Pncconf Wizard with MESA 7i92TM and one 7i77 - struggle

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01 Oct 2025 19:39 - 01 Oct 2025 19:41 #335677 by JanCNC
Hello everyone!

I'm new at the LinuxCNC Software and trying to figure out how everything works. But now I'm stuck at the PNC Conf Wizard and don't know how to get through there.

But First:
I'm using a HP Elitedesk with the Linux CNC Distribution (2.9.4), a MESA 7I92TM connected via Ethernet and a 7i77 at Port P2 for the Servo Drive Control. My Servo Drives (Yaskawa SGDV-7R6A01A) should run with +-10V and Encoder Signal to the Linux CNC.

My Problem: I'm stuck at the right config for the card and the control. Witch selection should i use?
7i92-InternalData ? -> there i can choose the Firmware for a 7i77 but the config at P2 is a little bit less i think...
7i92T ? -> At the P2 config i have to choose a card like 8i20 or some others, but i don't have more Mesa cards...

Witch config i should choose and what should i take in the P1 / P2 window??? If i don't choose anything the Conf Wizard shows me a problem (Config_result.png)

Attached you can find some pictures of my config struggle..
Thanks a lot and all the best wishes from Germany
JanCNC


 
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Last edit: 01 Oct 2025 19:41 by JanCNC.

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01 Oct 2025 20:58 - 01 Oct 2025 21:01 #335678 by PCW
You should select 7I92 internal data and 7i77x2 as shown
then accept component changes. Here's what I get:

Before "Accept Component Changes":

 

After "Accept Component changes":

 

P2 setup (mainly encoders):

 

PWM (analog out) setup:

 

pncconf does have a known bug with some locales so that may be the issue here
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Last edit: 01 Oct 2025 21:01 by PCW.

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02 Oct 2025 07:48 #335694 by JanCNC
Okay, everything after "Accept Component changes" looks different in my Config Wizard. 
There is no extra window next to P2 with "7i77"

Is there an easy way to fix this bug? Or what should i do next? 

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02 Oct 2025 13:52 #335719 by tommylight
Probably locale setting issues, so set the locale to en_US and UTF-8 and try again.

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