Re: [CAD_CAM_EDM_DRO] EMC stg2mod.o and problem with homing

Asim Khan wrote:

>Hi group!
>
>I am having trouble with EMC homing.
>
>My EMC settup is as follows:
>
>Motor type: DC-Servos
>Control system : EMC with Servo2go card
>motion control modue: stg2mod.o
>
>ini settings related with homing are as follows:
>
> HOMING_VEL = 0.1
> HOME_OFFSET = 0.0
> HOME_SWITCH_POLARITY = 0
> HOMING_POLARITY = 1
>
>when home switches in my machine are active they generate low
>output thats why i've set the polarity in ini to "0"
>
>When i am in manual mode, i select the axis by clicking the axis
>position counter and then i press home button. as soon as i click
>home button the selected axis moves in the direction to touch
>home switch. But after touching the home switch the axis do not
>stops, donot zero and neither they turn green!! instead the axis
>starts moving opposite to the direction of home switch till it
>presses the hard limit of the axis.
>I've had used emc with steppermod.o but i never had such problem.
>Please suggest whats wrong with my emc settup?
>
>

I've seen this bug with other motion modules. What we did was reverse
the sign of
the HOMING_POLARITY (this sets the direcxtion to move when
homing) and approach from the other direction. It worked fine under
those circumstances.

Jon