On Fri, 7 Oct 2011, Viesturs L?cis wrote:
> Date: Fri, 7 Oct 2011 17:52:14 +0300
> From: "[UTF-8] Viesturs L?cis" <[email protected]>
> Reply-To: "Enhanced Machine Controller (EMC)"
> <[email protected]>
> To: "Enhanced Machine Controller (EMC)" <[email protected]>
> Subject: Re: [Emc-users] Zero output from stepgen on 7i43
>
> 2011/10/7 Peter C. Wallace <[email protected]>:
>>
>> Can you disconnect your external wiring and try the example HAL/INI file?
>> (the
>> hm2-stepper/7i43) then check the step/dir pins (check the dmesg or
>> correct.PIN
>> file for pinout)
>
> I removed the 50-pin header and tried to measure with multimeter -
> direction pin changed from 0 to 3,2 V and back, when changed
> directions, step pin changed from 0.02 to 0.08 and back, when motor
> should had moved or no.
>
> Since step/dir pins for stepgen.0 was matching my wiring, I attached
> the connector to see, if there would be any response from motor, but
> nothing happened.
If you get 0V when your drive is attached, you are very likely shorting out
the 7I43 outputs somehow in your wiring...
Peter Wallace
Mesa Electronics
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