On 09/05/14 21:11, Luke Wolbrink luke.wolbrink@gmail.com [electricboats]
wrote:
>
>
> Matthew,
>
> Any way to calibrate that frequency? I have a programmable controller
> but dont want to mess with it in the dark.
>
>
Certainly not on my controller. (Alltrax). The programming software
makes no mention of it. And I'm not surprised, if they are using high
frequency switching (on a DC motor anyway) they probably have a filter
network on it. And the filter network will have been designed around the
frequencies they put into it. Letting the user mess with it would
compromise their filter.
AC motor drivers are a different kettle of fish, but again I suspect
they have much of the output circuitry designed around the switching
frequency.
--
Matthew Geier,
Systems Administrator, Australian Centre for Field Robotics
+61 2 9351 8149
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