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Control.com topic...
Sensors
Topic: Sensor technologies.
from the Instrumentation department...
Triple IR Flame Detector
Originally posted by Mirza Vaseem Raza on 28 February, 2013 - 11:17 pm
Please somebody explain the principle of a Triple IR Flame Detector.
New Replies:
Mirza Vaseem Raza, Have you seen this: ...
Topic: Sensor technologies.
from the Instrumentation/ process control department...
selection of valve- Ball and pluge
Posted by Litto on 27 February, 2013 - 3:52 am
When do we install a plug valve and when a ball valve?
Topic: Engineering and workplace issues.
from the Inst department...
Ingress Protection
Posted by Log on 27 February, 2013 - 3:05 am
Ingress Protection
Topic: Application Questions and Problems
from the 0-500mA to 0-10V department...
Signal Conditioning
Originally posted by Mike on 19 March, 2008 - 12:10 am
Applications help
New Replies:
Sorry to revive a dead thread, but I just came across this as I was looking to do something...
Topic: Software, including programming, OS issues, etc.
from the Nmodbus department...
Reading registers - Socomec Diris
Originally posted by Mark H on 23 May, 2011 - 11:22 am
Trying to find correct registers/method to read
New Replies:
Hi, i had the same problems to read register from diris. After some mails with Socomec I got it to...
Posted by John Storr on 26 February, 2013 - 5:05 am
Help with mechatronic design for a system for spray coating forging and forming samples.
Topic: Sensor technologies.
from the DIY department...
Low Cost Low Weight Sensor
Originally posted by RPS on 23 February, 2013 - 9:26 am
Looking for a low cost low weight sensor (0.05 - 5 Kilograms)
New Replies:
> you can check out the website of Chinese Sensor dot com. Thanks. I checked the site. Seems...
You can easily find a loadcell meeting your requirement and price target. Most Chinese vendors...
Originally posted by Deepak Singh on 12 December, 2012 - 2:55 am
Which flow meter will be applicable for above mentioned subject if tapping is not allowed ?
New Replies:
I need to measure flow for sewer lines that has gravity flow of 0.6-1.6m/s and the volume of flow...
Topic: Continuous process industries, DCS questions.
from the instrumentation department...
Using flow transmitter to measure sulfur
Posted by muntaser on 23 February, 2013 - 12:13 pm
How to connect transmitter when measuring sulfur using flow transmitter?
Topic: Engineering and workplace issues.
from the I know its wrong department...
DP Tx for Interface
Originally posted by BrettA on 20 February, 2013 - 5:50 am
Convince my employer that its not the right application
New Replies:
Hello brett, The first and foremost thing is that the DPT can be used to measure level of...
Topic: Continuous process industries, DCS questions.
from the Steam Sterilisiation department...
Flow Control Valve Pressure Drop
Originally posted by Tim Smith on 14 February, 2013 - 4:30 am
Comparing to supplier specs for flowmeter and flow control valve, the steam flows we are getting are very low
New Replies:
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...
Topic: Sensor technologies.
from the Instrumentation department...
Interface Level Measurement
Originally posted by sanjib on 5 December, 2008 - 4:12 am
How can we measure Interface level measurement?
New Replies:
Hi Sam, I have some questions with regards to using a DP transmitter for Interface level...
Originally posted by remith on 15 February, 2013 - 1:27 am
will the reading of a differential pressure transmitter change if we use a capillary tube?
New Replies:
It depends on whether you have one remote seal on an open tank or two remote seals on a closed tank....
if i move above or below, again i have to do calibration ryt. zero elevation/ suppression??...
If you have two remote seals, one at the bottom with another one at the top, then you can move the...
they work fine in liquid sulfur applications, surface tension and viscosity have no visible effect. ...
it may change slightly due to the difference in density of the fluid in the capillaries and that in...
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...
Topic: Software, including programming, OS issues, etc.
from the Forum department...
Small scale SCADA system
Originally posted by Paul on 18 February, 2013 - 6:18 am
Small scale SCADA system
New Replies:
I think, Citect HMI is good choice. By using inbuilt ci-code, you can customize your requirement...
Topic: Sensor technologies.
from the Forum department...
Range of Pressure Transmitter
Originally posted by Gafoor on 30 January, 2013 - 9:06 am
Range of Pressure Transmitters
New Replies:
What is meant by turn down ratio and what is the relation between turn down ratio and accuracy???...
Originally posted by The miracle worker on 10 February, 2013 - 12:08 pm
Possible issue with WX compensation cable to DCS reading of Thermocouple temperature?
New Replies:
I thank you all for your input and will be revisiting the issue this week. But to add some more...
one other diagnostic is to turn off the dcs compensation, and then check the readings....
Many good points I read.. Check for grounds on both K leads as close to the probe as possible...
you've an excellent discussion with many very good points, about the only issue that remains is to...
A 5C error (maybe greater) is possible with some handheld digital thermocouple thermometers...
T/C 3.7mV DCS 4.1mV T/C terminal head is at 55deg the cable runs through a steel ducting at 50...
Electrical noise due to HT cables... Rans near to thermocouple cable.... mV may Different at...
a further question is this. What is the temperature at the terminals you indicate are at high...
what are the displayed millivolts at the t/c and what are the displayed millivolts at the dcs...
Topic: Power generation equipment control.
from the Operations department...
Natural gas flow meter summit8800 problem.
Posted by Rokan Uddin on 9 February, 2013 - 4:08 pm
Krone Summit8800 natural gas flow meter calculation is erratic due to upstream pressure beyond limit.
Originally posted by RV on 9 February, 2013 - 11:44 am
I could not communicate with my PC when i connected the MM LDM 7835 to my PC
New Replies:
Assuming your software actually talks through a serial port, you need to check - Windows'...
Topic: Software, including programming, OS issues, etc.
from the puzzled new user department...
ROCLINK800 Floboss 107 MODBUS Slave configuration
Posted by username on 8 February, 2013 - 10:22 am
I am trying to configure the Floboss 107 as a MODBUS Slave with specified register I/O parameters as specific MODBUS addresses.
Topic: Sensor technologies.
from the Forum department...
Square root extraction in DCS
Originally posted by oruam on 21 December, 2009 - 6:35 am
Square root extraction in DCS
New Replies:
You always do the square root extraction in the DCS for the very simple reason that if you have to...
Topic: Sensor technologies.
from the Instrumentation department...
Flow meter selection for sludge flow
Originally posted by Dasa on 18 April, 2011 - 2:44 pm
Flow meter selection for sludge flow measurement
New Replies:
I suggest you to use ultrasonic flow meter type with min 2 path sensor....
Topic: Sensor technologies.
from the Forum department...
compensation cable in tc
Originally posted by Charles on 6 February, 2013 - 9:54 am
about compensation cable info reqirements
New Replies:
Thermocouple extension cable is required because it completes the measurement, which is the EMF...
> is it required when transmitter is near to sensor? How near is "near"?...
simply because the various junctions are at unknown temperatures, so it depends on your design and...
Topic: Sensor technologies.
from the EE department...
difference between NPN/PNP Sensors
Originally posted by majid on 8 October, 2006 - 4:57 pm
what is difference?
New Replies:
Hi,. for me to easy remember, Output NPN sensor is Negative (0Volt), and need positive (+24Volt...
Topic: PLCs and related questions.
from the Forum department...
Running Stepper motor to Siemens PLC
Originally posted by Delta_V on 5 February, 2012 - 12:57 am
I want to run a stepper motor and use 4 solid state relays instead of a motor driver.
New Replies:
What's the type of SSR? I think you may have mixed up some numbers. I think, that 1,2V is the...
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