7i95T & 7i77

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1 year 6 months ago #326446 by BloodyT
7i95T & 7i77 was created by BloodyT
Hello, 

i am beginner and (so far I can tell right know) successfully got my pi5 running with LinuxCNC 2.10 (which I read is required to run a 7i95T).
Sadly pncconf has no template for the Card, nor the combination of cards. So I decided to give mesact a try which at least knows the cards I got.
for my understanding, I need a firmware file to flash on my 7i95T to make the daughter card addressable. is that correct?
After downloading the firmware of the card and saving to the mentioned folder I recognized there is no firmware on the Mesa website available for my combination of cards?! or am I missing something? <screenshot appended>
can somebody help me out with it?

 

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1 year 6 months ago #326448 by tommylight
Replied by tommylight on topic 7i95T & 7i77

....successfully got my pi5 running with LinuxCNC 2.10 (which I read is required to run a 7i95T).
 
Where did you read that? I would really like to delete that as it is just adding to the "buy a RPI" sickness spreading all over the web.
RPI is NOT required to run, it CAN be used to run LinuxCNC, any PC can be used to run LinuxCNC and Mesa cards.
-
On the Mesa subject, i do have somewhere a working 7i95 config if you need one, without the 7i77.
As for firmware, please do not proceed without consulting with PCW here, you seem to be bumping into some fishy info...
And for next time, when you have a 7i95 and you need to add analog outputs, use a 7i83 as 7i95 has encoder inputs. That is if you do not need all of the stepgens and encoders and analog outs and encoders... :)

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1 year 6 months ago - 1 year 6 months ago #326457 by PCW
Replied by PCW on topic 7i95T & 7i77
Which combination of cards do you have?

Oops should have read the title.

That's a fairly odd combination, what hardware interfaces do you need?
There is no standard firmware for the combination, but it can be built easily
 
Last edit: 1 year 6 months ago by PCW.

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1 year 6 months ago - 1 year 6 months ago #326476 by BloodyT
Replied by BloodyT on topic 7i95T & 7i77

....successfully got my pi5 running with LinuxCNC 2.10 (which I read is required to run a 7i95T).
 
Where did you read that? 

 
I meant 2.10, not the pi ;) 
what's wrong about the pi's?
for me right now the pi is just handy, because I have it here. maybe I change it to a miniPC at some point... I am not sure... but first I need to get a working cards/hal/ini
Last edit: 1 year 6 months ago by BloodyT.

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1 year 6 months ago - 1 year 6 months ago #326477 by BloodyT
Replied by BloodyT on topic 7i95T & 7i77
Hi @PCW

currently the machine (old Plasma) uses analog servo motors, that's why I added the 7i77. I need 10v/-10v for the Axis.
i am not entirely sure if I add encoders to the board in the future. at the moment they are hooked up to the servo drives.

my thoughts where, If at some point something breaks, and I add a more modern motor to some axis I can handle this with the 7i95T in the future.... that's why its kind of redundant(analog and step/dir).
also I don't know if everything on this machine is really working. its kind of "dead in the corner" for years, and we try to give it a second live. :)

is it possible to have all ports of all cards at the same time present?
or do I have to choose between?
Last edit: 1 year 6 months ago by BloodyT.

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1 year 6 months ago - 1 year 6 months ago #326481 by PCW
Replied by PCW on topic 7i95T & 7i77
Here is a 7I95T+7I77 configuration
I numbered the encoders and sserial ports to match
a simple 7I77 configuration, so say a 7i92+7i77
configuration can be used with just a card name change
(from 7i92 to 7i95)

All 7I95T I/O is also supported but you would probably
need to create a separate 7I95T configuration and merge hal
files to support the I/O and step/dir channels

 

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Last edit: 1 year 6 months ago by PCW.
The following user(s) said Thank You: BloodyT

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