Re: Pacific Scientific Servo Motors and Drives

> This is really simple. You take a gate package, such as the 74LS00

and

> use 3 gates for each axis.
>
> Direction signal goes to pins 1, 4 and 5
> step signal goes to 2 and 10.
> pin 6 is wired to pin 9
> a negative-going step "one way" pulse comes from pin 3
> a negative-going step "the other way" pulse comes from pin 8.
> Ground pin 7, connect +5 V to pin 14.
>
> What this does is produce a complemented direction signal from
> pin 6, and then AND the true and complemented direction signals
> with the step pulse to produce step pulses going each way.
>
> If your software produces negative-going step pulses, then you need
> to use a 74LS02 instead.
>
> Jon

Thanks Jon! Do you think there would be any issues with time delay
or pulse timing at 45 kHz?

Thanks,
-Chris