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Control.com topic...
Applications
Topic: Information resources, documentation.
from the Forum department...
ATEX certified 24VDC fan
Posted by Daniel on 23 July, 2014 - 1:01 pm
Looking for a supplier for a small 24VDC (or 230VAC) Ex-d or Ex-e fan
Topic: Continuous process industries, DCS questions.
from the Forum department...
Simple model-based control example
Originally posted by Rupert on 20 July, 2014 - 2:25 pm
MPC example
New Replies:
Good advice. to the original question, all control is model based. > Just playing with...
Just playing with some code will not help you much. The better way is: a) To learn about the...
Topic: Application Questions and Problems
from the CBM department...
lube oil level
Originally posted by syed on 14 July, 2014 - 9:24 am
Which Lube oil tnk level to be used: Absolute or relative
New Replies:
Sam, great detail you have provide. Thank you very much for the response. This is really...
Something to take into consideration is that the pressure at the bottom of a column of liquid will...
Sam, thanks for your reply. You have given an excellent point that i cannot really find in any...
In most cases there is a reason for measuring the level of a product in a vessel and that is to...
Topic: Application Questions and Problems
from the Instrument department...
Adding Process values in Centum CS3000
Originally posted by zeshan ahmed on 30 March, 2014 - 12:56 pm
Tag not found error when adding process values to fcs from cs3000 yokogawa.
New Replies:
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...
Topic: PLCs and related questions.
from the Automation List department...
Comparing PLC and DCS
Originally posted by Anonymous on 6 May, 2004 - 6:34 pm
I am new in the field of automation. Could anybody tell me the difference between PLC and DCS other than I/O handling capacity?
New Replies:
Hey Paresh, I am doing a research project on PLC & DCS comparison. I have few doubts. Can I...
Topic: Engineering and workplace issues.
from the shielding department...
Control Wire Shielding with Clear Shrink Tubing
Originally posted by dbnaca on 17 July, 2014 - 4:27 pm
Is there a code requiring the use of clear heat shrink tubing on the shield wire for control cabling?
New Replies:
you'll have to consult your local codes, and the codes of the area where your customer is located....
Topic: Software, including programming, OS issues, etc.
from the Forum department...
Problems with ABB DigiVis/Excel Reports
Posted by TiB0 on 15 July, 2014 - 5:33 am
ABB DigiVis crashes after several hours with DataLog via Excel Reports
Topic: Continuous process industries, DCS questions.
from the INSTRUMENT department...
Reading Hot Thermocouple
Originally posted by RAJESH on 6 July, 2014 - 4:34 pm
Does a hot thermocouple in junction box give an actual reading?
New Replies:
good answer >> if the connections are made properly and proper thermocouple extension...
Just a clarification on the condition of both thermocouple leads having cold junctions. The cold...
excellent description of the problem faced and how to get proper readings...
> if the connections are made properly and proper thermocouple extension wiring > and...
if the connections are made properly and proper thermocouple extension wiring and terminal blocks...
Topic: Application Questions and Problems
from the Forum department...
Installing muffin fans
Originally posted by Overamoed on 11 July, 2014 - 11:27 am
Best way to install muffin fans.
New Replies:
My view is that any fan that communicates with the world outside the cabinet should be filtered and...
Originally posted by tech77 on 16 May, 2011 - 6:17 am
Magnetic pickup - amplitude or frequency
New Replies:
Ramana, There is a lot of good and applicable information in the previous posts to this thread....
Dear friend, Please need a help about magnetic pickup unit sensor. Am confused about the sensor...
Topic: Engineering and workplace issues.
from the serious department...
TXP control system administration
Originally posted by mhmd on 16 May, 2014 - 5:44 pm
is there a way to take an image of ES, PU, SU, OT, without using SCSI tape reader
New Replies:
thanks a lot, (we have Celsius one), I'll try...
Yes. As long as you have a CD drive installed in the computer you can use a freeware program called...
Topic: Communications systems and equipment.
from the for PC DNP 3.0 serial simulations department...
DNP 3.0 serial simulator?
Originally posted by jose luis on 13 July, 2001 - 7:22 pm
Do you know if there is any simulator software for the DNP 3.0 protocol over a serial RS232 connection?

New Replies:
>Hi JOSE, We do have protocol analyser and simulator "RPA" which can simulate...
Topic: Software, including programming, OS issues, etc.
from the Free and open source department...
Free BACnet explorer and webserver
Posted by Frozenlock on 1 July, 2014 - 3:01 pm
I developed an open source BACnet software... I'm spreading the love ;-)
Topic: Application Questions and Problems
from the Electronics department...
difference between a pump and a compressor
Originally posted by Anonymous on 21 June, 2006 - 12:30 am
pump vs. compressor
New Replies:
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...
Posted by Matt Helm on 30 June, 2014 - 9:11 am
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.
Topic: Motion control, servos, steppers, etc.
from the Forum department...
Avoid motor overheating
Originally posted by damien herold on 26 August, 2013 - 11:23 pm
question on induction motor and overheating
New Replies:
>I would bet on it, it also won't have >much for torque if it will run that slow >at...
Topic: Application Questions and Problems
from the Instrument engineering department...
Gas detection on Flowlines - Pin Hole leaks
Posted by Raphael on 25 June, 2014 - 7:05 am
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.
Topic: Application Questions and Problems
from the Forum department...
I/O's Suppported by ABB RTU 560
Posted by Thira on 25 June, 2014 - 2:02 am
Maximum number of I/O's supported by ABB RTU 560
Topic: Human-Machine Interface and SCADA.
from the URGENT SUPPORT REQUIRED department...
Wonderware Communication Issue
Originally posted by OK on 17 June, 2014 - 3:37 pm
Wonderware server application slows down on pulling out LAN wire or disable any of the four networks we use
New Replies:
For communicating with modbus over Ethernet, the DASMBTCP service works quite well with Wonderware....
Topic: Software, including programming, OS issues, etc.
from the I&E department...
IEC/ ISA Standard
Posted by srh on 12 June, 2014 - 3:07 am
Need info on Standards directed to usage of delay timers and sensing elements
Originally posted by Ben Kinsella on 13 June, 2008 - 7:06 pm
Is it possible to plug and play?
New Replies:
Modbus does not support auto discovery...
Topic: Application Questions and Problems
from the Need shaft turner with Modbus! department...
Simple VFD
Originally posted by OEM Engineer on 6 April, 2011 - 10:22 am
Looking for a very basic shaftturner with Modbus communications
New Replies:
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...
Topic: Power generation equipment control.
from the me department...
Why use SRV?
Originally posted by iii on 1 June, 2014 - 8:59 pm
There is a SRV where we generally found a very little difference between inlet & outlet of this valve.
New Replies:
DAMENE AMAR, Lots of simple questions.... Was the same metering valve used on all three...
Dear CSA, Yes it was time. The reason why I ask you about the difference using a SRV/GCV ...
Topic: Power generation equipment control.
from the Forum department...
Power supply impedance
Originally posted by Sam on 9 June, 2014 - 5:21 am
How do I find the impedance of a 220VAC power supply
New Replies:
I would say only very generally and not really. In addition to the normal calculations which assume...
Topic: Software, including programming, OS issues, etc.
from the ENG department...
COM PORT IN LINUX
Originally posted by SARAVANAN on 23 January, 2011 - 11:21 am
linux base com port communication
New Replies:
A bit of progress has been made in the past year, as this new web page shows: ...
Topic: Local and wide area networking in factory automation.
from the AKH department...
4-20 ma HART Transmitter
Originally posted by gct on 7 May, 2014 - 4:10 pm
HART transmitter showing only 4 ma or 3.9 ma but it should show 12 ma as per process variable indicated in HART communicator.
New Replies:
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...
Topic: Continuous process industries, DCS questions.
from the Nuts department...
Cable tray separation
Originally posted by jasoin carroll on 4 June, 2014 - 1:11 pm
Is there a standard that says the highest voltage cable should go in the top or the bottom tray?
New Replies:
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...
Topic: Continuous process industries, DCS questions.
from the INSTRUMENTATION department...
Differential Pressure Transmitter Calibration
Originally posted by RAMESH on 31 May, 2014 - 5:43 am
Changing the range of Differential Pressure Transmitter Calibration.
New Replies:
Tables A-1 and A-2 on pages 118-119 of the 3051 manual shows the LRL and URL range 'limits' (not...
Topic: Software, including programming, OS issues, etc.
from the Forum department...
Instrument Tech Training Topics
Originally posted by GBrown on 29 May, 2014 - 4:50 pm
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.
New Replies:
Providing a list of suggested topics to your intended audience is a great technique to spur a...
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