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Home >> Customer Service >> FAQs >> Aerotech FAQ's Help Center

FAQ ID # 248

Last Update : 2009/10/12
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Question / Issue
I am trying to use the PSO Window example programs 6a, 6b and 6c from the A3200/Samples/Gcode/PSO directory. With these I get no pulses at all. I have verified I can pulse the PSO with some of the other sample programs. What could be wrong?

Answer / Solution

If the CntsPerxxxUnits parameters are negative, then the window is probably never being entered.  For correct operation the window values need to be negated and reversed as shown below. Note that the smaller value must always occur first.

For example:

If CntsPerxxxUnit is positive :

PSOWINDOW X 1 RANGE 7000, 25000              ; 7000 is smaller than 25000

If CntsPerxxxUnit is negative:

            PSOWINDOW X 1 RANGE -25000, -7000            ; -25000 is smaller than -7000



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