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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
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no matter how self-seeking.
-- F. G. Withington
no matter how self-seeking.
-- F. G. Withington
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how a flow meter communicate
New Replies:
zabee,
If you wish to interrogate totalization and flow rate from water meters, then my company...
Vahid,
The 7955, depending upon which communication options it has, may support MODBUS/RTU or...
By Vahid on 30 July, 2009 - 11:11 am -
Our flow computer is Mobrey 7955, and the fluid is Crude oil, the floe element is orifice. I want...
By vahid on 30 July, 2009 - 11:07 am -
I have the similar case. I had some flow computers that I want some of their data and monitoring...
What is the brand and model of the flow meter? And what is the flow meter monitoring (water, gas,...
I think you are saying you need to convert pulses from the flow meter to an accumulator that...
By Andrzej on 29 July, 2009 - 9:03 am -
Hello,
You can add simply microcontroller like PIC with modbus slave protocol (see...
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...
Discussion about osisoft pi
New Replies:
By Max on 30 July, 2009 - 5:05 am -
> Take a look at iHistorian from GE Fanuc. <
I took a look at the iHistorian looks like it...
By Rob on 30 July, 2009 - 1:54 am -
OK. I'll bite.
Yes. OSI PI is a big system and at first glance I had exactly the same concerns...
By Trevor Ousey on 29 July, 2009 - 6:24 pm -
Hi Max,
My experience is with the Wonderware IndustrialSQL (InSQL) product, and then briefly...
By Alvaro Rodriguez on 29 July, 2009 - 5:15 pm -
Take a look at iHistorian from GE Fanuc....
We're not able to open an *.mop file created with XBT-L1000 V3.50. We have XBT-L1000 V4.42 now and receive the message "This is not an XBT-L1000 file" when trying to open the file.
I'd like to create system which can approximate number of available space in the parking for people from the outside of the company :-).
New Replies:
Check the web...there are commercial off the self products that already perform this function....
Reliability and availability of ZENON supervisor and STRATON automation software ?
New Replies:
By Curt Wuollet on 28 July, 2009 - 5:36 pm -
One must bear in mind that reliability that is fine for a trash compactor might not be fine for an...
By David Grice on 28 July, 2009 - 8:58 am -
Although the original post sounds a little like a advertisment as he seems to know alot about the...
Hi fjr1300,
Answering your third question the engineering tool can be used for PC and Windows CE...
By Curt Wuollet on 25 July, 2009 - 2:56 am -
Reliability and availability can't be any better than the Windows host. I consider that poor in...
Program in CoDeSys for configuring communication between wago PLC modbus/TCP and many slave devices via RS485 module.
New Replies:
By Jan on 28 July, 2009 - 4:02 am -
Hi AuthorP,
can you send me please your Modbus/RTU program also? Email - jan233321 /at/...
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...
HP UNIX server uses Interchange Library Routines (Allan Bradley-Rockwell) to communicate with PLC5 and CL5000. Need to move to LINUX.
New Replies:
Thanks, we have Ethernet connectivity to most of our PLCs.
Thanks
Ravi
...
By Nathan Boeger on 24 July, 2009 - 11:21 am -
Do you have Ethernet or serial connectivity on your PLC5s?
----
Nathan Boeger, CISSP, MCSE
...
By M Griffin on 24 July, 2009 - 10:52 am -
A similar matter was discussed a few months ago here: http://www.control.com/thread/1243588973
...
Problem reading weight using an rs232 serial port on a pc using VS2005 C#.
Modbus Connection AB CompactLogix - Mitsubishi A2ACPUcomm
New Replies:
By James on 23 July, 2009 - 9:28 am -
Yes, we want to use compactlogix as a master then Mitsubishi A2ACPU as a slave. Do you mean that we...
Matlab vs. labview for controlling the motion of a robot
New Replies:
By Andreas on 23 July, 2009 - 5:16 am -
If you want to compare and if you speak German a little there is a great Page comparing LabView and...
I am looking for opinions on whether a specific example of PLC rung is valid ladder logic.
New Replies:
By M Griffin on 22 July, 2009 - 1:52 pm -
In reply to Mike: That is an interesting solution, but it breaks the one-for-one instruction...
By Mike Lamond on 22 July, 2009 - 1:03 am -
Your sample is invalid in most versions of ladder logic, although some editors...
By M Griffin on 21 July, 2009 - 10:56 pm -
Thanks to all for their replies. I will assume then that this is not valid ladder logic and not...
The ladder logic editor I wrote considers that an error too, but it is a limitation of the...
By James Ingraham on 21 July, 2009 - 9:49 am -
Short answer: I think you're right.
Longer answer:
"I came up with a sample rung which I...
Is it possible to convert Modbus via TCP into Modbus TCP?
New Replies:
Hello,
I know a device which is exactly designed for your requirement, so from-to Modbus RTU...
Need help regarding development of smart device programming using VC++.net
New Replies:
By M Griffin on 21 July, 2009 - 3:03 pm -
That is a question that is probably better directed at Microsoft than here. It's not just a...
how modbus tcp to rtu converter works
New Replies:
By Paul Wacker on 21 July, 2009 - 12:52 pm -
KK -
Modbus/TCP protocol includes a "slave address" field in the header. So, there is...
By kk on 21 July, 2009 - 1:31 am -
Dear Paul,
modbus TCP access the slave by ip address of that slave and modbus rtu access data by...
By M Griffin on 20 July, 2009 - 3:22 pm -
Modbus/TCP and Modbus/RTU are essentially the same protocol. The difference is that with RTU a...
Need a Modbus RTU Master OPC Server as "Program Master"
New Replies:
Do you have the info how to setup those "Progam Master" paths on MB Plus? Sounds to me...
Want to know a method to install Experion R300 PKS simulator.
New Replies:
By concord on 21 July, 2009 - 9:26 am -
Dear Mr. Basir,
our plant is on construction progress and is used honeywell experion pks R300...
technical documentation of Honeywell PKS
ABB Symphony System platform, Tenore NT software
New Replies:
By Marcelo Santilli on 20 July, 2009 - 2:20 pm -
I did. I worked with Tenore NT for 6 years. I you need, I have the manuals. Regards....
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