CAD CAM EDM DRO - Yahoo Group Archive

Re: Trouble with Servo controller (new box and software)

Posted by dakota8833
on 2002-10-16 06:45:51 UTC
--- In CAD_CAM_EDM_DRO@y..., "mueller914" <mmueller@n...> wrote:
> With no motors(power or encoders) or the PC connected, I am getting
5
> to 7v from the outputs of the Encoder plugs: Enc+, Chan A and Chan B
> (box has three gecko 340's)
>
> All three "fault" lights turn on
>
> If I plug in the power and the encoder connectors from the motors,
> nothing happens until I toggle to engage, then the motors will spin
> and continue to turn until I kill the power to them. Unpluging the
> encoder does no good.
>
>
> I am trying to use TurboCNC and have it setup like this:
> X= 2 step/3 dir
> Y= 4 step/5 dir
> Z= 6 step/6 dir
>
> If I measure the voltage directly from the PC cable going to the
> servo box, I get 5v at 2, 4 and 6
>
> When the cable is plugged into the servo box i get 2.5v at pins 2, 4
> and 6 on the inside of the servo box. It makes no differance if
servo
> box is turned on or not, I get the same reading.
>
> Also, i get a 10v reading from the servo box "motor power" outputs
> when nothing is hooked up, the voltage drops to near zero if I leave
> my voltage reader hooked up for 30 seconds or so.
>
> Does this sound like hardware or software issues?
>
> Thanks
> Mike Mueller


With loss of encoder signal the motors will run away. Also if the
encoders are hooked up and the motors run away the relationship
between the +/- power and encoder A/B is not correct. Either swap the
power wires or the A and B channels. .

Frank
>

Discussion Thread

mueller914 2002-10-16 00:23:15 UTC Trouble with Servo controller (new box and software) dakota8833 2002-10-16 06:45:51 UTC Re: Trouble with Servo controller (new box and software) Jon Elson 2002-10-16 10:20:04 UTC Re: [CAD_CAM_EDM_DRO] Trouble with Servo controller (new box and software) Erik Reikes 2002-10-16 14:53:48 UTC Re: Trouble with Servo controller (new box and software)