from the Forum department...ATEX certified 24VDC fan
Looking for a supplier for a small 24VDC (or 230VAC) Ex-d or Ex-e fan
from the Forum department...Simple model-based control example
By d on 23 July, 2014 - 7:55 am -
Good advice. to the original question, all control is model based. > Just playing with...
By Hans H. Eder on 22 July, 2014 - 11:38 pm -
Just playing with some code will not help you much. The better way is: a) To learn about the...
from the CBM department...lube oil level
Which Lube oil tnk level to be used: Absolute or relative
By syed on 22 July, 2014 - 10:07 am -
Sam, great detail you have provide. Thank you very much for the response. This is really...
By Sam on 21 July, 2014 - 6:50 am -
Something to take into consideration is that the pressure at the bottom of a column of liquid will...
By syed on 18 July, 2014 - 7:10 am -
Sam, thanks for your reply. You have given an excellent point that i cannot really find in any...
By Sam on 15 July, 2014 - 8:50 am -
In most cases there is a reason for measuring the level of a product in a vessel and that is to...
from the Instrument department...Adding Process values in Centum CS3000
Tag not found error when adding process values to fcs from cs3000 yokogawa.
By zeshan ahmed on 20 July, 2014 - 7:21 am -
sir, kindly explain me about station to station data link transfer..... plzzzzzzzzz sir ...
i think u have to use station to station data link transfer for tags or u can use global switches...
from the Automation List department...Comparing PLC and DCS
I am new in the field of automation. Could anybody tell me the difference between PLC and DCS other than I/O handling capacity?
By Rani on 19 July, 2014 - 4:00 am -
Hey Paresh, I am doing a research project on PLC & DCS comparison. I have few doubts. Can I...
from the shielding department...Control Wire Shielding with Clear Shrink Tubing
Is there a code requiring the use of clear heat shrink tubing on the shield wire for control cabling?
By d on 18 July, 2014 - 5:50 am -
you'll have to consult your local codes, and the codes of the area where your customer is located....
from the Forum department...Problems with ABB DigiVis/Excel Reports
ABB DigiVis crashes after several hours with DataLog via Excel Reports
from the INSTRUMENT department...Reading Hot Thermocouple
Does a hot thermocouple in junction box give an actual reading?
good answer >> if the connections are made properly and proper thermocouple extension...
By otised on 7 July, 2014 - 10:50 pm -
Just a clarification on the condition of both thermocouple leads having cold junctions. The cold...
By d on 7 July, 2014 - 9:50 pm -
excellent description of the problem faced and how to get proper readings...
> if the connections are made properly and proper thermocouple extension wiring > and...
By d on 7 July, 2014 - 8:49 am -
if the connections are made properly and proper thermocouple extension wiring and terminal blocks...
from the Forum department...Installing muffin fans
Best way to install muffin fans.
By Curt Wuollet on 12 July, 2014 - 12:29 am -
My view is that any fan that communicates with the world outside the cabinet should be filtered and...
from the r&d department...Magnetic pickup - amplitude or frequency
Magnetic pickup - amplitude or frequency
Ramana, There is a lot of good and applicable information in the previous posts to this thread....
By Ramana on 9 July, 2014 - 7:46 am -
Dear friend, Please need a help about magnetic pickup unit sensor. Am confused about the sensor...
from the serious department...TXP control system administration
is there a way to take an image of ES, PU, SU, OT, without using SCSI tape reader
By Reeny on 7 July, 2014 - 1:38 am -
thanks a lot, (we have Celsius one), I'll try...
By MrL on 3 July, 2014 - 2:44 pm -
Yes. As long as you have a CD drive installed in the computer you can use a freeware program called...
from the for PC DNP 3.0 serial simulations department...DNP 3.0 serial simulator?
Do you know if there is any simulator software for the DNP 3.0 protocol over a serial RS232 connection?
By Deepti Gupta on 1 July, 2014 - 6:25 pm -
>Hi JOSE, We do have protocol analyser and simulator "RPA" which can simulate...
from the Free and open source department...Free BACnet explorer and webserver
I developed an open source BACnet software... I'm spreading the love ;-)
from the Electronics department...difference between a pump and a compressor
pump vs. compressor
By Sasidharan K G on 1 July, 2014 - 7:32 am -
A pump is a device used for pumping or moving a volume of fluid from its inlet port to its outlet...
from the Allen Bradly, Logix 5000 department..."Cushion arm" moves to soon, intermittently. Cause unknown and damaging product.
I have a receiving cushion that intermittently enters its down motion too early causing damage to the product. It is so intermittent that it's impossible to nail down the cause.
from the Forum department...Avoid motor overheating
question on induction motor and overheating
By damien herold on 26 June, 2014 - 1:21 pm -
>I would bet on it, it also won't have >much for torque if it will run that slow >at...
from the Instrument engineering department...Gas detection on Flowlines - Pin Hole leaks
During the meeting late last week, it was asked if there is a possibility to site some gas detectors (or something) near the more critical of the welds to allow pin hole gas leaks detection by something other than the Operators' nose.
from the Forum department...I/O's Suppported by ABB RTU 560
Maximum number of I/O's supported by ABB RTU 560
from the URGENT SUPPORT REQUIRED department...Wonderware Communication Issue
Wonderware server application slows down on pulling out LAN wire or disable any of the four networks we use
By Jay on 18 June, 2014 - 6:37 pm -
For communicating with modbus over Ethernet, the DASMBTCP service works quite well with Wonderware....
from the I&E department...IEC/ ISA Standard
Need info on Standards directed to usage of delay timers and sensing elements
from the Automation List department...MODBUS RTU device discovery and automatic address assignment
Is it possible to plug and play?
By vin on 12 June, 2014 - 2:50 am -
Modbus does not support auto discovery...
from the Need shaft turner with Modbus! department...Simple VFD
Looking for a very basic shaftturner with Modbus communications
By Siemens Drives guy on 11 June, 2014 - 9:13 am -
Just wanted to clear up the modbus connectivity question for siemens drives. In general all of our...
from the me department...Why use SRV?
There is a SRV where we generally found a very little difference between inlet & outlet of this valve.
DAMENE AMAR, Lots of simple questions.... Was the same metering valve used on all three...
By DAMENE on 10 June, 2014 - 11:13 am -
Dear CSA, Yes it was time. The reason why I ask you about the difference using a SRV/GCV ...
from the Forum department...Power supply impedance
How do I find the impedance of a 220VAC power supply
By Curt Wuollet on 9 June, 2014 - 7:14 pm -
I would say only very generally and not really. In addition to the normal calculations which assume...
from the ENG department...COM PORT IN LINUX
linux base com port communication
A bit of progress has been made in the past year, as this new web page shows: ...
from the AKH department...4-20 ma HART Transmitter
HART transmitter showing only 4 ma or 3.9 ma but it should show 12 ma as per process variable indicated in HART communicator.
By Heinrich Baumann on 9 June, 2014 - 3:30 pm -
> Is 4-20 ma analog card of transmitter damaged because hart communicator is > showing only...
from the Nuts department...Cable tray separation
Is there a standard that says the highest voltage cable should go in the top or the bottom tray?
Jasoin... The ANSI/IEEE-Std supports your contention regarding Vertical Segregation of Data...
Jasoin... I suggest you procure: ANSI/IEEE Std 422-1986 "Guide for the Design and...
from the INSTRUMENTATION department...Differential Pressure Transmitter Calibration
Changing the range of Differential Pressure Transmitter Calibration.
Tables A-1 and A-2 on pages 118-119 of the 3051 manual shows the LRL and URL range 'limits' (not...
from the Forum department...Instrument Tech Training Topics
My boss has asked me to create a training program from the instrument techs that is one 3 hour course a month for 2 years.
Providing a list of suggested topics to your intended audience is a great technique to spur a...
Subtlety is the art of saying what you think and getting out of the way
before it is understood.