Re: Mach2 Slew Speed, Power, and Voltage Question #Mach2GTO


michaeljhanson@...
 

Gents,

To answer the prior question, the input voltage threshold for limiting the max slew speed to 1200x is 19.0 volts on the way up, and 18.0 volts on the way down.  Meaning, you're limited to 1200x until the input voltage rises above 19.0,  Once it rises above 19.0, you'll retain 1800x unless the input voltage then drops below 18.0. The 1.0V hysteresis window is to avoid "flickering" back and forth between thresholds.  Realize there will be losses in the power cable, and a (Schottky) diode voltage drop in the unit as well.  So, the input voltage seen by the GTOCP5 will be lower than what is reported at a power supply.  This means a 19.0 volt power source will not quite allow you to get 1800x slew rate.

Regards,
Mike Hanson

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