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Control.com topic...
LinuxPLC Project
from the Automation List department...
RS232 - RS485 converters
Topic: Open-source control projects, related links.
Originally posted by Mario de Sousa on 19 October, 2001 - 1:03 pm
Here goes one more question: I am using an RS232-RS485/422 converter that relies on the RTS line of the RS232 side to control the high impedance state of the line drivers on the RS485/422 side. ...
New Replies:
You can resolve it using the Isolation and lightning protection RS-232/485/422 converter on...
You may try out these port-powered serial converters (RS-232/RS-485 and RS-232/RS-485/RS-422) on...
from the Automation List department...
How we interface our SCADA with PROFIBUS
Topic: Open-source control projects, related links.
Posted by Rainer on 15 February, 2007 - 11:59 pm
We use interface cards with a dual ported RAM...
from the Automation List department...
breakout boards for hobby cnc applications
Topic: Open-source control projects, related links.
Posted by Arturo Duncan on 26 December, 2006 - 12:35 pm
maybe there could be an interest for a special breakout board with 24volt signals
from the Automation List department...
modbus_tcp for linux
Topic: Open-source control projects, related links.
Originally posted by John-Michael Taylor on 11 June, 2005 - 9:21 am
looking for modbus_tcp.h and modbus_tcp.c written by Phil Costigan
New Replies:
http://pvbrowser.org/pvbrowser/sf/manual/rllib/html/classrlModbus.html GOTO http://pvbrowser.org...
Hello, > Does anyone know where I can find the source for modbus_tcp written by Phil >...
from the Automation List department...
Crystal Reports
Topic: Open-source control projects, related links.
Originally posted by Paul Jager on 24 October, 2001 - 6:07 pm
We are looking for a reporting tool similar to Crystal Reports - for Linux.
New Replies:
Hello all We at Mksoft are at the same stage about having reporting tools under linux. After...
Men, i heard that linux developer are currently developing a package similar to crystal report in...
www.inetsoftware.de they have a program call i-net crystal clear teh server version to view the...
from the Automation List department...
Help?
Topic: Open-source control projects, related links.
Originally posted by Mike Whiteley on 16 May, 2001 - 9:15 am
I am in urgent need or raising a Square D PLC from the dead. ... may need to write drivers ... Can Linux be used?
New Replies:
Mike, To reuse the Sq d sy-max you will need the sfw374 program and a security key (dongle). You...
from the Automation List department...
PLC code generator
Topic: Open-source control projects, related links.
Originally posted by Mohammed Rahman Aerotech Inc on 22 January, 2002 - 9:43 am
Need soft PLC code generator (ladder logic, structured text, flow chart etc) for PC and interpreter written in C.

New Replies:
Look @ "http://cubloc.com" they have nice Ladder Logic controllers even though not...
from the Automation List department...
Problems interfacing through parallel port
Topic: Computers in manufacturing; also hardware discussion.
Originally posted by Gert Love on 10 July, 2002 - 6:26 am
Apparently Windows forces some bits in the parport registers high or low. Is there anything to do about it?
New Replies:
The problem is easy. Instead of using the ground (pin 22) to each data line, use them in pairs to...
Check out this link: http://www.lvr.com/parport.htm. You need a special driver for acessing the...
Please, do you have found a solution ? I've got the same problem ... with Win98 SE when I progam...
from the Maintenance department...
Pacific Scientific PC 800 Servo Drive
Topic: Open-source control projects, related links.
Originally posted by Roy Da Rosa on 27 May, 2005 - 1:16 pm
Fault with Pacific Scientific PC800 brushless servo drive
New Replies:
By Juan Pablo Pachon on 4 November, 2005 - 11:10 pm -
Please, send me information about of PC 800 Brushless Servo Drive This Servo Drive work alone or...
from the Automation List department...
PLC Linux
Topic: Open-source control projects, related links.
Originally posted by brena on 14 June, 2001 - 6:50 am
Software PLC linux
New Replies:
Hi, try MATPLC from http://mat.sourceforge.net wish to help... thanks...
from the Automation List department...
HMI: Making the Browser SCADA Multilingual
Topic: Open-source control projects, related links.
Originally posted by Anand on 19 October, 2001 - 2:51 pm
I have been thinking of making the tiny browser SCADA put up at www.smbd.org multilingual ...
New Replies:
The Xycom/Pro-Face HMI suport multi-language capability right out of the box. It's a fairly easy...
from the Automation List department...
Drivers
Topic: Open-source control projects, related links.
Originally posted by Ruiz-Santos, Ed on 25 August, 2000 - 1:15 pm
Can somebody tell me if Linux support PLC drivers use to retrieve data ?
New Replies:
What kind of data do you want to retrieve from which hardware? Perhaps the Comedi project is what...
from the PLC connections for the major suppliers department...
PLC connections
Topic: Open-source control projects, related links.
Originally posted by Rainer Lehrig on 5 August, 2004 - 11:40 pm
http://pvbrowser.org
is a Software for Process Visualization, HMI and SCADA.
Now we are working on the integration of PLCs and Fieldbuses.
New Replies:
The concept makes sense to me, my little demo PLC and MAT also work this way, though not...
The idea behind rllib is: - have a OS independent lib for control/automation - It works on...
That's a really good question. Wouldn't it be great if all the various truly Open Automation...
from the Nudam 6053 to work over Serial Interface? department...
Nudam and Linux
Topic: Open-source control projects, related links.
Originally posted by John Palmer on 18 June, 2004 - 9:13 am
How do you set up your serial port to talk to the Nudam 6053?
New Replies:
1) You will need a NuDAM-6520 RS-232/RS-485 Converter for your Port. 2) For the communication...
By Rokicki, Andrew on 22 June, 2004 - 1:31 am -
Do you get anything when you do: cat /dev/ttyS0 use Ctrl-C to exit. Try hooking known...
Have you tried something like minicom or C-kermit as a terminal? Use something like these to find...
from the Automation List department...
Design (long)
Topic: Open-source control projects, related links.
Originally posted by Simon Martin on 9 January, 2000 - 6:50 pm
This is a RFC (Request For Comment). I apologize for writing C code, but I think better in code than in any natural language ...
New Replies:
> On Sun Jan 9 19:46:49 2000 Simon Martin wrote... >...I would like to say the following...
from the Automation List department...
Re: RTOSes, PLCs and control
Topic: Open-source control projects, related links.
Originally posted by Curt Wuollet on 9 October, 2001 - 12:14 pm
Why would anybody who cares enough to write Open Source code on Linux want to depend on MS proprietary protocols and having a Windows box
in the mix?

New Replies:
By Michael Griffin on 18 March, 2004 - 10:01 pm -
Re: Paul Wilson & Software If by "your favourite company" you are referring to...
Safety systems should be outboard of any processor based device, including any mainstream PLC or...
One day, a chemical plant operator is going to be unable to respond to an emergency, because his...
Topic: Open-source control projects, related links.
Originally posted by Ron Gage on 22 January, 2000 - 10:51 pm
Once again, I have a new version of the AB Ethernet Utils available for downloading.
New Replies:
Hi folks: Once again, I have a new version of the AB Ethernet Utils available for...
Topic: Communications systems and equipment.
Originally posted by Tom Evans on 9 July, 2002 - 11:18 am
Need an ASIC to convert modbus RTU to modbus TCP, but the modbus TCP comms turnaround time must be very fast.
New Replies:
Yes, My Embedded device can constantly poll the subset of the Modbus RTU registers and held them...
from the Automation List department...
modbus standards
Topic: Open-source control projects, related links.
Originally posted by Anonymous on 14 October, 2003 - 8:43 am
modbus standards
New Replies:
I had a look - such vendor product documents are VERY dangerous to use as a "Modbus...
For our project http://pvbrowser.org I'm just integrating modbus. I rely on the following...
Hi Lynn Unfortunately, at this stage of the game, the only "universal" solution that...
In "theory" Modbus is a half-duplex protocol on TCP, so many slaves won't expect fast...
There are supposed to be, but from what I've see you are best guided by what is supported on the...
See http://www.modbus.org for all Modbus(R) standards questions....
Sorry, there are none in the formal "standards" world. Go to http://www.modbus.org and...
Go to http://www.modbus.org The most common is Modbus RTU either over RS-232/422/484 or TCP/IP. ...
Topic: Communications systems and equipment.
Originally posted by Jaiganesh on 8 August, 2002 - 1:08 pm
Need to send data/binary and object file in the form of XML (XML format) thorugh RS 485 using Modbus RTU. Is it possible?
New Replies:
Now you've done it... (it's Slovak, not Czech) Anyway, since google doesn't know about it, it...
from the control is going uncontrollable... department...
Realtime control system
Topic: Computers in manufacturing; also hardware discussion.
Originally posted by Russell Anam on 26 May, 2002 - 9:48 am
Need info about & suggestion about control project.
New Replies:
Jiri Baum: > > No, it is an objective property. For instance, a PLC is real-time, >...
Bob Peterson: > > > While your statement might well be true for some control > >...
from the serious department...
Magelis modbus CRC error
Topic: Open-source control projects, related links.
Posted by Dmitry on 17 September, 2003 - 6:06 pm
i have got the trouble to receive data from magelis to my PC.
from the Automation List department...
IO busses/bandwidth
Topic: Open-source control projects, related links.
Originally posted by Curt Wuollet on 11 June, 2003 - 11:10 pm
Attempting to resurrect my PC104 PLC project now that the dust has settled a bit.
New Replies:
By Chiron Consulting on 3 July, 2003 - 10:59 am -
Andrew, This is a late reply, so you may already have got what you need from earlier feedback. ...
By Rokicki, Andrew on 30 June, 2003 - 10:15 pm -

On June 28, 2003, Jiri Baum wrote: > I would say that if the tech needs to read the...

Exactly. My experience with SFC is Grafcet (in both Concept and ISaGraph). The beauty of SFC is...
1 2 3 4 5 6 7 8 9 10 11 Next
 
 
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