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Applications
Topic: Sensor technologies.
from the flow control department...
flow splitter for coriolis flow meter
Originally posted by Kirill St. on 26 November, 2012 - 4:34 am
Why do some companies use the double tube concept in the coriolis meter construction and almost no company that produce single tube coriolis flow meter?
New Replies:
Thank you for the answer...
In the beginning there was the MicroMotion single "U" shaped tube. This vibrated at...
Topic: Application Questions and Problems
from the Automation List department...
Android in Automation
Originally posted by Curt Wuollet on 21 November, 2012 - 12:38 pm
Using Android as an HMI application
New Replies:
Yeah, there's a lot of potential in this cutting edge silicon. I packs a lot into a single chip and...
Yes, it's happening. Check out the "CuBox" that is 2"x2"x2" and runs...
I would think it more accurate to say that it requires care from the outset to achieve it and it is...
> The goal of writing source code only once is rarely achievable in practice. WRONG !!! ...
Hi Robert Check these out https://www.olimex.com/Products/OLinuXino/A13/A13-OLinuXino-WIFI/ ...
> I might just add that any of the devices that run Android can also be programmed down to the...
I might just add that any of the devices that run Android can also be programmed down to the metal...
Yes, see my last post, the silicon available would make excellent industrial computers with the...
Yes, I was thinking more of the technologies and silicon the mobile market has spawned rather than...
I expect than Android based HMI's are being developed as we speak, I think there is a market. If...
Running C on an 8 bit microcontroller is nothing like using cross platform application frameworks...
>I want to write source code only once. >The result should be usable from microcontroller...
I have really been wondering about QT and C++ lately because I've written a lot of code in C#.NET...
>A timely discussion. "automation" at least in the context I know it, runs on...
>Yes, Linux is very, very, good at that. We think similar. But it seems you did not look...
Comments interspersed >> This is the type of thing I needed to hear. The PC world is still...
I want to write source code only once. The result should be usable from microcontroller up to...
> ...You will probably use some Linux type OS on that device and > i would insist to be able...
> This is the type of thing I needed to hear. The PC world is still headed in directions not...
This is the type of thing I needed to hear. The PC world is still headed in directions not helpful...
This one is still "Available Soon"... We are looking forward to test it. ...
Curt, I have already used Android tablets as the user interface in a piece of custom portable...
> people color outside the lines and mix in C and others? Could one do say, something like...
That is true, after all Android is a stack on top of a Linux kernel so you can persuade other stuff...
Hello Curt, you will know our http://pvbrowser.org which is a client / server framework for...
Hi Dave Before, it was going to happen. Now, it's happening:^) I'm fairly sure the...
As the past 12 year discussion has proven over and over, and as i always forget, most of us on the...
Originally posted by Dennis Koay on 23 April, 2003 - 11:39 am
Can someone help me to explain the meaning of volt-free contact, dry contact, wet contact and proximity contact?
New Replies:
By Gordon John Hinds on 30 November, 2012 - 11:53 pm -
Capacitive proximity switches have not been mentioned. they are true proximity switches which...
Topic: Engineering and workplace issues.
from the EE department...
120/208V or 277/480V.... huh?
Originally posted by Anonymous on 25 September, 2003 - 1:11 pm
what does it mean when something is rated 120/208V or 277/480V? What do the two numbers mean?
New Replies:
"You are correct ONLY if it is a pure resistive load... P = E * I and for this case you use...
> Excellent answer, if by "heater" you mean "motor". Actual...
Topic: Information resources, documentation.
from the Automation List department...
Oxidation of Relay Contacts
Originally posted by Mark Riche on 12 July, 2000 - 12:51 pm
What is Oxidation of relay contacts and what can be done to prevent it ??
New Replies:
> What is Oxidation of relay contacts and what can be done to prevent it ?? For both relay...
Originally posted by hemal on 28 November, 2012 - 6:59 am
Using MODBUS on RS 232 to connect a weigh scale to a PC
New Replies:
Hi, Hemal, Can you please elaborate in more detail? so that I can help you. You are the...
Originally posted by arocon David on 25 October, 2012 - 4:22 pm
For measuring hydraulic pressure of a high pressure pump, what do i need to measure: absolute or gauge pressure?
New Replies:
Depends on what you call high pressure. most commercial equipment (excavators, cranes, winches...
Topic: Engineering and workplace issues.
from the Forum department...
Measuring weight from Hydraulic Pressure
Originally posted by arocon on 16 November, 2012 - 2:48 am
I need to measure weight of the steel coil from the hydraulic pressure when lifted up
New Replies:
Depends how accurate you require to weigh, if for weights and measures, fit load cell and print out...
Topic: Application Questions and Problems
from the Electronics department...
difference between a pump and a compressor
Originally posted by Anonymous on 21 June, 2006 - 12:30 am
pump vs. compressor
New Replies:
A pump is a mechanical device which moves/displaces compressible or incompressible fluids (water,...
Topic: Application Questions and Problems
from the Forum department...
density and process measurement
Originally posted by aki_lala on 27 November, 2012 - 1:12 am
Does density affect process measurement? How?
New Replies:
> I am trying to do a final year project on density measurement equipment. But then, i was...
Topic: Application Questions and Problems
from the engineering department...
Floating point vs integers
Originally posted by Jim on 8 November, 2012 - 10:03 pm
Using floating point numbers vs using integers when designing a slave modbus device
New Replies:
> In designing Modbus slaves how much time should be put into avoiding using floating point in...
Topic: Power generation equipment control.
from the Forum department...
Connecting to GE EX2000 Exciter
Originally posted by KGE on 2 April, 2011 - 11:51 am
I wish to connect to a GE EX2000 exciter with Control Systems Tool Box 6 to troubleshoot the exciter.
New Replies:
Justin, Do you have information on which jumpers and how to put them? Best Regards, Jose...
Topic: Power generation equipment control.
from the Forum department...
Wind Effects on Draft DP Transmitters
Originally posted by gigemags on 25 November, 2012 - 2:29 am
How to subdue the effects of wind on sensitive draft pressure transmitters
New Replies:
I should think any kind of vessel with only a small orifice would average the ambient pressure. The...
Topic: Engineering and workplace issues.
from the Instrumentation department...
AB VFD PF400 direction reverse
Originally posted by Vinod Ghate on 22 November, 2012 - 5:50 am
VFD based Motor Direction changed automatically.
New Replies:
Hello; But We have tried with other motor (FD Fan) we rotated it in opposite direction...
Topic: Information resources, documentation.
from the engrg department...
Level and Flow Control
Originally posted by Olayinka Sam on 22 November, 2012 - 4:49 am
Need to find out if one can control the level in the Vessel and the flow from the pump (downstream the GFUs/Vessel) independently.
New Replies:
Its hard to say from your description. So the answer is "it depends". If you have 4...
Topic: Application Questions and Problems
from the Honeywell department...
Safety Manager Diagnostics
Posted by MAR on 19 November, 2012 - 11:42 pm
Extracting historical diagnostics from Safety Manager database in a readable format.
Originally posted by chiru on 18 October, 2012 - 3:55 am
use of fieldbus system for generator stator winding temperature measurement
New Replies:
There are many temperature measurement applications using FOUNDATION fieldbus. You can use the...
Topic: PLCs and related questions.
from the DP Problem department...
Siemens S7CPU can't see slave DP on Profibus
Originally posted by Mike on 11 November, 2012 - 3:45 am
Problem with S7CPU seeing slave DP on Profibus
New Replies:
By Gabriele Corrieri on 13 November, 2012 - 4:16 pm -
I've this mail on desk from two days, the only answer that I could give is that the DP port is...
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