On Saturday 17 October 2020 21:25:56 Jon Elson wrote: > On 10/17/2020 06:21 PM, Gene Heskett wrote: > > This is a rail to rail, meaning about a 5.11 volts peak to peak nice > > square wave, with its bottom sitting on the ground rail. Can I feed > > that without any further treatment, into the + terminal, pin 2 of > > your pwm-servo? Or at 5 volts, do I need a protective R in that > > wire? > > The PWM servo amp takes a plus on the plus input (TB2-pin 1) > and a negative on TB2-pin 2 > to turn on the transistors. You don't need an external > resistor, that is provided in the servo amp. > > Just be sure when you want the spindle off, that pin 1 is > not getting the positive voltage. > > Jon > Thanks Jon. I'll do some cable tracing tomorrow and see if I can isolate those 4 wires. Unfortunately it goes by a couple junction strips where it might change colors so I have to pay heavy attention. With much of it a couple steps up a stepladder, I wore me out about 2 hours back.
Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene> _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
