On Monday 23 April 2018 00:39:25 jeremy youngs wrote:
> Tried pnc config on my host computer, 7i 90 wasn't specified in the
> drop down. It's been about 2 months since last update, this is a 64
> bit system. My lappy is a Dell 610 and has parallel port. I am able to
> connect with my cell as a hot
Tried pnc config on my host computer, 7i 90 wasn't specified in the drop
down. It's been about 2 months since last update, this is a 64 bit system.
My lappy is a Dell 610 and has parallel port. I am able to connect with my
cell as a hotspot but downloading the linuxcnc os will probably kill my
data
I'm wondering, Latency might not even matter if the commands are buffered,
just so long at the data gets there before some deadline. I don't know
how the protocol works. Look at the example of streaming music. As long
as the buffer never goes empty there are no dropouts. For a machine
tool
On Sun, 22 Apr 2018, jeremy youngs wrote:
Date: Sun, 22 Apr 2018 21:06:38 +
From: jeremy youngs
Reply-To: "Enhanced Machine Controller (EMC)"
To: "Enhanced Machine Controller (EMC)"
Subject: Re: [Emc-users] Mesa choices
Peter, is the softdmc loaded on the card or a download? Thank yo
Peter, is the softdmc loaded on the card or a download? Thank you
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On Sun, 22 Apr 2018, Gene Heskett wrote:
Date: Sun, 22 Apr 2018 11:10:03 -0400
From: Gene Heskett
Reply-To: "Enhanced Machine Controller (EMC)"
To: emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] Mesa choices
On Saturday 21 April 2018 23:50:09 jeremy youngs wrote:
So, got the 7
I agree! I've always assumed that the Ethernet real time side of things is
dedicated to the machine. If you also want transfer files to it a second
port would be required. What I like about the Ethernet control side of
things is the PC doesn't need to be really close to the control electronics.
On Sunday 22 April 2018 13:30:18 Chris Albertson wrote:
> Back to the title subject. I'm going to need to buy a Mesa card
> soon. Is there any reason to prefer the 7i90 over the 7i92 or other
> ethernet cards. It seems to me that even if I still owned a PC with
> a parallel port the computer w
On Sunday 22 April 2018 11:44:37 jeremy youngs wrote:
> On Sun, Apr 22, 2018, 10:10 Gene Heskett wrote:
> > ISTR they come unprogrammed, and set to be connected to a parport
> > for programming the correct config for your use into it with
> > mesaflash. It has a backup recovery that must be used
I wouldn't want to share an ethernet between real time control and ssh,
file transfer, ...
Either buy a PC with two ethernet ports or just add a second cheap one
connected by USB. Then use the USB one for all of the usual stuff where
there is no real time constraint.
Ken
On Sun, Apr 22, 2018 at
The 7i92 plugs into a dedicated Ethernet port and is $89 and
http://store.mesanet.com/index.php?route=product/product&product_id=306&sear
ch=7i92
for standard step/dir requires 7i76 for $119. Total $218.
http://store.mesanet.com/index.php?route=product/product&product_id=119&sear
ch=7i76
Or just
Back to the title subject. I'm going to need to buy a Mesa card soon.
Is there any reason to prefer the 7i90 over the 7i92 or other ethernet
cards. It seems to me that even if I still owned a PC with a parallel
port the computer would also have an Ethernet port which is 10X faster and
uses chea
Well said Chris.
I worked on a system once where the 24V system bus shared a common ground
with a 12V instrument bus. The system bus could have as much as 20A flowing
through it as a Servo motor moved one section. There was also other
equipment that sporadically drew more and less current. The
Gene is right. Many people don't understand grounds. The star ground is
not magic. It is based on two basic laws of physics. Just two things to
remember
1) It is a fundamental law of electricity the current ONLY flows if there
is a loop. Take a straight piece of wire and connect one end to
On Sun, Apr 22, 2018, 10:10 Gene Heskett wrote:
>
> ISTR they come unprogrammed, and set to be connected to a parport for
> programming the correct config for your use into it with mesaflash. It
> has a backup recovery that must be used long enough to reset it to
> parport communications IF its b
On Saturday 21 April 2018 23:50:09 jeremy youngs wrote:
> So, got the 7i90 today, been swimming through the manuals.
> I haven't yet connected the board , that will likely happen mid to
> late week as I seem to have all of the automotive work i want right
> now ( life could be worse) . I downloade
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