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(Originally posted Tue, 25 Aug 1998) I am interested if anyone in the group has any specific reasons why they are still buying PLCs and not PC based controllers.
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By Red on 5 October, 2009 - 2:56 am -
I have 30 years experience in Control systems including over 10 years as a Programmer Analyst...
Graphical representation
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Re: Sorry, I was not disagreeing with your last post, but rather your first one and the part about...
By M Griffin on 30 September, 2009 - 12:05 am -
In reply to Matt Warshawsky: I'm not sure who you are disagreeing with. If it was me, all you are...
By M Griffin on 29 September, 2009 - 5:07 pm -
The link which Francis gave to "Softwaretoolbox" is to their clip art library. I believe...
Not completely true. DAQConnect (www.daqconnect.com) provides the web server for you so you don't...
By Controlwiz on 29 September, 2009 - 5:19 am -
Mike Griffin, Francis and Bob,
I appreciate your inputs to my thread. I am a beginner and am...
By M Griffin on 28 September, 2009 - 9:48 pm -
As a follow-up to my own post, if you are just looking for a clip-art library with control style...
By bob peterson on 28 September, 2009 - 1:53 pm -
Most HMI and SCADA packages come with a set of usable symbols....
By M Griffin on 28 September, 2009 - 9:29 am -
The answer to that is going to depend on how your web based HMI will work. I've designed one that...
Try the Symbol Factory (no not free and neither should it be):
...
Is it possible to connect Siemens AO card 4-20mA output to Siemens 4-20mA AI card?
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Hi guys,
Thank you very much for the suggestions:)
My AO card model is 6ES7-332-5HF00-0AB0
and...
By Y.K.JARIWALA on 30 September, 2009 - 10:15 am -
Normally , AO cards are source signal [4-20 madc] & hence when you connect it to AI card of the...
By Roy Matson on 30 September, 2009 - 6:42 am -
Hello,
The simple answer is to use a signal isolator. However if you study the wiring drawing...
By rsanjeevan on 30 September, 2009 - 4:03 am -
Hi,
place a suitable isolator b/w ao & ai card and see. i hope this will work because it may...
Discussion about osisoft pi
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By Jack Wilkins on 29 September, 2009 - 4:07 pm -
Have you considered other vendors? OSI PI and Aspentech IP21 both have lots of moving parts and...
need Siemens logo manual
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thank you very much for your help and good luck to you....
By M Griffin on 28 September, 2009 - 9:35 pm -
Try this. Watch out for any spaces which the forum software might insert in the URL.
...
By dchartier on 28 September, 2009 - 4:20 pm -
On Siemens' support website you can find and download all published material on Siemens...
Have you tried searching the Siemens website? That should have been your first attempt.
Here is...
By bob peterson on 28 September, 2009 - 1:54 pm -
I would bet you can get one off the Siemens web site....
what to do if the AC800M project is changed?
I am facing some problem in converting DeltaV DCS graphics into OSISofts PI ProcessBook Graphics
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I've used GrITS for converting Bailey to PI graphics but not DeltaV. The support is very good. I...
Pros and cons of Ifix Vs wonderware.
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By Bob Peterson on 26 September, 2009 - 2:37 pm -
All the brands of SCADA can do this. In fact, they all have very similar capabilities.
I am not...
By Fred Loveless on 23 September, 2009 - 11:11 am -
They both provide private labels of Kepware's OPC Server for connectivity. The server supports both...
I work with both and I prefer Wonderware INTOUCH. IFIX is much more complicated.
But to record...
By P. Khurana on 22 September, 2009 - 9:13 am -
All SCADA are good as long as they fulfill your technical requirement, easy to use, easy to...
Problem connecting to Factorytalk historian server.
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Make sure you have the server name exact, and that the users names and computers to use the system...
A question which needs an answer :)
How the protocol is implemented in a PLC?
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By andrzej on 24 September, 2009 - 2:30 pm -
Hello,
Try the websites :
www.modbus.org
www.modbus.pl
Regards
Andrzej...
By Issac Issachar on 23 September, 2009 - 10:51 pm -
I ran across a Modbus app note on Modbus in Spanish just yesterday, modbus.rar
I can't read a...
By M Griffin on 23 September, 2009 - 2:02 am -
Your question is a big vague. The Modbus specs are on the Modbus web site. I believe the link is...
Quick panel to 1747-SN
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Thank you for your feed back
But can I buy a converter which has rs485 to Remote IO protocol...
I'm looking for Back up software for PLCs and robots in plant
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By Trevor Ousey on 23 September, 2009 - 9:50 am -
Check out http://www.mdtsoft.com/...
By David Ferguson on 22 September, 2009 - 10:32 pm -
Depending on the type of PLC and Robots, Asset centre from Rockwell is a good solution.
Dave...
Some technologies have been in development for years, but only a few enjoy commercial success.
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By M Griffin on 23 September, 2009 - 4:24 am -
If I knew the answer to all that for sure, then in 3 to 5 years I would probably be pretty rich. I...
Simatic panels with LAN connection to recipe database on a server.
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It would be quite easy to write a program that runs as a service on a PC that periodically runs a...
Thanks BryanJ,
That was useful. Any idea of how to make periodical export of a table or query?...
can any one post me the Download link to RSTrainer2000
I have a S7 PLC network with PROFIBUS protocol. There are WinCC HMI PC. How to integrate additional field devices by extending PROFIBUS
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By dilip on 21 September, 2009 - 1:42 pm -
David and Rich,
Thanks for your contributions and support. In fact I have now obtained GSD file...
from the Instrumentation department...
I want to Know about ABB AC450 & AC160 Advant Control System ?how to check & configure the detailed logic by using different commands/tools.
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By Bob on 20 September, 2009 - 9:05 pm -
Hi,
We have created a bootable cd rom that is totally menu driven with over 200 Advant PDF...
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