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Automatically controlled water distribution from a central control room
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By Namatimangan08 on 30 January, 2012 - 12:25 am -
Let me try
For each valve what you need to know are, the current valve position, minimum and...
By o\ on 28 January, 2012 - 3:02 pm -
Take a piece of string.
Measure it.
There's your answer.
...
from the Things I shouldn't do alone department...
Protocol extensions for multiple Modbus/RTU MastersLooking for any previously defined extensions to Modbus/RTU which permit multiple bus masters
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By Brian Cervi on 28 January, 2012 - 1:36 pm -
Search Unitelway protocol (used by Telemecanique) and look at the spec. It is typical Master Slave...
what is the criteria of having a lube oil system in a particular motor/pump?
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I think mostly look for capacity rather than voltage level
Take care
G.Rajesh...
how to calculate kvar of any given load for unity power factor?
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By mahesh on 28 January, 2012 - 8:22 am -
how to calculate kvar of any given load for unity power factor? & method of calculation...
Window batch file
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By Faisal on 28 January, 2012 - 4:02 am -
SET BEFOREDATE=%date:~4,2%-%date:~7,2%-%date:~10,4%
date 01-03-07
START /WAIT...
By RussB on 27 January, 2012 - 9:11 am -
Just purchase the rights to run this program and you will not need to cheat it every time. :)
...
Exporting a Provox database (Envox/VMS) into an Excel spreadsheet.
does the intake side of the compressor need to be able to take in clean air
JimPinto.com eNews - Keeping an eye on technology futures. Business commentary - no hidden agendas.
Localisation of Gas and Dust Ex-zones
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To determine the zones, the first step is to draw up a schedule of all the materials used on the...
By Samir Gasimov on 25 January, 2012 - 1:13 am -
Dear Bruce Durdle.
Thank you very much.
If I am an Instrument engineer and I must choose the...
That will depend very much on your local regulatory system. You need to check the legal...
New issue of IFSA Newsletter - January 2012
why gas turbines particularly in LNG application are called 5D frame, 6 frame , 7 frame etc
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By Larry Nowakowski on 24 January, 2012 - 12:34 pm -
I found this question and comments while looking for some other info about a GE Frame-6000B gas...
How can we measure Interface level measurement?
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By RVSARADHI KOC on 24 January, 2012 - 5:23 am -
> What is the best procedure of commissioning the LT chamber?
please try to allow and open...
Beta Testers wanted for Kepware Enron Modbus with EFM and Omni Flow Computers with EFM (Electronic Flow Measurement).
charger output setting on ups systems
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By Vincent Lorusso on 21 January, 2012 - 5:12 pm -
If the system is bootleg using automotive lead acid batteries you may use 135-155v. The lower end...
Transformer Impedance
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Aj... No! Losses do not decrease as frequency decreases. Instead, they increase!
Have you...
By Curt Wuollet on 21 January, 2012 - 11:42 am -
Only if you have huge transformer with enough windings and iron to
present a reasonably high open...
Transformer response to DC pulse.
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By pvbrowser on 21 January, 2012 - 2:29 am -
Assumption:
The transformer is a linear system.
No saturation.
A non sinusoidal input can be...
Digital Image Processing applications in Mechatronic / Industrial Automation
Explain the Working principle for Displacer type and Float type level transmitters.
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Vital and basic: The Float can tell you the level of the liquid in the Tank.
A Displacment...
Nikhil,
I'm not nit picking but we don't know for sure if the transmitter is in a...
As said, Floats have a density less than that of the fluid in which they are measuring level. Hence...
Quick Answer
Floats Float, Displacers Don't
The float will follow the level so you should be...
Found a toy...
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By Tim Anderson on 16 January, 2012 - 11:24 am -
Thanks for the reply.
I just listed it. The reason I didn't want to use Ebay was because of the...
In my home shop I have a Delta 31-695 sander which I received second hand. It has a 120VAC capacitor start motor...
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By David Breen on 15 January, 2012 - 11:31 am -
I have one of these units - same problem.
These units do not use a centrifugal switch like most...
process flow controller to act as backup controller to DCS/PLC based controller
Honeywell IPC623-60 software Manual
Why are transformer ratings always given in VA and not in Watt?
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By pradeep chokka on 7 January, 2012 - 5:39 am -
transformers are rated in VA because they undergo only two losses, 1.iron loss and 2. copper loss....
from the Protocol support in DIASYS-UP/V department...
DIASYS-UP/V DCS from Mitsubishi Heavy IndustriesEthernet protocol support on DIASYS-UP/V
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By Terry on 6 January, 2012 - 8:43 am -
Did you try to contact MHI?
Do you have any control documents for UP/V and calibration...
By haki on 4 January, 2012 - 9:33 am -
I'm looking for a vendor for a Mitsubishi DIASYS-UP/V DCS. Does anyone know where can we buy 2?...
Ultrasonic and magnetic Flowmeters in Landscape Irrigation application
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By Santanu on 5 January, 2012 - 12:22 am -
Hi,
I was watching the comparison. The electromagnetic flow meter requires high conductive...
What is Oxidation of relay contacts and what can be done to prevent it ??
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By Afarati on 4 January, 2012 - 3:39 pm -
Hello,
We are using magnetic proximity switches to sense actuators close or open.
Switches...
How does an anubar instrument work?
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By ali on 4 January, 2012 - 12:28 pm -
detail of air flow measurement in the 18inch duct line our maximum air flow of blower is...
I'm using labview libraries to communicate with a Xantrex communications gateway; however, I can't seem to get a consistent result.
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By Sivapong P. on 3 January, 2012 - 6:08 am -
Dear guy,
I have tried this before. And got the same problem as yours. The problem come from...
Need a free Modbus OPC server
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By Robert Stanton (ICONICS) on 30 December, 2011 - 9:59 am -
Within a Modbus device, Coils (0xxxx or 00001-09999, bit, read/write), Inputs (1xxxx or...
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