On 9 Dec 2008 at 21:24, [EMAIL PROTECTED] wrote:
I am using EMC2 and Ubuntu 6.06 and would like to share my
understanding of
hooking up a touch-trigger probe with experts on this list.
The probe acts as a NC switch and is connected to pin 12 on the
parallel port.
In the HAL file, I
John Thornton wrote:
[snip]
In the HAL file, I add a line: net probe parport.0.pin-12-in =
motion.probe-input (or net probe parport.0.pin-12-in-not =
motion.probe-input).
Not sure which one I should use.
A switch will make the in-not True when closed and False when open
and the in will be
On 10 Dec 2008 at 11:19, Stephen Wille Padnos wrote:
John Thornton wrote:
A switch will make the in-not True when closed and False when open
and the in will be False when closed and True when open.
That's not necessarily true. Whether the switch is NC or NO makes
no
difference.
John Thornton wrote:
On 10 Dec 2008 at 11:19, Stephen Wille Padnos wrote:
John Thornton wrote:
A switch will make the in-not True when closed and False when open
and the in will be False when closed and True when open.
That's not necessarily true. Whether the switch is NC or NO
I am using EMC2 and Ubuntu 6.06 and would like to share my understanding of
hooking up a touch-trigger probe with experts on this list.
The probe acts as a NC switch and is connected to pin 12 on the parallel port.
In the HAL file, I add a line: net probe parport.0.pin-12-in =
In the current version of emc, it's only possible to probe for one of
the transitions (G38.2: not touching to touching).
In the development version there are additional codes including G38.4
which is indeed indented for detecting when the probe goes from touching
to not touching. (There are also