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Control.com topic...
Sensors
Topic: Sensor technologies.
from the Forum department...
Flow Measurement Using Load Cells
Posted by Juan Pardo on 24 October, 2014 - 5:20 pm
Measuring the flow coming out of a vessel using only a load cell to control a valve.
Originally posted by Rich on 21 October, 2014 - 3:28 pm
Looking for feedback on flow meters and flow computers from Flow Technology Inc
New Replies:
Also...while looking at outputs, if intrinsically safe operation is an issue, you should look for...
If it operates as just a flow meter and totalizer, presumably it operates unattended. Someone just...
Topic: Sensor technologies.
from the Forum department...
Interface Level Measurement
Originally posted by Bong on 14 October, 2014 - 9:16 pm
Measuring interface level for drum boots level
New Replies:
If you need help, supply more information on what you are working on like the details of the...
It is, of course, possible that the level isn¹t moving. Interface level is a seriously hard...
Topic: PLCs and related questions.
from the Automation List department...
Connecting an Analog I/O Module to a Delta PLC
Originally posted by Cauê on 15 October, 2014 - 4:10 pm
Having problems connecting an analog I/O module to my Delta PLC
New Replies:
> Should be the +I and Comm.... Please verify the voltage across this. > it should be 24V....
Should be the +I and Comm.... Please verify the voltage across this. it should be 24V. If yes...
The asterisk *2 on the DVP06XA-S wiring diagram means 'note 2', which says,"If input signal is...
The feedback from the transducer is current, 4-20mA in 24Vdc but in sink type. I already tested it...
The SMC ITV 2050-043BL4 is an I/P transducer. The digit '4' in the part number is for the...
So Let me get this straight. You have tested the valve with a 24 V signal varying the current...
Topic: Sensor technologies.
from the pressure setting department...
Calibration Pressure
Posted by tornatech on 18 October, 2014 - 2:36 am
i need to make setting to pressure in jockey pump controller
Topic: PLCs and related questions.
from the Forum department...
Contactless Card Reader and PLC
Originally posted by Amer on 26 September, 2014 - 3:30 am
How to connect contactless card reader to PLC?
New Replies:
Please describe, why are you trying to connect a card reader to a PLC....
Originally posted by Joe on 29 June, 2014 - 7:10 am
Differential pressure as tank level incorrect reading
New Replies:
Hi Joe, I'm struggling with choosing the right CO2 sensor for my system. Could you tell me what...
Topic: Computers in manufacturing; also hardware discussion.
from the Forum department...
Line Monitoring
Posted by DT99 on 12 October, 2014 - 4:55 pm
Looking for some basic information about line monitoring
Originally posted by igor on 24 March, 2012 - 3:52 pm
differential pressure transmitter (orifice plate) measuring flow with the square root function enabled
New Replies:
I like what David Todd said about calibrating the transmitter in linear mode (techs are very...
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:
Formulas and constants are for use with Engineering Units for DCS presentation to the Operators. ...
Topic: Engineering and workplace issues.
from the Forum department...
Measuring Principle of Field Instruments
Originally posted by ahamednivas on 10 October, 2014 - 5:58 am
Regarding the selection of Instruments and its measuring principle
New Replies:
> I want to understand that how measuring principle of an instrument would be > decided like...
Tony Kuphaldt's massive tome on instrumentation, "Lessons In Industrial Instrumentation,...
Topic: Application Questions and Problems
from the Right way to do this? department...
Pump Running Indication on Control Circuit
Originally posted by Stumped on 10 October, 2014 - 4:19 pm
How can I properly wire my pump panel to show that when the pump is actually running I get an indicator on my PLC/HMI.
New Replies:
This can be achieved in multiple ways. I guess you are already reading the Ampere load to the...
Topic: Power generation equipment control.
from the Forum department...
Tubing and Piping
Originally posted by Gary on 9 October, 2014 - 2:28 pm
Any differences about the size standard for piping and Tubing?
New Replies:
Gary, I used my preferred Internet search engine with the following search term: "what...
Topic: Sensor technologies.
from the Instrumentation Design department...
Using a Standpipe with DP Level Transmitter
Originally posted by TANWEER on 3 September, 2014 - 8:57 pm
Can we use a standpipe with a DP type level transmitter?
New Replies:
Hey there, saw some info about this kind of thing on this blog, maybe it has the answer you're...
Topic: Engineering and workplace issues.
from the Automation List department...
Why 4-20 ma is used in Analog Signals?
Originally posted by sreeraj on 3 June, 2007 - 12:25 pm
Why 4-20 ma is used in Analog Signals?
New Replies:
Hey there, found some seriously useful info about this on a blog here ...
Topic: Sensor technologies.
from the Instrumentation department...
Load cell output mV linearity
Originally posted by Pradeep on 28 September, 2014 - 5:16 am
Whether load cell output in mV will linearly increment according to weight added to it?
New Replies:
In case of zero load, the load cell is showing some mV output with supply voltage - whether this...
Ideally, yes, but . . . . A load cell is ratiometric, that is, its output is proportional to the...
Originally posted by Sakthi Venkatesh on 27 September, 2014 - 5:00 am
After calibrating, why we are reversing the range for Level Transmitter while measuring Level?
New Replies:
or you may do one more thing, consider the range from -2500 to 0. that is what we usually do in our...
Topic: Sensor technologies.
from the Maintenance department...
Speed sensor problem
Originally posted by Jim on 25 September, 2009 - 7:30 am
Problem found in measures with passive magnetic sensors in a over-speed trip system.
New Replies:
Hello Bryan. Thanks a lot for the link. The site is very helpful and informative. Cheers....
> Have you found out the cause(s) to this problem Jim? We did identify what we feel is the...
Have you found out the cause(s) to this problem Jim?...
Topic: Engineering and workplace issues.
from the Automation Safety department...
AB or Siemens Equivalent Safety Product as Sick Flexi-Loop
Posted by Weida on 23 September, 2014 - 11:49 am
Is there any Allen Bradley or Siemens safety product that has similar modular capbilities as Sick's Flexi-Loop system?
Topic: Sensor technologies.
from the control department...
4 wire vs. 3 wire RTD
Originally posted by KAKIL on 3 October, 2007 - 12:00 am
What is the difference between 4 wire RTD and 3 wire RTD?
New Replies:
3 wire is more than adequate at that distance. your vendor can better inform you as it depends...
For a 10m cable, which is the best options? 2 wire/3 Wire/4 wire RTD. I am going to test the...
Topic: Sensor technologies.
from the seeking product recommendations department...
Modbus TCP temperature monitor
Originally posted by mooseo on 28 February, 2011 - 2:09 am
I'm looking for a product recommendation
New Replies:
See there... http://pcsensor.com/index.php?_a=product&product_id=109 Moderator's...
I am looking for much the same thing, a simple temp and humidity for my server room. I just want...
Topic: Sensor technologies.
from the instrument department...
Gas Chromo readings
Originally posted by duks on 10 September, 2014 - 3:17 pm
Retention time of gas chromo
New Replies:
To the Moderator, In regards to the statement: "Moderator's note: I think...
Topic: Engineering and workplace issues.
from the Calibration department...
Rosemount 3051 Calibration
Originally posted by josh0206 on 22 June, 2014 - 3:39 pm
Rosemount 3051 Calibration
New Replies:
Yes. 12-117 in wc....
So if I go through the zero suppression that would be like me rearranging it from 0-105" H20...
Topic: Sensor technologies.
from the Instrumentation department...
ABB Flowmeter -Flow Data Is Less
Originally posted by sandeep on 11 September, 2014 - 6:27 am
flow meter data is less compared to other flowmeters
New Replies:
what are the units for the 20 mA value? how long does it take for the 1 meter level change?...
Hello Walt 4-20mA output from the flowmeter is taken to SCADA (Labview) through PLC (Schneider) ...
>> "flow meter data is less compared to other flowmeters" >other flowmeters? ...
> 1) Is this a new installation or a new problem with an existing, previously satisfactory...
Couple questions for you. Which output are you using, or are you looking at a totalizer on the...
Posted by farid on 11 September, 2014 - 10:13 pm
Vendor converts input signal before 1900/65A and convert back to same signal at the output
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