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- PC reliability?
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- PC reliability?
- 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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If you think education is expensive, try ignorance.
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-- Derek Bok, president of Harvard
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I am looking for a DF1 driver for Linux
New Replies:
Thank you for the link. I will have a look...
By M Griffin on 22 July, 2009 - 6:51 pm -
Try the following:
http://sourceforge.net/projects/libpccc/
It's source, so the processor...
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 Umaima on 29 July, 2009 - 12:53 pm -
Hi there,
plz send me the source code in c for sending the data to the serial port. ...
By shashank on 2 July, 2009 - 6:23 am -
Hi neha,
i would be very thankfull if u plz send me the c code for reading data bytes from...
By neHA on 8 June, 2009 - 9:46 am -
>you can read a data from the serial port using turbo C compiler, use inport and outport to...
By Curt Wuollet on 4 June, 2009 - 1:42 am -
I'd be happy to except that the serial port code for Linux would probably not compile. The IO stuff...
By Paul Wacker on 3 June, 2009 - 3:05 pm -
Have you considered a simple web search for this?
...
By tanya on 3 June, 2009 - 11:18 am -
hi!!
i am using turbo compiler. and i need a c++ code to read data from serial port and write it...
How to map variable length data to holding registers?
New Replies:
By M Griffin on 27 July, 2009 - 4:12 pm -
It's always good to hear feedback. The feedback helps other people who are following the discussion...
Now, that took me some time! But I have defined the registers (and am very glad that's finally...
By M Griffin on 19 July, 2009 - 3:14 am -
I will start off by saying that what would probably help a lot is to sit down and imagine yourself...
By Sebastian Seidel on 18 July, 2009 - 4:41 pm -
Thank you very much for the swift and in-depth response, without which I would most certainly have...
By M Griffin on 16 July, 2009 - 12:39 am -
You said that you're not sure about "the max data length of many variables". They're 32...
electrical engineer doing research on medium voltage Variable Frequency drives
I need Modbus convertors
New Replies:
By Yogesh Deshmukh on 22 July, 2009 - 7:33 am -
Aftek have come up with BM series protocol converters to bridge the gap between devices which...
matlab m file programm as a block in simulink.
New Replies:
Hi,
MATLAB has well-documented help and examples concerning S-Functions. Visit following folder...
Looking for some IEC 1131 software that is not vendor PLC specific
New Replies:
By Brian Beal on 22 June, 2009 - 10:53 pm -
Jeremy-
I will limit my comments to the motion control function blocks. I have come to realize...
What constitutes a higher-level language?
New Replies:
By Vince Spinelli on 22 June, 2009 - 9:46 am -
I've gone ahead and taken Barry's package, and made what I call a 'textual front end' (classy name...
Retrofitting CNC controllers and want to use Linux
New Replies:
By jason johnson on 22 June, 2009 - 2:04 am -
Hi,
Did you ever get your moog to drip feed? I have the same machine and want to drip feed long...
water tank motor opening and closing solution
New Replies:
Thank you for your valuable reply Mr.Walt.
Actually it's a pipeline that isn't always full. the...
By wboyes on 19 June, 2009 - 4:08 pm -
You aren't clear where the water is coming from. Is it surface water? A pipeline that isn't always...
Comm. Problems between Yokogawa ALP111 profibus Module and Siemens ET200M IM153-1.
New Replies:
Hello Mr.Carrero Blanco,
I really impressed that what modification u done in your offered GSD...
Hello Mr.
I find this recently, please check if this is usefull for your aplication.
Thanks.
...
OPC Drops Communication every 3 hours or may be once in an hour
New Replies:
By anon on 12 June, 2009 - 3:11 pm -
Mitsubishi(OPC Server)Redundant
Emerson(OPC Client)Redundant
No Message in Error log
...
By Fred Loveless on 12 June, 2009 - 2:50 pm -
So which is the OPC Client and which is the OPC server? Are you seeing any errors in the sytem or...
I need information for the Intellisys Remote Interface from Ingersoll Rand
Measurement of open water tank in winter
New Replies:
Couple of questions.
One- Does the fill for the tank come in from the top or the bottom?
Two-...
In my opinion try to using DP (flange type) because Redar instrument very expensive....
By pasha on 27 May, 2009 - 10:44 am -
You can use the pulsar hydrostatic pressure transducers the gives you 4020mA out put. I have used...
By Roy Matson on 1 May, 2009 - 4:24 pm -
Yes, you can use the pump suction connection but expect a bit of an error while the pump is...
By David on 1 May, 2009 - 1:27 pm -
Only if the gauge is heat traced & insulated to prevent its freezing. Bourdon tubes will fill...
I am looking for the drivers for the Satchwell BAS 2800+ to JACE / Niagara / Tridium.
New Replies:
Hi Steve,
Have worked it out we now have a Web interface for the BAS 2800+ without going to...
Meausure a small force over a great force.
Communicating between PLC with fieldbus and one with 4-20mA hardwired signals or modbus RS485
New Replies:
By tkb on 14 May, 2009 - 8:33 am -
The signals from field transmitters (without FF) shall go to a multiplier in control room. One...
By Radhakrishnan on 11 May, 2009 - 6:28 pm -
When you state "PLC1 supports FF technology", do you mean that PLC1 supports FF devices?
...
By AM on 11 May, 2009 - 9:44 am -
I don't know what you mean by foundation fieldbus philosophy but in general configure and provide...
Looking for a good multi-master CAN-based technology with lots of devices suitable for building automation applications.
New Replies:
Thank you very much for your response.
Lonworks is too expensive to work with for an open source...
By M Griffin on 11 May, 2009 - 12:18 am -
Devicenet is not an open standard. It's controlled by the ODVA, which is a closed club led by AB...
What are the best corrosion monitoring solutions available?
New Replies:
http://hpsweb.honeywell.com/Cultures/en-US/Products/Instrumentation/co rrosion/default.htm
...
I need to convert my C++ code into S7 for siemens s7-300.
New Replies:
By Martin Zborovjan on 8 May, 2009 - 4:24 am -
To use/reuse the C program, you have pretty much 2 options:
1. Use a SoftPLC from Siemens:...
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