Firmware for 7I93

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10 Sep 2019 17:48 - 10 Sep 2019 17:49 #144724 by brecked
Firmware for 7I93 was created by brecked
Hi!
Please help with firmware for 7I93 mesa board setup:

7I93
connected to
7I49 and 7I44 connected to

6pc 8I20 , 7I70 and 7I71

Any sugestions is welcomed, its my first Mesa experience.
Last edit: 10 Sep 2019 17:49 by brecked.

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10 Sep 2019 19:33 #144734 by PCW
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11 Sep 2019 05:37 #144780 by brecked
Replied by brecked on topic Firmware for 7I93
Thanks a lot! Is it all I need for this setup?

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17 Sep 2019 12:54 #145386 by andypugh
Replied by andypugh on topic Firmware for 7I93
You need to flash that bitfile with Mesaflash, and your INI / HAL config will be something that PnCConf probably can't help much with.

I have a couple of similar configs using 7i44 + 7i49 so should be able to help.
Here is an example to study, from my lathe.
Note the the config can be very simple if the resolver is aligned to the motor and has the same number of poles, (The Z axis) and in that case you can connect resolver.angle directly to 8i20.angle.
Things are rather less simple on the X axis, which is an 8 pole motor and single-pole resolver, and this requires the bldc component to recalculate the angle. The scale is always the same for any 7i49, but the offset will need to be found by experiment / guesswork. If the motor runs at the same speed in both directions it is a good sign that the offset is right, or close enough. It will be a number between 0 and +/- the scale.
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17 Sep 2019 13:40 #145390 by brecked
Replied by brecked on topic Firmware for 7I93
Super! Thanks for examples.

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25 Nov 2019 08:55 #151200 by brecked
Replied by brecked on topic Firmware for 7I93
Hi again!
At last I got to this project!
But I got a problem, what type of linuxcnc I should install to work with 7I93 card?
I found an instruction here :
forum.linuxcnc.org/9-installing-linuxcnc...iest-install?start=0
and here:
linuxcnc.org/docs/html/getting-started/g...th_preempt_rt_kernel
but terminal commands doesnt work. Is some other version of linuxcnc for these ethernet cards, or some other repository for packages ?

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25 Nov 2019 10:53 #151206 by tommylight
Replied by tommylight on topic Firmware for 7I93
Linuxcnc.org main page there is a download button, get the second, stretch version of the iso.
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25 Nov 2019 11:14 #151209 by brecked
Replied by brecked on topic Firmware for 7I93
Seems I got it working. Needed to use other apt-get repository found from here:
wiki.debian.org/DebianWheezy

deb archive.debian.org/debian wheezy main

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25 Nov 2019 12:07 - 25 Nov 2019 12:09 #151212 by brecked
Replied by brecked on topic Firmware for 7I93
Thanks Tommy ! Installed Strech instead.

Just got litle repeat of linux knowledge :)
Last edit: 25 Nov 2019 12:09 by brecked.
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