Re: Servo motor keeps running. (urgent help required)

Great Mariss, I'll give it a try and I'll keep you posted, hope it
works.

Mina F.

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Mariss Freimanis"
<mariss92705@y...> wrote:

> Encoder CHA ------------>G320 Phase A
> Encoder CHB------------->G320 Phase B
> Encoder +5V------------->Power supply +5V
> Encoder GND------------->G320 ENC-
> Encoder GND------------->Power supply GND
> G320 ENC+----470 ohm---->G320 ENC-
>
> Mariss
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "mina_aboulsaad"

<minaf@l...>

> wrote:
> > Mariss,
> >
> > I did not connect the Encoder ground to the Gecko 320 Enc-, it

went

> > to the external supply -0VDC, while I connected a 670 ohm

resistor

> > from Enc- to Enc+ on the Gecko, should have I connected the

encoder

> > ground to the Gecko and only got the +5VDC line from the

external

> > power supply???
> > I tried doing the test for the encoder mentioned in the G320
> > installation notes, but the voltmeter kept reading 8.9 VDC, and
> > wouldn't change while rotating motor shaft.
> >
> > Please advise.
> > --- In CAD_CAM_EDM_DRO@yahoogroups.com, "Mariss Freimanis"
> > <mariss92705@y...> wrote:
> > > You have encoder problems.
> > >
> > > 1) Did you connect your encoder ground to ENC- on the G320?
> > > 2) Are you sure your encoder has +5V TTL outputs?
> > > 3) Do you know for sure your encoder works?
> > >
> > > Mariss
> > >
> > > --- In CAD_CAM_EDM_DRO@yahoogroups.com, "Mina Aboul saad"
> > > <minaf@l...> wrote:
> > > > So I got the Campbell breakout board the Gecko 320, a demo
> > version
> > > of Mach2,
> > > > new encoders which I attached to my servo motor, the

encoders

> > draw
> > > 120 mA so
> > > > I got them an external power supply DC 5V, did all the

wiring,

> > and
> > > turned
> > > > the 80V DC supply, but the motors keep running and does not
> stop.
> > > > I'll explain the exact steps I did:
> > > >
> > > > - Connected ERR/RES (term 5) to Enc+ (term 7)
> > > > - Connected phase A, and phase B of the encoder to the Gecko.
> > > > - Wired the +5VDC and the ground from external supply to the
> > > encoders.
> > > > - Connected a 670 ohm resistor from term 6 to term 7 on the
> > Gecko.
> > > > - Connected the step & dir and the +5VDC from breakout board

to

> > > Gecko.
> > > > - Connected the motor Arm+ and Arm-, and connected the 80

VDC

> > power
> > > supply.
> > > >
> > > > I then turned Mach2, and configured X axis only, turned the
> > power
> > > supply on,
> > > > the motor began to move and did not stop, I then tried to

jog

> > the
> > > axis from
> > > > Mach2, I noticed that the motor breaks but the gecko fault

lamp

> > > turn on and
> > > > then goes out repeatedly, same thing happened when jogging

in

> > the
> > > opposite
> > > > direction, the motor breaks and the Gecko faults repeatedly

but

> > the
> > > motor
> > > > keeps turning in the opposite direction and won't stop.
> > > >
> > > > What could I be missing???
> > > > I also noticed that the step lead on the breakout board is
> > always
> > > on for the
> > > > x axis even when I do not press the jogging key, and the
> > direction
> > > lead is
> > > > always on when jogging in one direction and goes off in the
> > other
> > > direction,
> > > > is this normal, or should the lead goes off after I release

the

> > > jogging
> > > > key???
> > > > Do you think it's a problem with configuring Mach2, or is

there

> > > something in
> > > > the wiring???
> > > >
> > > > Please help.
> > > >
> > > > Best regards,
> > > >
> > > > Mina F.