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- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
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I have just tried out the auto tools, and they don't seem to work....
New Replies:
By Mario de Sousa on 27 November, 2001 - 5:04 pm -
hopfgartner wrote: > Currently, I enabled only the stuff in ./lib and >...
By hopfgartner on 27 November, 2001 - 4:59 pm -
On Wed, 14 Nov 2001 18:15:53 +0000 Mario de Sousa <msousa@fe.up.pt> wrote: <clip> >...
I have a few questions regarding MODBUS...
New Replies:
By Jeff Couperus on 26 November, 2001 - 11:40 am -
I haven't researched the timing and details of RTU mode communications however, in my years of...
By J.P. Cuzzourt on 1 November, 2001 - 1:23 pm -
Also, in noisy situations, esp. cheap radio modems for SCADA applications, Modbus RTU is impossible...
By Ryan Van Slooten on 1 November, 2001 - 11:56 am -
-- Bob Peterson wrote: > Modbus ASCII format is convenient to use over > a Modem because...
By Bob Peterson on 1 November, 2001 - 11:19 am -
Modbus ASCII format is convenient to use over a Modem because there is no guarantee that the entire...
By Kelvin Proctor on 31 October, 2001 - 12:12 pm -
> What is the reason for allowing such a long interval between 2 characters? > Why is...
from the Automation List department...
[Fwd: [ mat-Bugs-441966 ] top level make all does not build tcl]unfortunately I'm not able to run successfully ./configure in lang/tcl. ...
I decided to dig in glade's code and found a solution to the gnomepixbuf scaling problem.
As I recently discovered, classicladder is also distributed as a separate package...
Could someone explain to me what exactly is LinuxPLC. How does it communicate with instruments in the field and how does it all fit
together? ...
together? ...
New Replies:
By Jiri Baum on 10 November, 2001 - 9:56 am -
Hendri: > Could someone explain to me what exactly is LinuxPLC. It is a soft-PLC package - a...
I've commited right now some initial files for auto* support. ...
I've just put up a tarball of the source tree up on our home page...
New Replies:
By Curt Wuollet on 8 November, 2001 - 11:03 am -
Excellent ! Good Work, Jiri Regards cww -- Free Tools! Machine Automation Tools (LinuxPLC)...
Is there a ladder logic programming environment for Linux.
New Replies:
By Jiri Baum on 8 November, 2001 - 9:26 am -
Kipton Moravec: > Is there a ladder logic programming environment for Linux. There's Marc's...
I was reading through some old e-mail, and came across a discussion of whether or not CVS is keeping people away from the project. ...
New Replies:
By Mario de Sousa on 6 November, 2001 - 4:47 pm -
Jiri Baum wrote: > I was thinking more along the lines of a "weekly tarball" of the ...
By Jiri Baum on 6 November, 2001 - 4:44 pm -
Jiri: > > So, would it be useful to also have a downloadable tarball of the > > code, ...
By Mario de Sousa on 6 November, 2001 - 9:23 am -
I believe it would be useful. I was hoping I could finish off the Modbus module, and then we...
Jiri Baum wrote:
> > >We don't at this stage have any logging modules. (Which, now that you mention it, is a serious omission...) ...< < <
> > >We don't at this stage have any logging modules. (Which, now that you mention it, is a serious omission...) ...< < <
MAT LinuxPLC goes multilingual!
There is now a German version of the mat-devel list, with an automatically translating gateway...
There is now a German version of the mat-devel list, with an automatically translating gateway...
New Replies:
By Jiri Baum on 5 November, 2001 - 9:57 am -
Curt: > You never cease to amaze me Jiri! > Uhhh.....How's that translate? :) Actually, it...
By Curt Wuollet on 4 November, 2001 - 4:53 pm -
You never cease to amaze me Jiri! Uhhh.....How's that translate? :) Regards, cww -- Free...
By Curt Wuollet on 4 November, 2001 - 4:53 pm -
Danke, Herr Albrecht. Auf wiedersehn :) cww (taxing his 3rd grade German to the limit) -- Free...
By Harald Albrecht on 4 November, 2001 - 4:52 pm -
Curt Wuollet wrote: > You never cease to amaze me Jiri! literal: Du h=F6rst nie auf, mich zu...
I've been browsing the mail archives, and I've noticed that it'll be a year and a half since I posted that the SMM (now lib/gmm) is ready, this Sunday. ...
Thanks Bob and Ryan,
While we are still on the topic , here are 1 more question :
While we are still on the topic , here are 1 more question :
New Replies:
By Curt Wuollet on 3 November, 2001 - 12:05 pm -
Perhaps because lrc is simple and crc works with values from 128-255. Regards cww -- Free...
By Kai M. Becker on 2 November, 2001 - 9:20 am -
Am Donnerstag, 1. November 2001 18:33 schrieb Aditya Ayachit: > 1. Why does ASCII has LRC and...
We are looking for a reporting tool similar to Crystal Reports - for Linux.
New Replies:
By Jiri Baum on 29 October, 2001 - 5:20 pm -
Anand: > I believe Crystal report has to do more with formatting the data from a > database...
By Anand on 29 October, 2001 - 5:18 pm -
A long time ago I worked with SQL reportwriter on HP-UX. This software is similar to crystal report...
By Curt Wuollet on 29 October, 2001 - 5:08 pm -
Like these? CR is QBE is it not? http://sourceforge.net/projects/repgen/ ...
By Peter Hopfgartner on 26 October, 2001 - 9:24 am -
If I'm right, Crystal reports allows should be a fine tool to read data from a database. Reading...
By Jiri Baum on 26 October, 2001 - 9:13 am -
Anand: > You may have to use C++, Glade and likes to make reports in Linux, I > am not aware...
By Anand on 26 October, 2001 - 9:11 am -
You may have to use C++, Glade and likes to make reports in Linux, I am not aware of any crystal...
Linux PLC seems to be advancing rapidly and the recent tie up with AutomationX should provide the impetus that it truly deserves...
We had an internal meeting recently and felt it would be an excellent idea to write a “Class” or interfaces to support the MAT/LPLC project. ...
Curt Wuollet wrote:
> No Modbus doesn't require special hardware, but does have
> some interesting requirements.
When I was in Bracknell (UK) earlier this year I saw a Modbus emulator program that runs under NT via the serial port. The only special hardware requirements is the RS-232 to the "flavour of the month" serial protocol (RS-422/485) ...
> No Modbus doesn't require special hardware, but does have
> some interesting requirements.
When I was in Bracknell (UK) earlier this year I saw a Modbus emulator program that runs under NT via the serial port. The only special hardware requirements is the RS-232 to the "flavour of the month" serial protocol (RS-422/485) ...
New Replies:
By Allen Wang on 26 October, 2001 - 9:28 am -
Dear all. I had read this email-list for a long time! I just have been develop linux/dos modbus rtu...
By Greg Goodman on 25 October, 2001 - 2:37 pm -
> Howerver, I do check whether the write() returns with the appropriate > number of...
By Mario de Sousa on 25 October, 2001 - 10:51 am -
Yes, considering that I had also decided on not implementing it as a kernel device driver, there...
Could anybody please confirm/deny that the maximum frame size for modbus rtu is: 6 (header) + 250 (data) + 2 (crc) bytes...
New Replies:
By Greg Goodman on 25 October, 2001 - 3:42 pm -
> Howerver, I do check whether the write() returns with the appropriate > number of...
By Mario de Sousa on 25 October, 2001 - 3:37 pm -
Greg Goodman wrote: > > > Greg, I believe you support Modbus on the PuffinSCADA? Can you...
When the baud rate is not specified, io/modbus/rtu/tags.c:100 sets the baud
variable to NULL. Then tags.c:113 tries to strncpy(3) it somewhere.
variable to NULL. Then tags.c:113 tries to strncpy(3) it somewhere.
New Replies:
By Paul Jager on 25 October, 2001 - 10:47 am -
We had an internal meeting recently and felt it would be an excellent idea to write a “Class” or...
I've worked again a bit on auto* support in linuxplc. Those curious about this topic can mail me for a copy of the files. Anyway, I have some issues ...
New Replies:
By Mario de Sousa on 24 October, 2001 - 1:02 pm -
hopfgartner wrote: > > The code in the drivers directory should build linux > >...
This is surely one for Curt: From the preface of the OPC Foundation's specifications ....
New Replies:
By Curt Wuollet on 24 October, 2001 - 12:59 pm -
Hi Harald I, for one am not very much dissillusioned. Actually, given the circumstances, I think...
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