On Thu, 2008-10-23 at 13:12 +1000, Peter Homann wrote:
... snip
There are 2 parts here. The Modbus interface basically transfers registers
or discretes between a Master (EMC) and Slaves(ModIO). You can almost
... snip
appropriate to the output, say 5Hz, 25Hz, etc. Then if EMC set the value
in
Steven demonstrated a working ModBus spindle control running from EMC2
to an AutomationDirect VFD at fest this last summer. We didn't try
anything like threading but it did forward, reverse, and speed. I'm
only guessing but I don't think the code got into the repository yet as
it was pretty
On Wed, Oct 22, 2008 at 08:10:26PM -0700, Dave Engvall wrote:
BTW - it appears that the hal stg driver doesn't have an index
output or am I again missing something.
If you mean a HAL pin which allows you to continuously monitor the state
of the physical index input, I believe you are
now i am sure i can use EMC2 to do my work. but to the EMC2, i am a beginner.
the user manual i have read it, but i still don't know what to do when i use
EMC2. is it OK I just put into the G code? if i want to control the kinematic
of PKM, i should modify the G-code, but i can't find the .ini
Steven demonstrated a working ModBus spindle control running from EMC2
to an AutomationDirect VFD at fest this last summer. We didn't try
anything like threading but it did forward, reverse, and speed. I'm
only guessing but I don't think the code got into the repository yet as
it was pretty
I think that using Modbus to operate a vfd for spindle control is ok,
but again the discussion is going back to issues of timing critical
functions such as motor and drive control. Simple digital I/O functions
would be a much better use for modbus. In my view functions such as home
and overtravel
On Oct 23, 2008, at 5:28 AM, Jeff Epler wrote:
On Wed, Oct 22, 2008 at 08:10:26PM -0700, Dave Engvall wrote:
BTW - it appears that the hal stg driver doesn't have an index
output or am I again missing something.
If you mean a HAL pin which allows you to continuously monitor the
There is a ModBus feature in Classic Ladder, but it seems to me that an
HAL component specifically for the ModIO peripheral would be useful.
ModBus may be a standard, but peripherals that use ModBus vary widely.
Modbus is avaiable in Classicladder 7.124 in CVS right now and will be
On Thu, 2008-10-23 at 07:45 -0700, Dave Engvall wrote:
... snip
Thanks for the confirmation although that wasn't the news I wanted.
I would like to be able to emulate the X function in lstg which
outputs the number of encoder counts between
index pulses.
Dave
... snip
Just a shot in the
Thanks Chris, I know you and I have talked about modbus and classic
ladder before. I did find a version on source forge that is version
0.8.2. How would I go about getting version 7.124 to work with the
current version? Are there a list of instructions some where? How do I
get from CVS?
Dave
On
Dave:
Yes I remember you were trying to get it to work.
Classicladder 7.124 (with modbus) is in EMC 's HEAD branch Look here:
http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?Installing_EMC2
and here:
http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?CVS
Download the TRUNK version of EMC, compile it
On Thu, 2008-10-23 at 10:36 -0400, Dave Keeton wrote:
I think that using Modbus to operate a vfd for spindle control is ok,
but again the discussion is going back to issues of timing critical
functions such as motor and drive control.
... snip
Dave
I agree that Modbus should only be used for
Sorry Kirk, I wasn't referring to recent postI should have specified
that. A while back the discussion started out with digital I/O but if I
remember correctly it went to issues of timing and servos. I believe it
was dropped because it was thought to be unsafe. The only point I was
trying to
Kirk Wallace wrote:
I agree that Modbus should only be used for non-reatime functions, but I
didn't see anyone suggest to the contrary in the recent posts. I did try
to imply that whatever HAL component is written needs to do what it
needs to do within the time available in the thread that it
Kirk Wallace wrote:
On Thu, 2008-10-23 at 07:45 -0700, Dave Engvall wrote:
... snip
Thanks for the confirmation although that wasn't the news I wanted.
I would like to be able to emulate the X function in lstg which
outputs the number of encoder counts between
index pulses.
Dave
...
John
Thanks for the tip, I meanwhile installed another tw GPU's without success. A
Nvidia 6200 AGP and a Trident PCI card to replace the AGP Matrox G450.
If I do this
sudo dpkg-reconfigure -phigh xserver-xorg
I get
FATAL: Module battery not found.
This seems to be an old bug, identified
On Thu, 2008-10-23 at 12:42 -0400, John Kasunich wrote:
... snip
I think some confusion is because of your use of the term thread. EMC
and HAL use the term thread to specifically refer to a _realtime_
thread with a specific period, but you seem to be using thread while
talking about a
Kirk Wallace wrote:
That's one of my problems. I only know enough to create a component that
fits in a realtime thread. (Dangerous is my middle name.)
User components are actually easier. You create pins and parameters
exactly the same as for a realtime component, but then you skip the
Question, do you mean that version 7.124 can be compiled into emc now or
do you just want us to play with it aside from emc?
Dave
On Thu, 2008-10-23 at 15:04 +, Chris Morley wrote:
There is a ModBus feature in Classic Ladder, but it seems to me that an
HAL component specifically
Jon Elson wrote:
[EMAIL PROTECTED] wrote:
Hi
I am tuning ac servomotor. For Xpos-cmd and X-pos fb I have 2 trapezes.
Upper part of trapeze should be horizontal, but I have some kind zigzag
that eventually become horizontal.
What should I do to make upper part flat – horizontal? ( P I D)
On Thu, 2008-10-23 at 10:14 -0400, [EMAIL PROTECTED] wrote:
... snip
Actually, I think I had a concern about the fact that the modbus library
was LGPL3 instead of LGPL2. I'm also not sure if we want to include the
modbus library in the EMC2 source tree (though it's pretty small).
Do you have a
On Oct 23, 2008, at 9:48 AM, John Kasunich wrote:
Kirk Wallace wrote:
On Thu, 2008-10-23 at 07:45 -0700, Dave Engvall wrote:
... snip
Thanks for the confirmation although that wasn't the news I wanted.
I would like to be able to emulate the X function in lstg which
outputs the number of
7.124 is included with EMC TRUNK . TRUNK gives you all the cutting edge work
that people have included. It can have bugs of course. It's possible to add
classiclader 7.124 to a production EMC (like 2.2x) but probably not worth the
trouble.
The version 8.02 you found on sourceforge is the
Hello everybody,
I recently bought a card Motenc-lite and when it started EMC2 with the
configuration of motenc, I get an error card not detected. Anybody can help me
identify the problem?. I attach the dmesg if it helps.
I hope the message will not be too long.
Thank you
Alex
[EMAIL
I have the trunk version you pointed to in an earlier message. What is
the proper command format to compile it? I followed the instructions on
the EMC wiki but I may not be doing it right! make is not
working..
Dave
On Thu, 2008-10-23 at 19:26 +, Chris Morley wrote:
7.124 is included
Looks like the board configuration is not correct. do you have access to
windows machine? I will email you a windows program off list. this will allow
you to reconfigure the board eeprom.
thank you
Anton
From: Chris Radek [EMAIL PROTECTED]
To: Enhanced
Don't know that much about Ubuntu but my xorg.conf file looked the same till I
plugged in a different video card. I read somewhere if Ubuntu didn't recognize
the
hardware it just use a default... and the Kbuntu was a bit better at
recognizing
hardware for some reason...
John
On 23 Oct 2008
On Thu, 2008-10-23 at 16:59 -0600, John Thornton wrote:
Don't know that much about Ubuntu but my xorg.conf file looked the
same till I plugged in a different video card. I read somewhere if
Ubuntu didn't recognize the hardware it just use a default... and the
Kbuntu was a bit better at
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