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I need some information about existing (and possibly evolving) Open Source SCADA systems.
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By Anonymous on 28 September, 2005 - 1:01 am -
Data Flow Systems HyperTACII HMI runs on Redhat Linux using MySQL and Internet Explorer or Netscape...
Resources for Microsoft Outlook to OPC
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By Michael Griffin on 15 September, 2005 - 1:58 am -
In reply to Dennis - What would be needed to be added to the paging system you have described is:
...
By denn on 13 September, 2005 - 10:55 pm -
Michael
10 years ago I used a product called Win911 to inform an operator(s) of problems at a...
By Michael Griffin on 12 September, 2005 - 8:50 pm -
In reply to Jonas Berge - I don't think that using MS-Outlook (or other similar calendaring...
By Jonas Berge on 11 September, 2005 - 3:44 pm -
Not sure, but try this:
http://www.matrikonopc.com/products/opc-drivers/details.asp?driver=943
...
By Michael Griffin on 9 September, 2005 - 10:32 pm -
Send e-mails to a PC, with the command as part of the subject (or the first line of the contents)....
By Matt on 9 September, 2005 - 2:01 am -
If you are using HMI software E.G RSView, Citect, etc., write a bit of code to send you an Email or...
Need a *simple* solution for OPC read/writes for remote servers.
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By Anonymous on 12 September, 2005 - 9:37 pm -
Find out where the error occurs... it could be "Method Connect of OPCServer failed" or...
By Vishal on 8 September, 2005 - 3:46 pm -
Please check your tag names in PLC side. If any tag missing then it fires that error Error: Method...
I started writing a program for simulating control systems...
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By Jacob Kroon on 27 August, 2005 - 1:40 pm -
Hi Michael,
Tarball is now available here:
...
By Friedrich Haase on 26 August, 2005 - 5:33 pm -
Moin Jacob,
moin all,
Matlab has Simulink but for Octave there is nothing similar (as far as I...
By Michael Griffin on 25 August, 2005 - 1:51 pm -
Would you be able to put up a tarball of a snapshot? I haven't used git before, and when I followed...
By Jacob Kroon on 24 August, 2005 - 4:23 pm -
Hi Jiri,
The Scicos/Scilab project indeed seems to be quite similar to what I want to achieve...
By Jiri Baum on 23 August, 2005 - 2:11 pm -
Hello,
One should perhaps note that scicos and scilab are not Free / Open Source. In particular,...
By Aurelio Costa on 22 August, 2005 - 6:00 pm -
You're doing a good work, but have you ever seen scicos project from scilab group?
URL:...
By Marc Le Douarain on 22 August, 2005 - 5:38 pm -
Very interesting project. Good luck to go on... It needs lot of courage to develop/maintain a...
OPC and VAX communication
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By Russell Tolsma on 24 August, 2005 - 3:03 pm -
Talk to someone from Matrikon Inc. or check out their website at http://www.matrikonopc.com. They...
i plan to linking gcc project with my web base application such php
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By Michael Griffin on 13 August, 2005 - 4:34 pm -
There are lots of books and web resources on PHP as it is one of the most common programming...
Can fuzzy or neuro fuzzy be used for control?
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By Anonymous on 3 August, 2005 - 6:25 pm -
Well as far as i know fuzzy control are basically implemented to know the exact condition. for...
Looking for remote I/O with profibus interface and 110VDC and channal with time-stamp
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By AUTONIC05 on 3 August, 2005 - 6:24 pm -
Well you have to use IM153-2 card for timestamp signal. it is an remote interface module with time...
I have developed a custom OPC client which picks up data from LCN and writes back to specific TDC3000 tags. I want to include an additional point that whenever an OPC Server is writing to LCN it should invoke alarms to notify the operators that OPC Server is writing.
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By Tarik on 3 August, 2005 - 6:17 pm -
Kamran,
You should have installed APP to connect other systems over ethernet. I'm sure local...
By Kamran on 5 July, 2005 - 6:47 pm -
Dear sid,
i intend to develop more-or-less same software as what you have developed. i wud...
By Anonymous on 4 July, 2005 - 1:58 pm -
Thanks for your response.
Actually I have craeted a DLL in Visual Basic and a GUI in same to...
By Zahid on 27 June, 2005 - 9:41 am -
Could you please let me know which PC interface card did you use to connect to LCN?...
I would like to read a text string from a device which connected to the serial port and save this string to a text file or in to a database..
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By nitin on 14 June, 2005 - 11:17 pm -
solution:
1> open the port:
fd = open("/dev/ttyS0",...By Anonymous on 2 May, 2005 - 5:01 pm -
did you have a solution of ur problem? can u help me plz? I need also to read the contents of my...
An unhandled exception of type 'System.InvalidCastException' occurred in WindowsApplication2.exe
Additional information: QueryInterface for interface OPCAutomation.IOPCGroups failed.
Additional information: QueryInterface for interface OPCAutomation.IOPCGroups failed.
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By Pascal Brunot on 13 June, 2005 - 1:11 pm -
Just update your OPCDAAuto.dll in c:\windows\system32 to one more recent version. You can download...
Is compliance testing required to say that my device is Modbus "compatible" or that it uses the modbus protocol?
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By Curt Wuollet on 12 June, 2005 - 10:31 am -
I'm not sure there would be much ModBus out there if compliance testing were enforced. The spec is...
I am trying to communicate with AB PLC 5 using the ABEL library from a Linux Machine...
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By Ross on 26 May, 2005 - 11:06 pm -
The default word size for SLC is 16 bits and the default for PLC5 is 8 bits.
Try sending a...
Making Honeywell Plantscape R300 OPC Server enable.
does Wonderware InTouch have OPC server that can communicate data to another system that has a OPC client
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By Stefan Hesse on 20 May, 2005 - 12:20 am -
I'm not sure, if this the right solution for you. But this is the right link to download OPC Link....
Embedded computing folks may be interested in this...
having installed an AF100 OPC server on the AF100 network with an AC110. I have found no real issues except that I cannot write to a particular data type, MBS.
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By Kingsun, Ben J on 6 April, 2005 - 12:22 am -
The point is listed as a read and write point in the manual. I actually found out by accident that...
By Louis Ross on 5 April, 2005 - 11:21 pm -
Can you tell from any of the OPC clients what the access rights for this item are? It may be a...
Functional 3rd party use of the Honeywell OPC server
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By Anonymous on 30 March, 2005 - 1:44 pm -
Also the plagiarized post is completely irrelevant to this thread, and has nothing to do with...
By HoneywellEmployee on 29 March, 2005 - 11:54 pm -
Pleas give credit (for articles and information) where credit is due. For the above post by Tapas...
PID temperature control in refrigerated warehouses
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By Jim B on 26 March, 2005 - 5:09 pm -
We use A4Am modulating valve with standard BPR, we control this with a computer system that has PID...
I want to ask.... . Is possible connect PLC using PRODAVE, or PRODAVE is JUST for MPI communication?
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By Bert Kortenbach on 23 March, 2005 - 12:50 pm -
Great site!
But...
How do I go from there?
Can you give me some steps that I must follow?
...
I've been working with a variety of projects lately and diagnosing problems with the usual tools, which vary from pretty good to abysmal. As I've been doing this, it occurs to me that it should be possible to reverse engineer the protocols and datagrams and build applications that do the same things with OSS tools.
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By Curt Wuollet on 10 March, 2005 - 1:30 pm -
Just getting the customer base to glimpse that all the pain is artificial and could be easily...
By Tom on 9 March, 2005 - 12:47 am -
So the answer is let's write applications for Linux because it is open source and we will always...
By Michael Griffin on 7 March, 2005 - 5:46 pm -
On March 4, 2005, Tom wrote:
<clip>
> Software, software OS's, tools, and hardware are...
I have created an OPC Client using Visual Basic 6 which retrieves data from Honeywell OPC Server. Similarly I want to create a DLL file for the same code operation.
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By Anonymous on 9 March, 2005 - 12:33 am -
I have done that. Firstly, you create a new activex dll/exe project. Then add some class modules....
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