Re: Looking for Green Letters (Again)

[Matt Shaver <mshaver-at-erols.com>]

Jason_Bury wrote:

> Matt wrote on Jan 23rd:
> 
>> green. If you set the home switch polarity such that it matches the 
>> state that the input bit naturally floats toward, then the axis should 
>> home immediately when you push the home button. 

>  It now seems to us that our STG2 card and hardwire home switch is 
> functioning properly, but we may not have EMC configured correctly to
> recognize the tripping of the home switch.

> ; Name of motion control program
> ;EMCMOT =                steppermod.o
> ; EMCMOT =              freqmod.o
> ; EMCMOT =              stgmod.o
>  EMCMOT =              stg8mod.o
> ; EMCMOT =              emcmotsim
You've got the 8 axis card?


> ; Base address of Servo To Go board
> STG_BASE_ADDRESS   =    0x240
> ; STG_BASE_ADDRESS =    0x300
Double check this...


> ; Trajectory planner section --------------------------------------------------
> [TRAJ]
> 
> AXES =                  2
This should probably be set to 3


> HOMING_VEL =                    0.1
This is OK.

> HOME_OFFSET =                   0.0
This says that you'll home right on the index pulse.

> HOME_SWITCH_POLARITY =          0
This is what you'll probably need to change.

> HOMING_POLARITY =               1
This sets the direction that the axis will seek the home switch.