Originally Posted by Matt McColley  Does PWM stand for pulse width modulating?
if so, I'll be my 10 year old Anaheim Automation driver are in fact PWM, as their spec. sheet calls out a minimum pulse width of 15 micro-seconds. |
PWM and the 15us pulse width are two different things. The pulse width is the length of the step signal required. Most newer drives only require 1 or 2 us for the step pulse.