On Thu, 6 Jul 2017, Les Newell wrote:
Date: Thu, 6 Jul 2017 21:17:45 +0100
From: Les Newell <les.new...@fastmail.co.uk>
Reply-To: "Enhanced Machine Controller (EMC)"
<emc-users@lists.sourceforge.net>
To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net>
Subject: Re: [Emc-users] Configuration options for 7i80 + 7i48
I took some time out to modify the spindle motor windings - I'm converting it
from 415V to 230V. Anyway I got the axes working by turning all of the
enables on. I now have motion and yikes, it's fast! I'm only running 10m/min
and the machine is rated for 15. With a Y travel of only 0.5m it doesn't take
long to get from one end to the other.
Thanks for your help.
Oh, by the way with 7i80hd_16_svss6_8 a couple of my outputs would pulse on
for a fraction of a second as LinuxCNC started up. I think it was 51 and 53.
My outputs are active high with the 7i80 resistors set to pull down. It's no
big deal and 7i80hd_16_sv12_2x7i48 doesn't do it.
I forgot that in addition to controlling the external enable pins, the PWM
enable sets PWM to 0 in the driver when not enabled so all active PWM channels
must have enable set true
And yes, sserial outputs are enabled to do the sserial device probe (and
disabled when nothing is found), I _think_ you can disable this behaviour by
disabling all sserial ports in the config line (but probably better to just
use a config that doesnt have sserial if you dont need it)
Les
On 06/07/2017 20:28, Peter C. Wallace wrote:
On Thu, 6 Jul 2017, Les Newell wrote:
Date: Thu, 6 Jul 2017 19:21:42 +0100
From: Les Newell <les.new...@fastmail.co.uk>
Reply-To: "Enhanced Machine Controller (EMC)"
<emc-users@lists.sourceforge.net>
To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net>
Subject: Re: [Emc-users] Configuration options for 7i80 + 7i48
I'm setting the pwm value in the range -1 to +1 with scale set to 1.
Les
Hmm, can't duplicate that here, just tested and PWM / analog
out works on both 7i80hd_16_svss6_8 and 7i80hd_16_sv12_2x7i48.bit
(using a basic hal file with PID setup and
looking at analog out on a meter while turning encoder)
Here are my test hal/ini files:
http://freeby.mesanet.com/7i80-7i48.zip
On 06/07/2017 19:13, Peter C. Wallace wrote:
What is the pwm value?
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