My lack of output was because I didnt turn on the m5i20-dac-enable
Now I have +10VDCwith s5000m3 and -10VDC with s5000m4
Most VFDs take +10 only --How can I get the voltage to only go positive?
On Tue Jul 1 6:42 , Chris Radek <[EMAIL PROTECTED]> sent:
On Tue, Jul 01, 2008 at 09:51:26AM +0300, anders wallin wrote:
>
> You probably want to re-scale the motion.spindle-speed-out before it
> goes to the DAC pin that accepts values of -10 to +10,
> For example is +10V would correspond to 3000rpm then you would divide
> the spindle-speed-out with 3000 and then multiply by 10, so in effect
> divide by 300. You can do that with a scale comp, something like this:
Even easier, dacs have their own scale/gain (and offset). You can
set them directly without using a separate scaling component.
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