vibration in GE Frame 6 after major overhaul
New Replies:
Dear Sir,
Thank you for your reply
Please take note of these points:
-The tests were not...
Ridha,
Were all these things done in a "shotgun" approach--meaning, where they all...
Need a team of Centum VP guys. Would Centum 3000 experience be sufficient?
Dp always shows high DP when flow or no flow
New Replies:
By W.L. Mostia on 18 March, 2013 - 4:53 pm -
The first thing I would do is verify that all the impulse line valves, manifold, and root valves...
By Jim Delaney on 18 March, 2013 - 11:01 am -
Poking your data into my quick sizer orifice plate program, I get an orifice bore closer to 16.75mm...
What is cascade control & explain two element in simple language?
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> We are having steam pressure, steam flow, for drum level differential
> transmitter. with...
By atish on 18 March, 2013 - 9:37 am -
We are having steam pressure, steam flow, for drum level differential transmitter. with the help of...
By A.K.Das. on 15 March, 2013 - 7:20 am -
By saying, Three element level control, we mean that, we take inputs from drum level transmitter,...
Suppliers of GULDE control valves.
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By hfuhr on 18 March, 2013 - 2:52 am -
Gulde is part of EMERSON Process Management
Please contact the german guys at
...
Can you recommend a book about instrumentation and process control in a petrochemical plant and oil and gas
New Replies:
By Walt Boyes on 17 March, 2013 - 3:17 pm -
Just please be aware that several of the books on this site are "pirate" versions of...
A frequent control.com contributor, Walt Boyes, is author of an excellent instrumentation book,...
By aan aan on 17 March, 2013 - 10:50 am -
Hi AB06,
try to visit http://www.ourmumbaicity.com/ebooks,
you can find many free to download...
By Rushi Shroff on 17 March, 2013 - 2:20 am -
Hello,
"Andruse" and "Liptec" would be two great choices....
By Bob Peterson on 16 March, 2013 - 8:34 pm -
Take a look at the ISA web site....
Slowness in retrieving data
New Replies:
By smalawi on 15 March, 2013 - 2:27 pm -
>Call Honeywell.
we did but not much support, seems they are very busy,
are anyone...
By Walt Boyes on 15 March, 2013 - 9:30 am -
Call Honeywell....
Yokogawa tuning parameters vs. Honeywell tuning parameters
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> I came from honeywell background which they use different parameters for tuning.
> In...
Mark VI not working with a VCMI board replacement!!
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By Ron Vincent on 12 March, 2013 - 5:24 pm -
Did you ever get your VCMI board problem fixed? I used to download them for GE when I was a field...
Why are my Rosemount 3100 Level transmitter readings seem wrong (Lower than expected) even when my tank level is high?
New Replies:
By Martin on 12 March, 2013 - 12:20 pm -
Is the tank vented or sealed?...
The reading is low it means the range values went wrong..so it is better to calibrate both zero...
If the readings are always low, then the reference level point and the bottom level points are...
brief on the difference between 2 Wire and 4 Wire Transmitter?
New Replies:
By Bob Peterson on 9 March, 2013 - 11:02 am -
RTDs can be either 2, 3, or 4 wire. It is a completely different thing than how the transmitter...
2-wire transmitter relies on loop power
4-wire is for external Power supply.
Then what is the use...
By anonymous on 8 March, 2013 - 11:57 am -
To rephrase your question:
If you have a transmitter that must be powered by 120v AC, can that...
By Bob Peterson on 8 March, 2013 - 10:22 am -
2 wire means the transmitter is loop powered. There are just two wires going to the device.
3 or...
By Khan on 8 March, 2013 - 7:37 am -
Can someone give me brief reply on this..
the 4 wire transmitter is power from the i/o module or...
Question about how a PID Controller might be implemented in C++. How to go from continuous to discrete signal in C++?
New Replies:
I didn't mention that, agreeing with Mark, "it's all about timing." The...
The following is an excerpt from my PID controller code, which uses a algorithm adapted for digital...
Bearing Temperatures hunting
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Installing Instrumentation on Insulated Bearings
...
Looking for Delta V training materials...
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By Vijay on 6 March, 2013 - 12:21 am -
http://www.emersonprocess.com/systems/support/documentation/deltav/doc vue/V8_3/D800002X112.pdf
...
Line Monitoring Needs and How it works
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The Digital Input card for this type of fault-detecting contact input is really a low accuracy A/D...
By Mihir Ramkrishna on 5 March, 2013 - 6:02 am -
>1 Open contact
>2 Open circuit ( wire Break )
>3 Close contact
>4 Short circuit (...
Want to change from Redundant to Non Redundant communication in ACM 11 and ACM12 of Centum CS DCS
We require an HMI (touch screen computer), for extreme operating temperatures of -40 deg to +50 deg. Can anyone recommend from where to get this?
New Replies:
By sensorles on 3 March, 2013 - 10:42 am -
There is Uticor by AVG Automation that will suite you...They are rated for -20 C to 60 C with class...
By James Ingraham on 1 March, 2013 - 10:54 am -
Bruce said, "humans cannot survive in these extreme conditions," but I (slightly)...
By Tony R. Gunderman on 28 February, 2013 - 2:18 pm -
I have not used them personally, but Beijer Electronics' QSI line (like the QTERM-A12) may get you...
By James Ingraham on 28 February, 2013 - 12:33 pm -
-40 C is awfully cold. I believe you will have to have a heater to bring the temperature up,...
By Bruce Thompson on 26 February, 2013 - 5:32 pm -
Given that this is a Human Machine Interface (HMI) and humans cannot survive in these extreme...
To control tank level and the ratio of its two inflow, at the same time
New Replies:
Hello H. H. Eder!=')
Sorry for the delayed response!
> This cannot work: A ratio...
When do we install a plug valve and when a ball valve?
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