> On 9 Sep 2016, at 17:08, Chris Albertson wrote:
>
> A good why to demonstrate this is to place an AC voltmeter into an AC
> socket in a large building. Measure between Ground and Neutral and you
> might see as much as 1.5 volts. Yes the ground and neutral are tried
> together at the service
On 9/9/2016 2:08 PM, John Alexander Stewart wrote:
I'm afraid the technical details are above my pay grade. I can however
help you with Mesa cards that relate to Linuxcnc.
>>
> Just got the 5i25/7i76 plug and go kit from Mesaus.com, shipped to Canada
> via USPS/Canada Post, and it all wor
On Friday 09 September 2016 13:01:28 Sarah Armstrong wrote:
> iv'e had ground differences between a machine and a pc
> blow a breakout board , it transpired they were across 2 different
> supplies, in the building , one 3 phase , one single
>
Nothing so complex here, in fact it is all plugged into
Glad to hear you got your shipment!
Thanks for the order
JT
On 9/9/2016 1:08 PM, John Alexander Stewart wrote:
I'm afraid the technical details are above my pay grade. I can however
help you with Mesa cards that relate to Linuxcnc.
>>
> Just got the 5i25/7i76 plug and go kit from Mesaus
> >> I'm afraid the technical details are above my pay grade. I can however
> >> help you with Mesa cards that relate to Linuxcnc.
>
>
Just got the 5i25/7i76 plug and go kit from Mesaus.com, shipped to Canada
via USPS/Canada Post, and it all worked flawlessly.
As an aside - I really like the USPS
No, I think you have it backwards. The problem is usually that you
HAVE tied all those grounds together. In the audio world they call
this a "ground loop".It should never be possible for you to trace
a loop in your ground wiring.
The only place I can think of where a logic level return pa
On 9/9/2016 12:06 PM, Gene Heskett wrote:
> On Friday 09 September 2016 09:50:51 John Thornton wrote:
>
>> I have a full set of whatever the DIP chips are for the C1G. No, I'm
>> just a self educated country boy...
>>
> FWIW, thats me too. I quit school in the middle of my freshman year of
> high
iv'e had ground differences between a machine and a pc
blow a breakout board , it transpired they were across 2 different
supplies, in the building , one 3 phase , one single
On 9 September 2016 at 17:50, Gene Heskett wrote:
> On Friday 09 September 2016 12:08:27 Chris Albertson wrote:
>
> > I
On Friday 09 September 2016 12:08:27 Chris Albertson wrote:
> It is hard to even guess the cause of this from your description. You
> are just going to have to go down the line and test each part
> independently.
>
> I remember reading here in this forum someone posting about
> "redundant" onto i
It is hard to even guess the cause of this from your description. You are
just going to have to go down the line and test each part independently.
I remember reading here in this forum someone posting about "redundant"
onto isolators being on both the breakout board and the motor drivers.
Maybe
On Friday 09 September 2016 09:50:51 John Thornton wrote:
> I have a full set of whatever the DIP chips are for the C1G. No, I'm
> just a self educated country boy...
>
FWIW, thats me too. I quit school in the middle of my freshman year of
high school because of a medical problem that when finall
I have a full set of whatever the DIP chips are for the C1G. No, I'm
just a self educated country boy...
http://cnc4pc.com/hardware/replacement-chips/c1g/set-of-buffers-and-optoisolators-for-the-c1g-board-rev-3.html
says they are buffers and optoisolators.
JT
On 9/8/2016 8:34 PM, Gene Heskett
On Thursday 08 September 2016 18:34:33 John Thornton wrote:
> Hi Gene,
>
> I'm afraid the technical details are above my pay grade. I can however
> help you with Mesa cards that relate to Linuxcnc.
Aw, gee, John. Aren't you a C.E.T. too? ;-)
> My 5i25
> http://mesaus.com/index.php?route=product/
Hi Gene,
I'm afraid the technical details are above my pay grade. I can however
help you with Mesa cards that relate to Linuxcnc.
My 5i25
http://mesaus.com/index.php?route=product/product&path=62&product_id=51
I also have a C1 and a C1G and a pile of optos for them I'd be very
willing to part
Greetings Peter;
Someone made the remark a while back that it was indeed possible to look
at the output of a function, in this case the first pwmgen of a 5i25
with the prob-rfx2 firmware in it.
I've had a blowup, the ultimate cause of which I have not found yet, but
from the damages done to th
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