Re: [CAD_CAM_EDM_DRO] G320 Fault

Jon,

Thanks for your reply. I have powered down and have had the drive completely
disconnected, still when I hook it back up the fault light stays on.

Any other suggestions?


Thanks,

Jason.

----- Original Message -----
From: Jon Elson <elson@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Saturday, April 05, 2003 4:50 PM
Subject: Re: [CAD_CAM_EDM_DRO] G320 Fault


>
>
> Jason Cox wrote:
>
> >Hello,
> >
> >I just finished wiring up my 3 g320's. They are mounted in the same
enclosure as my power supply, eveything is as neat an tidy as possible so as
to avoid any unwanted shorts. I powered up the unit the three gecko's fault
lights dissapeared and I started tuning my servo motor connected to my z
axis drive. No other motors were connected at this time. A couple of times I
faulted the z axis by running at too high rpms, nothing major.. I played
around with gain and damping till I was happy. When I looked back at the
enclosure the x axis had faulted for some reason. I had tested but not tuned
the x axis earlier and all was fine.
> >
> >I have checked all the wiring and all seems fine... besides that nothing
could have changed as I have not bumped or moved the enclosure not that that
should affect it.
> >
> >The x axis stays faulted no matter what... I connected a motor/encoder
with no luck and I have checked that there is +5 on the err pin. I may have
commanded some moves on the x axis with no motor connected, is this a
problem?
> >
> >
> Yes, of course. When a move is commanded, an offset is added to an
> accumulator in
> the drive. it expects a corresponding movement of the motor to produce
> encoder
> counts to decrement the accumulator value. If the accumulator counts up
> or down
> to 128 counts from zero, it causes a fault. (It may also fault if the
> error is not cancelled
> within some time limit.)
>
> But, a reset or power down should clear this.
>
> Jon
>
>
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