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Thermal Overload
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- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
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Tank weight varies with the time by 250 Kgs.
New Replies:
By Joma French on 7 June, 2009 - 10:18 pm -
1-How many tanks are giving problems?
2-Is it the juice storage or the un-hydride tank giving...
By anynomous on 7 June, 2009 - 8:19 am -
Hi,
We are not experts , but we work on one thumbrule use compression type loadcells for any of...
By Sam S on 4 June, 2009 - 11:15 pm -
Hi,
Temp. Specs of 0.0025%/°C will give 40kg error ONLY on a 100t tank for 15C change. It is...
By ghate vinod on 4 June, 2009 - 2:12 am -
Sam;
the Temp. Specs are 0.0025%/°C
The temp. Varies @12-15 °C in 24 Hrs.
at 25% load The...
By Sam S on 3 June, 2009 - 5:23 pm -
Hi
Your 5th observation makes me think that the "temperature effect on rated output" of...
By ghate vinod on 3 June, 2009 - 12:30 am -
Dear Sam;
Thanks for the quick reply.
1. Our tanks are under direct sun light. But as i...
You may have a number of compounding issues possible.
First, are the tanks outside where they...
By ghate vinod on 2 June, 2009 - 2:49 am -
So do u think by incresing the least count from 10 to 30 will solve the problem?
Also what is...
By Sam on 1 June, 2009 - 6:17 pm -
Hi Vinod,
If your tank capacity is more than 30000 kg (30t), it will be difficult to get 10kg...
Dear Sam;
The Indicator resolution is 10Kg The indication is in Kg's.
We have another third...
Natural gas metering theory
New Replies:
The basic flowmeters can be orifice, turbine or PD types which measure volumetric flows.
The...
which contact (NO or NC) of limit switches are used for safety operation, if their is a failure in case of wire cut.
New Replies:
I would back up what M Griffin said previously about about
1) There being no single answer...
By Gray on 5 June, 2009 - 5:10 am -
Does your Digital Input card have "NAMUR" and line monitoring facility?
Then it...
By James on 4 June, 2009 - 11:41 am -
Correct me if i'm wrong, but to answer your question, I would say normally open....
Hello,
I prefer to use the both Contact "NO and NC". When the state of both contacts...
By M Griffin on 4 June, 2009 - 12:05 am -
If it's a safety related application, then you should use safety rated switches together with a...
By Roy Matson on 3 June, 2009 - 3:17 pm -
It's normal to use the contact that opens at the end of travel i.e. the circuit is maintained by...
TTL encoder and very fast counter inputs
Meausure a small force over a great force.
New Replies:
By Curt Wuollet on 1 June, 2009 - 3:11 pm -
Yes. thats the idea. Let's simplify and say you have the end of a cable and you attach a 100N load...
By Jack on 1 June, 2009 - 8:45 am -
Hi again,
To add more details, the 1500N static force can change but I would know this force....
By Jack on 1 June, 2009 - 8:35 am -
Hi !
Thank you for your answer!
In fact I don't understand the dead weight in parallel. In...
By Curt Wuollet on 28 May, 2009 - 1:04 am -
Why not use a 100 N load cell in parallel with say, a 1500 N dead weight. You would need to...
What brand is best in thermal cameras
New Replies:
By BlueSquare on 1 June, 2009 - 11:28 am -
Have a look at www.irtenergy.com (sister company of www.irt-surveys.co.uk) they provide various...
EXPLOSION PROOF LOW RANGE DP Tx.
Problem with Load cell measuring After calibration of a newly installed process tank
New Replies:
By ghate vinod on 1 June, 2009 - 6:31 am -
Dear Sir;
Is there any outcome for this problem?
I'm much intrested in solution.
Pl. reply.
...
Thankyou.... We have arranged a visit from the Load cell service engineer. I will reply with the...
modbus manual for CCT-8 temperature monitorng equipment
from the Quality Data Acquisition department...
Temperature Acquisition through an Intrinsic Safety BarrierWhat affect will an Intrinsic Safety Barrier have on the measurement quality of a Thermocouple?
New Replies:
By Roy Matson on 30 May, 2009 - 9:41 pm -
It should have no effect if you go with a Zenner type barrier. It will add a few Ohms of series...
AC rated DPDT with DC supply
New Replies:
shouldn't be a problem but i would check the manufacture's web site or contact them to be sure. if...
About BS&W meters
New Replies:
By Lee on 29 May, 2009 - 3:20 am -
Dear Mr Rozen,
From what I have seen over the years it seems to me that BSandW has become a very...
Is it possible to use rslinx o test my ethernet/IP adapter?
New Replies:
By Patrick Lansdorf on 28 May, 2009 - 6:58 am -
Hi all,
There is a software, from Pyramid solution, called EIPscan that you can use for testing...
Hi Shammen/Shaun,
did you get any further with this? I am dealing with exactly the same questions...
By Shaun on 27 May, 2009 - 12:07 am -
Hi Shammen,
did you get any further with this? I am dealing with exactly the same questions now...
Weighing scale design. Load cells are parallely connected adc count variation
New Replies:
By Sam on 27 May, 2009 - 4:22 pm -
Hi Sathiya,
You can use a summing (junction) box if you are not already using one. But most...
By Sathiya on 26 May, 2009 - 11:17 am -
hi sam,
I am placing the 2 kg weight over the load cell. My platform size is more than 600 x...
Large Bore Teflon Electrodeless Conductivity Probe
pressure transmitter Yokogawa
New Replies:
By Roy Matson on 26 May, 2009 - 12:38 am -
A good reason to avoid diaphragm seals, too much trouble, too often damaged.
Roy...
We are talking about "Clever Transmitters" that means if by diagnostics (Hart, Brain,...
need info about the P&ID tagging convention
New Replies:
By mechcad on 22 May, 2009 - 3:52 pm -
Hay You need ISA atandards S5.1 and National CAD standards 4.0 (www.aia.org)
Regards...
An I/O question about SCADA controller devices
New Replies:
By pvb on 22 May, 2009 - 2:08 am -
The most simple solution would be to use Modbus.
With our open source HMI/SCADA project:...
differential expansion reading going to negative limit after 1hr of rolling.
New Replies:
By Phil Corso on 21 May, 2009 - 5:40 pm -
Tmr, if a master trip occurred (not just a breaker trip) then:
1) Can you produce a chart...
By tmr123 on 21 May, 2009 - 1:04 pm -
initial trip was due to tripping of service station transformer. due to the distuebance our Cooling...
which tachometer is best suited for measurement of shaft speed......
New Replies:
By Sergey Yurish on 21 May, 2009 - 3:16 pm -
For such purpose we have designed and used the following instruments:
...
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