Thread: BOB 3 Axis, optical isolation
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29-10-2013 #1
Last Activity: 01-05-2023
Hi,
Originally Posted by thjremy
Your board looks OK... But the Photocoupler you chose are too slow. 18us for rising time and 18us for falling time... 36us total or a minimum pulse with of about 40 / 45us ... You won't be able to pulse faster than: 1/45us = 22.2KHz Mach3 pulse at 25KHz minimum...
See datasheet page 2: http://www.if.pw.edu.pl/~alice/DAC/pc847.pdf
RNR
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