On Tue, 18 Feb 2020, Ed W wrote:
Date: Tue, 18 Feb 2020 22:48:08 +0000
From: Ed W <li...@wildgooses.com>
Reply-To: "Enhanced Machine Controller (EMC)"
<emc-users@lists.sourceforge.net>
To: emc-users@lists.sourceforge.net
Subject: [Emc-users] How to get 6i25 functioning?
Hi, new user with a 6i25 trying to get off the ground floor. I've loaded
firmware 5abobx2, then run through pncconf. However, when I get to the motor
tuning section for an axis I don't see any obvious output on the external
parallel port alike connector? I'm using a meter (which has a basic scope
type function as well), but I'm seeing nothing happening on pins 2/3
(configured as x axis step/dir)?
Is there some way to debug the 6i25 and confirm it's being assimilated
correctly? Is there some utility to set/read pins so I can confirm it's
functioning? Any thoughts on why I'm not seeing any output on the connector?
Background: new install on debian 9. Changed the sources to pull in linux-cnc
2.8. Used mesa to load firmware something like 5i25-5abobx2 (yes, the
firmware has 5i25, but the card is a 6i25). I see a sensible pin output when
I run
/mesaflash/ --device 5i25 --readhmid
I was intending to run this with a green china BOB, mainly because it seems
to be close to a drop in replacement for the USB thing that was in my OmioCNC
x6 (a slightly better quality 6040 alike). However, at present I'm not seeing
any life out of the card, so the bob isn't connected and I'm just probing the
output connector for now.
Mesa firmware came from here (6i25 page):
http://store.mesanet.com/index.php?route=product/product&product_id=58
However, the file name says 5i25.zip is this correct?
Any other thoughts appreciated!
Ed W
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If you are running linuxCNC, a very quick hardware check of step I/O pins
can be done by measuring the pin state with linuxCNC running and not running
If the stepgens are enabled in the linuxCNC config and linuxcnc is running,
the idle states of the 6I25 step pins will be low, if linuxcnc is not running,
the step pin state should be high (pulled up to +5V with a 4.7K pullup)
Peter Wallace
Mesa Electronics
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