Re: [CAD_CAM_EDM_DRO] General servo and controller questions

If you use the parallel port you can use the Gecko or Rutex both are good
drives.
Both are step and direction input drives.
Jim

----- Original Message -----
From: "cressmx83" <cressmx83@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Sunday, February 22, 2004 5:11 PM
Subject: [CAD_CAM_EDM_DRO] General servo and controller questions


>
> Hello,
>
> I've set up a small stepper system, and it's been running well.
> Recently I've been looking at servo systems, specifically DC
> brushless servos, but I'm overwhelmed with all the terminology. With
> no comprehensive source of information, I've just been reading and
> gleaning information to little avail. It's been frustrating, so I'm
> posting some of my questions here, hopefully someone can point me in
> the right direction.
>
>
> My understanding of these brushless servo systems is that they
> controlled with a PC motion controller card -> servo amplifier ->
> servo.
>
> OR
>
> If I want to use the parallel port interface with the computer, I can
> get the rutex R991H to generate the signals to the amplifier.
> Parallel port -> Rutex board -> Servo amplifer -> Servo.
>
> I found the Rutex R991H here:
> http://www.rutex.com/us/cart.php?
> target=product&action=view&product_id=15&category_id=5
>
>
> I've purchased some of these AMC amplfiers:
> http://www.a-m-c.com/download/b30a.pdf
>
> Is it possible to wire the Rutex with the AMC amplifiers? I believe
> the AMC ones are "analog command input." I've looked at the manual
> and I'm completely lost as to how to wire these things. For example,
> where would the +/- 10 V signal from the Rutex go?
>
>
> In general, my questions are:
>
> 1. How are the servos wired to their controllers? For example, how
> would I wire the AMC amplifiers to the Rutex R991H? Or how would I
> wire the AMC amplifiers to a motion controller card?
>
> 2. What are the meaning of terms like current, open loop voltage,
> tachometer, and Hall velocity? And are there different types of
> brushless DC servos?
>
> Sorry if my questions are too elementary. I'd really appreciate it if
> someone could point me to a source of information that would answer
> these types of questions (books, websites...). I'd like to obtain a
> holistic understanding rather than ask questions on a case by case
> basis.
>
> Thanks,
> Jim
>
>
>
>
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