Welcome to Control.com, the global online community of automation professionals.
Control.com - Nerds in Control
Member Login
Search
Jump to a Date
Sponsored Communities
Cool stuff
Twitter Feed
Neat Stuff
Visit our shop for nerds in control lifestyle products.
Thermal Overload
The threads that wouldn't die...
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
Fortune
Death is God's way of telling you not to be such a wise guy.
RSS Feed
Use this link to get an RSS feed of the Control.com article flow, for private, non-commercial use only:www.control.com/rss/
To get a personalized feed, become a member at no cost.
As you know I've been working towards a PC compatible PLC form factor processor that runs Linux...
New Replies:
By Jiri Baum on 6 October, 2004 - 8:46 pm -
Hello,
You need an OS in there to handle all the features you listed - Ethernet and other...
By Curt Wuollet on 5 October, 2004 - 10:10 pm -
> There are several products out there that fully support multiple
> programming...
By Paul Jager on 5 October, 2004 - 9:58 pm -
We can do all of that and more of course, in Linux or Windows. No PLC required, just a box with...
By Matthew Hyatt on 4 October, 2004 - 6:17 pm -
There are several products out there that fully support multiple programming structure, have...
By Curt Wuollet on 4 October, 2004 - 5:50 pm -
Yes, exactly.
I would have to check if I can run _my_ choice of software on top, but it looks...
By Curt Wuollet on 3 October, 2004 - 12:35 pm -
Hi Warren.
> So? What are the advantages?
The vast power and facilities that come...
By Michael Griffin on 3 October, 2004 - 1:24 am -
I'm not sure it really is what you have been thinking about. The link is to proprietary software...
By Anonymous on 1 October, 2004 - 10:38 pm -
Curt,
How about this?
http://www.wago.com/wagoweb/documentation/758/eng_dat/d287000e.pdf
...
By James Ingraham on 1 October, 2004 - 6:54 pm -
What about Wago's industrial compact PC?
...
By warren on 1 October, 2004 - 6:36 pm -
So? What are the advantages? Can this Linux PLC also run an HMI like Wonderware or RSView without...
PLCopen informal gathering at ISA in Houston
I am trying to communicate with AB PLC 5 using the ABEL library from a Linux Machine...
New Replies:
By Steve on 21 September, 2004 - 7:40 pm -
The size you read and the size defined in the PLC must match, ie number of elements. You can...
By Michael R. Batchelor on 23 August, 2004 - 1:12 pm -
Steve,
Honestly, I've only seen one occasion in my life where we
actually used a 1000 element...
By Steve Myres, PE on 20 August, 2004 - 5:51 pm -
Thanks, Michael. I guess I never tried to make a file larger than a thousand elements....
By Michael R. Batchelor on 19 August, 2004 - 2:23 pm -
PLC5s can have data elemets 000-999.
--
Michael R. Batchelor - Industrial Informatics, Inc.
...
By Steve Myres on 18 August, 2004 - 2:06 pm -
Most SLC files are limited to 256 elements (integers, floats, timers, counters, etc., and bit files...
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..
New Replies:
By Anonymous on 2 September, 2004 - 8:08 pm -
If you know how many bytes to expect you can even do this in a script. For instance, if you know...
By Ken E. on 30 August, 2004 - 11:59 pm -
Look at the system calls "CreateFile" and "WriteFile". You can create a file...
By J R Barve on 30 August, 2004 - 3:53 pm -
I'll say and if you still have a problem, do revert. Will be obliged to assist.
J. R. Barve...
By Matthew on 30 August, 2004 - 3:46 pm -
Hi, do a google for the following, I forgot where abouts on the web that I found this:
Serial...
By Rainer Lehrig on 27 August, 2004 - 10:57 pm -
http://www.pvbrowser.org/pvbrowser/sf/manual/rllib/html/classrlSerial. html
Download:
...
By Michael R. Batchelor on 27 August, 2004 - 9:14 pm -
There are probably 10,000 examples you can find using Google in just a few minutes. There are also...
By Curt Wuollet on 27 August, 2004 - 7:59 pm -
Look in the archives, I've posted that before.
Regards
cww...
Control block diagram and transfer function...
New Replies:
By Todor on 31 August, 2004 - 12:47 pm -
The block diagram is simple.
The Control is the big problem: Since you have different water...
PID temperature control in refrigerated warehouses
New Replies:
By sandeep on 30 August, 2004 - 11:52 pm -
Respected Sir,
I would like to have more information on PID refrigeration system.
Some basic...
how you managed to use Zebra printer under linux
New Replies:
By matt on 2 August, 2004 - 11:54 pm -
Setting up Remote Printers on LINUX OS:
Setting up the client to print to the print server’s lp...
By Michael Griffin on 9 July, 2004 - 9:41 pm -
Have you tried Kbarcode label design software? I believe this program has Zebra support now.
...
By Curt Wuollet on 8 July, 2004 - 2:28 pm -
I simply wrote a small C program that formatted data in the Zebra
"language". It uses...
Need a *simple* solution for OPC read/writes for remote servers.
New Replies:
By Brian on 29 July, 2004 - 11:50 am -
I had a similar problem, afetr checking every dll I found nothing. What I did find was that my...
By Mark Hensley (Kepware Technologies) on 15 July, 2004 - 11:40 am -
Dear Charlie,
One thing I would suggest is that you not connect to the server on your timer...
By Charlie Huang on 9 July, 2004 - 2:28 pm -
Jeff Gobatto,
My codes works for several hours and it will encouter your problem. Here is my...
By Mario Elmers on 24 June, 2004 - 8:34 pm -
Hi,
when you use iFix as OPC Server why don't use the Intellution FDS Control, it should work...
By Reg Meyers on 24 June, 2004 - 12:46 am -
check out Matrikon's OPC tunneler. The problems you are experiencing are exactly why it was...
By Jeff Wormet on 10 June, 2004 - 11:59 pm -
I was in the exact same situation as yourself, but the two suggestions you listed did not fix the...
what is meant by "FREE FORM" or "NETWORK GEOMETRY" rung Format in DCS SYSTEM?
Using OPC in VB.NET
New Replies:
By HC Lazarine on 28 July, 2004 - 12:57 pm -
What is the best product to convert VB6 to either VB.Net or C#? How much effort is typically...
Retrofitting CNC controllers and want to use Linux
New Replies:
By Vasantha from Sri lanka on 26 July, 2004 - 5:19 pm -
Dear Scott,
You can use Linux on the EMC controller by NIST.
You will have to buy a 4 axis...
I am working to control a motor by RFOC algorithm using NN. Could you send me matlab files of simulation of RFOC. Thanks a lot!
Best regards,
Nguyen Quoc Vo.
Best regards,
Nguyen Quoc Vo.
May I do Conexion between Wonderware and Pelco for control of CCTV systems through SCADA System?
New Replies:
By Fernando Granier on 15 July, 2004 - 9:52 pm -
You can use the R-VIP-T from Hirshcmann in order to conect any camera to a Windows based SCADA....
An unhandled exception of type 'System.InvalidCastException' occurred in application
Additional information: QueryInterface for interface OPCAutomation.IOPCGroups failed.
Additional information: QueryInterface for interface OPCAutomation.IOPCGroups failed.
New Replies:
By Mark on 6 July, 2004 - 11:19 am -
Stephane,
Chapter 7 of Nathan's book on .NET and COM Interoperability
describes the process of...
I am having problems connecting CitectSCADA to an OPC server. Citect reports that the server is offline.
New Replies:
By Leo Truong on 1 July, 2004 - 7:09 pm -
You may have to setup some OPC info in the citect.ini, if you go to the citect knowlegebase, there...
Looking for remote I/O with profibus interface and 110VDC and channal with time-stamp
I want to use the OPC Server part from the Wizcon Scada package. Anybody know how?
New Replies:
By WizUser on 17 June, 2004 - 5:32 pm -
Hi,
I hope it's not too late.
In the Wizcon bin folder, there is a 'wizopc.exe' or...
Your use of this site is subject to the terms and conditions set forth under Legal Notices and the Privacy Policy. Please read those terms and conditions carefully. Subject to the rights expressly reserved to others under Legal Notices, the content of this site and the compilation thereof is © 1999-2009 Nerds in Control, LLC. All rights reserved.
Our Advertisers
Help keep our servers running...
Patronize our advertisers!
Patronize our advertisers!