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

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.