from the Forum department...looking for info on contelec PL302-25KO
contelec PL302- how does it work?
from the Wireless department...Wireless solution for Water level monitoring
Looking for a solution to monitor water tanks with wireless connectivity.
> We want a solution, to monitor the water tanks with wireless connectivity. If you contact...
Hi, might want to look at using the wirelessHART solution to monitor the water level for your...
from the Private department...Cast Coil versus VPI Dry Transformer
Should I picked Cast Coil or VPI type Transformer for my project?
from the Level Control department...Magnetorestrictive Level Transmitter issues
Extreme vibration and loss of signal on level transmitters
By d- on 27 March, 2013 - 2:57 pm -
G's = (2 pi freq)^2 displacement/g, g=9.8 m/s2, so for a displacement amplitude of 0.1 mm, and a...
By d- on 27 March, 2013 - 2:20 pm -
for reference when the vibration levels exceed 1 G continuously, you'll start impacting the...
By d- on 27 March, 2013 - 11:38 am -
you need to be a bit more specific about how your instruments are wired, i.e. te terminations,...
from the Forum department...Junction Boxes for zone 0
what is the minimum requirements for junction box in zone 0?
The only requirements in IEC60079.11 relating to enclosure design refer to Ingress Protection. As...
By M on 27 March, 2013 - 12:45 pm -
Ibrahim, The easiest way to answer this is to replace like for like. Equipment ratings should be...
from the Instrumentation department...Pilot Operated Deluge Valve
Pilot Operated Valve
By RM on 27 March, 2013 - 12:08 am -
from the Forum department...Transfer Function of a Solenoid Valve
Looking for a transfer function for a solenoid valve which regulates the quantity of steam that is provided to a heat exchange coil
By Steve Myres on 26 March, 2013 - 11:36 am -
Well, usually the transfer function for a solenoid valve is: On: 0% Off: 100% ;) A...
from the Forum department...Electrical deviation for drives
Can phase-phase 230VAC be given to a drive of 230VAC rating (instead of Phase-Neutral 230VAC)
from the C&I department...PLC for Burner management system
How a PLC can be more than a Burner management system..
from the instrumentation department...generator hydrogen cooling system
hydrogen cooling system for GE frame6 generator manual
By JFB on 25 March, 2013 - 8:38 pm -
CSA… I am glad this thread got bumped. That was an excellent explanation with some very good...
Very nicely written explanation. Please answer two quick questions about the cost of keeping large...
from the Forum department...Security Survey for Automation/Control Engineers
This is a survey aimed specifically at automation/control engineers in relation to security for industrial control networks
Anthony, Yep, just went live. Mike...
Hi Mike, Did you get a chance to post the survey to twitter Thanks Ant...
I would like to get a copy of the results. I wanted to reiterate Walt's point that your questions...
> My concern with your survey is that it is far too IT focused to be valuable as a survey of...
Anthony, I'd like permission to share outside of control.com. My twitter followers would likely...
By Walt Boyes on 20 March, 2013 - 1:15 pm -
My concern with your survey is that it is far too IT focused to be valuable as a survey of...
> Can you post the results of the survey when it is complete? Firstly thanks for doing the...
from the How is independent control possible department...Torque and speed control in BLDC motors
I want to know the details of a speed control for a BLDC motors. I want to know the relation between the torque variation during speed control.
By Chinni on 23 March, 2013 - 9:20 am -
Hi Sam, I do have a similar issue and need your help. I am converting IC engine two wheeler to a...
from the Doubts department...AVR prismic a30
Standby card leds 1 and 2 has been switching on AVR Prismic
from the INSTRUMENTATION department...Measure boiler level
have to measure boiler drum level of 500 mm
Dear, I am measuring the drum level 0-920mmWC. My transmitter range set is +620 to -320. So, the...
from the Forum department...Mark VIe Enclosure
Mark VIe enclosures have abnormal heat inside.
Do we need for these enclosures a cooling fan
as a part of enclosure.
Do we need for these enclosures a cooling fan
as a part of enclosure.
Zeylemi, I don't believe you're going to find a standard about cooling of an enclosure, and if...
from the Forum department...Need Advice: Career Path
I need your advice on which field would lead me to enter the oil and gas industry.
By Joe on 22 March, 2013 - 8:20 pm -
Thanks Rushi and Rob. So I presume both of you guys pursued further studies/earning degrees...
By Rushi Shroff on 22 March, 2013 - 8:41 am -
Hi, The shift should be smooth.I myself was a web programmer in IT boom period and later lost the...
from the Forum department...vibration in GE Frame 6
vibration in GE Frame 6 after major overhaul
By Iman on 22 March, 2013 - 2:22 pm -
Hmmmm..before the outage/shutdown, was this a controlled shut down? How much run time has been...
By Ridha on 22 March, 2013 - 9:32 am -
Dear CSA, Thank you for the attention you give to this subject. From my side I Strongly...
Ridha, > -The problem is that the vibrations were also measured using an external >...
Dear Sir, Thank you for your reply Please take note of these points: -The tests were not...
from the Electrical department...ATS acting instantaneously at the time of Fluctuation
ATS acting instantaneously at the time of Fluctuation, other wise at the time of shutdown it is working what delay we used in under voltage relay.
from the automation department...Drum level control by two element
What is cascade control & explain two element in simple language?
By RISHI THANKS NEED MORE HELP on 22 March, 2013 - 4:37 am -
Dear Thanks for imdt reply. we belongs to filed of plc programing & basic faculty is...
In case of drum level control a. Single element control - Drum Level as input' b. Two element...
from the control department...GT FSR for warm up the turbine
FSR fuel reference - margin of FSR warm up
Ahmed, Thanks for the feedback! This is an excellent example of immediately jumping to the...
also check 96FG2A/2B/2C they are are alike? If two are identical and third one is from different...
By Ahmed on 20 March, 2013 - 11:56 pm -
Again thanks, i was really good help from you all. the problem was the supplied pressure and...
from the ELECTRICS department...Generator MVARS
What are VARs?
mohammad saeed, That is the ideal operating condition for the "supplier" (generator). ...
By mohammad saeed on 21 March, 2013 - 7:14 am -
as u said we can control the mvar by excitation and u said if mvar is zero that's is advantageous...
from the Forum department...Has anyone encountered PROPRIETARY LADDER LOGIC?
We have a fabricator to whom we have paid millions of dollars who refuses to turn over any logic diagrams, ladder logic, HMI, etc., claiming it to be proprietary.
By Steve Richards on 21 March, 2013 - 8:20 am -
In any contract such as this, you need to be sure what you are buying. Which depends on what you...
from the instrumentation department...Creating a vacuum seal\chamber in the LP side of differential transmitter
How to create a vacuum seal\chamber in the LP side of differential transmitter in order to find absolute pressure?
from the elctrical department...current capacity of 1c x 630 sq.mm un-armored cable
current capacity per meter of 1c x 630 sq.mm un-armored cable
from the Forum department...Communicating with Parker SSD drive
My new service laptop doesn't have a serial port and it seems parker doesnt make any cables to talk to their drive that go through USB.
You can't start worrying about what's going to happen. You get spastic
enough worrying about what's happening now.
-- Lauren Bacall