machines without any issues. It's what Calypso Ventures recommends for there screenset that we use. http://www.calypsoventures.com/downloads/mach3releases.ht...
by Picengravertoo
Mon Oct 08, 2018 4:58 pm
Forum: CNC Controller Discussions
Topic: Jerky Motion (Mach3, ESS, PicConvert)
Replies: 82
Views: 38104

Re: Jerky Motion (Mach3, ESS, PicConvert)

Warp9 suggested you test with Constant Velocity enabled & disabled. I was just letting you know there is that option in PEP6 to add those Constant Velocity commands, or not.
by Picengravertoo
Mon Oct 08, 2018 11:33 am
Forum: CNC Controller Discussions
Topic: Jerky Motion (Mach3, ESS, PicConvert)
Replies: 82
Views: 38104

Re: Jerky Motion (Mach3, ESS, PicConvert)

When the "insert G61/G64" in PEP6 is selected, it adds a G64 at the beginning of the file to enable Constant Velocity and adds a G61 at the end of the file to disable Constant Velocity.
by Picengravertoo
Mon Oct 08, 2018 9:00 am
Forum: CNC Controller Discussions
Topic: Jerky Motion (Mach3, ESS, PicConvert)
Replies: 82
Views: 38104

Re: Jerky Motion (Mach3, ESS, PicConvert)

It could be the PC's Ethernet line voltage, not necessarily an ESS issue. I know that could be a problem on some PP PCs, but I don't know anything about using an Ethernet to control a CNC machine, or if that could even be a problem with it. Just a thought.
by Picengravertoo
Sun Oct 07, 2018 11:46 pm
Forum: CNC Controller Discussions
Topic: Jerky Motion (Mach3, ESS, PicConvert)
Replies: 82
Views: 38104

Re: Jerky Motion (Mach3, ESS, PicConvert)

Ok, I guess I should have asked you to send me your xml file. I can look through it and determine what is relevant. Your ESS is not common compared to our setups. Does your ESS have a solid 5v signal on the step & dir lines to control the PicConvert properly? It does require 10000 steps per and ...
by Picengravertoo
Sun Oct 07, 2018 8:46 pm
Forum: CNC Controller Discussions
Topic: Jerky Motion (Mach3, ESS, PicConvert)
Replies: 82
Views: 38104

Re: Jerky Motion (Mach3, ESS, PicConvert)

So you got the same results with the PWM at the J-Tech driver as the Analog signal on the PicConvert?

Can you send us your friend's Mach3 xml file to the email address your PEP6 registration came from? I'm curious what settings should work with the setup both of you have.

Thanks.
Jeff
by Picengravertoo
Sat Oct 06, 2018 8:06 pm
Forum: CNC Controller Discussions
Topic: Jerky Motion (Mach3, ESS, PicConvert)
Replies: 82
Views: 38104

Re: Jerky Motion (Mach3, ESS, PicConvert)

OK, if you get everything working properly, just leave those commands in the Analog/PWM profile's Precode so you don't have to remember using the buttons when you power up the PicConvert.
by Picengravertoo
Sat Oct 06, 2018 7:21 pm
Forum: CNC Controller Discussions
Topic: Jerky Motion (Mach3, ESS, PicConvert)
Replies: 82
Views: 38104

Re: Jerky Motion (Mach3, ESS, PicConvert)

Did you notice the voltage sets to zero when the file starts and runs that Precode? I'm wondering if your multi-meter is hindering/effecting the PWM output somehow. Your not connected to the Analog signal & Ground on the PicConvert board like I am here. PicConvert Analog Signal.JPG Maybe you sho...
by Picengravertoo
Sat Oct 06, 2018 4:33 pm
Forum: CNC Controller Discussions
Topic: Jerky Motion (Mach3, ESS, PicConvert)
Replies: 82
Views: 38104

Re: Jerky Motion (Mach3, ESS, PicConvert)

Add the
G1 C-0.0255 F50
G1 C-0.0000 F50
Into PEP6's Precode to ensure the PicConvert zeros before running through the file.

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