Re: [CAD_CAM_EDM_DRO] Re: Loosing position and need help...

Torsten,
I think you are getting it the wrong way around.....the Geckodrives doesn't
divide anything.

The G201 is 10uStep drive, it will need 2000 pulses to turn a standard
stepmotor 1 turn.

The G320 is a servodrive that will need 4 X No. of Encoderlines to turn the
motor 1 turn.

The G210 is a G201 with an additional STEPmultiplier that will output 1, 2,
5 or 10 steps to core drive for each received step-pulse. The good thing is
that even if you set the multiplier to 10 thus making it a equal to a
fullstep drive it still turns the motor with the smoothness of a uStepping
drive when moving at slow speed.

The G340 is a G320 with the STEP-multiplier above. It doesn't divide the
encoder it multiplies the step received. Sure, it will efectively divide the
resolution, but calling it a divider would be wrong IMO. The purpose of it,
I think, is for the guys that gets surplus motors with high resoultion
encoders and have a limited steppulse frequency. That way you can choose
yourself, speed or resolution, resolution or speed........why can't we have
both - for free ;-)

/Henrik Olsson.

----- Original Message -----
From: "Torsten" <torsten@...>


>
>
> I believe the therm multipier originates from
> Stepper motor Drivers where the step counts
> per revolution is multiplied.
> A 200 count per rev. Steppermotor setup with a
> Stepmultipier of 10x will require 2000 steps
> to make 1 revolution.
> This enhances the resolution.
> These Drivers where on the market long before the
> G340 was available.
> Now what the G340 dose is just the opposite it
> takes for example 2000 steps from the encoder
> and reduces the steps received from the computer
> to 200 wich degrades resolution.
> No wonder its confusing to people.
> Calling it a divider board would have been easier.