2013/7/11 Marshland Engineering <marshl...@marshland.co.nz>

>
> > 2. A higher servo thread rate than 1 KHz may be required to close the
> > velocity  portion (D term) of the loop with acceptable gain/stability
>
> How do I change this ?
>

You need to change servo period length, it is specified in INI file:
[EMCMOT]

# Servo task period, in nanoseconds
SERVO_PERIOD =          1000000

1000000 ns = 1 ms, so it is repeated 1000 times per second - that is where
you get 1 kHz update rate. Change servo period to 500000 to get 2kHz etc.


> How do I change the default loaded Gcode program ?
>
>
In INI file, [DISPLAY] section:
*OPEN_FILE = /full/path/to/file.ngc*

http://linuxcnc.org/docs/html/config/ini_config.html#_display_section_a_id_sub_display_section_a

-- 
Viesturs

If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto
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