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Where to install the flow measurement device?
When are IS barriers required?
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If it is a classified area and the marshalling (or junction box) is located in the field an IS...
Mark VI IONet N-Tron Network switches keep on failing, RCA needed
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VN,
Would it be easier, at least for a trial period, to add a fan, or fans, to the turbine...
By LxTM on 22 February, 2013 - 10:46 am -
What causes a relay to chatter?
Weak holding current, or some intermittent reason.
If the...
By VN on 22 February, 2013 - 2:20 am -
Thank you very much Mr bicycle mechanic we are looking for opportunity to modify location.
...
By bicycle mechanic on 21 February, 2013 - 5:34 pm -
Relocate switches in cooler areas.
Bottom of control cabinet. you will have to unbundle all...
We are facing same problem in our plant GE mark vi-e 9FA machine ever year 8/9 no's.
Over all...
Convince my employer that its not the right application
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By raj on 22 February, 2013 - 1:15 am -
Hello W.L. motsia,
I am new to instrumentation and thank you for your valuable information,...
By W.L. Mostia on 21 February, 2013 - 3:00 pm -
I am afraid that I have to disagree with the below statements regarding using a differential...
By raj on 20 February, 2013 - 1:43 pm -
Hello brett,
The first and foremost thing is that the DPT can be used to measure level of...
I am new in the field of automation. Could anybody tell me the difference between PLC and DCS other than I/O handling capacity?
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By Ramamoorthy on 21 February, 2013 - 8:16 pm -
At present stage, there is no big difference between PLC and DCS. Both are same doing all jobs.
...
How does a MOOG servo valve operate?
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By Krishnanand on 21 February, 2013 - 12:56 am -
Hi,
I have a Moog D661-4570E Servovalve for a Hydraulic Dynamic loading application. Recently, a...
Need you opinion on this topic: Minimum voltage for Hart communication
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> Thanks David for your detailed explanation. I am into commissioning and
> i was wondering...
By Thouseef on 18 February, 2013 - 11:35 pm -
Thanks David for your detailed explanation. I am into commissioning and i was wondering about the...
It's Ohms Law.
To drive the same current through greater resistance requires a higher voltage:
...
> The vendor assertions about minimum voltage are indeed correct. What you've
> missed is...
The vendor assertions about minimum voltage are indeed correct. What you've missed is the minimum...
from the electrical department...
what happens if turbine rated power is smaller than gen nominal powerwhat happens if turbine rated power is smaller than gen nominal power
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I agree Dave Amundson made two very important points about the turbine-generator application. The...
Dragan... Dave Amundson makes two excellent points that I completely overlooked. Based on his...
By Dave Amundson on 18 February, 2013 - 9:30 am -
A couple other things to consider:
1. A larger generator can cause a larger torque on the prime...
S.Zoghby, is absoluly correct.
1) There are qualified millrights that can properly couple and...
> Can we couple turbine 1,7MW with generator 7,5MW? What could be the problem?
I think there...
Two technicians are going to build a Servo-Hydraulic Actuator System (As a hobby, this is not commercial).
Comparing to supplier specs for flowmeter and flow control valve, the steam flows we are getting are very low
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Hi,
Yes the piping is insulated but the flowmeter and valve were not currently....
> Could there be any process reason i am missing?
Is the piping stainless, and if so, is it...
from the Instrumentation department...
Does the reading of a differential pressure transmitter change if we use a capillary tube?will the reading of a differential pressure transmitter change if we use a capillary tube?
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It depends on whether you have one remote seal on an open tank or two remote seals on a closed tank....
By Remith on 19 February, 2013 - 2:19 am -
if i move above or below, again i have to do calibration ryt. zero elevation/ suppression??...
By Curt Wuollet on 18 February, 2013 - 12:56 pm -
Any sulfur or sulfer vapor in the tube will freeze unless you keep the whole thing hot. And given...
If you have two remote seals, one at the bottom with another one at the top, then you can move the...
By d- on 18 February, 2013 - 9:59 am -
they work fine in liquid sulfur applications, surface tension and viscosity have no visible effect. ...
By d- on 18 February, 2013 - 7:45 am -
it may change slightly due to the difference in density of the fluid in the capillaries and that in...
By Remith on 18 February, 2013 - 5:37 am -
thanks david,
does the capillary effect and the surface tension make any effect on the...
Theoretically, the fluid in the capillary should transmit the pressure the same as tubing.
But...
Small scale SCADA system
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I think, Citect HMI is good choice.
By using inbuilt ci-code, you can customize your requirement...
GE MARK V Manuals
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By Justin Hamilton on 18 February, 2013 - 3:50 pm -
I hate to necro old subjects but I too am in need of Mark V (and Mark VI, not VIe) manuals and...
Currently working on a positioner and have basic knowledge of the functioning; am Looking for clarification on how the power for controller is drawn from the 4-20mA current loop
Looking for system integrators in Water/Waste Water SCADA in India
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By Patrick beckett on 17 February, 2013 - 10:07 am -
> I am from an EPC company in Qatar, looking for a system integrator for
> Water/Waste water...
Dear Paul,
Please explain more brief about your requirement of integrator in India.
If...
> Why "India" in Particular?
> We are very close to Qatar and we could gladly do...
what's the difference?
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By Suresh John on 17 February, 2013 - 7:01 am -
> What is the difference between check valve and non return valve
Both are doing the function...
Zone 2 requirement for PLC/DCS in Offshore platform
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By Abu Ashfaq on 16 February, 2013 - 1:17 am -
> My client is insisting on Zone 2 certification for DCS/PLC cards installed in a area...
VSD and Motor
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The short answer is "Probably". Depending on what make of drive and how you set it up at...
By Bob Peterson on 15 February, 2013 - 10:24 am -
Presuming this is a for a US location.
nominally the motor is rated for 480V, but the usual...
Siemens Supply Steam Turbine-SST-9000
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Dhinesh... developed for use with advanced Pressurized-Water-Reactors, it features a double-flow...
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