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Control.com topic...
Applications
from the Forum department...
Difference B/W PLC and Motion controllers
Topic: PLCs and related questions.
Originally posted by Denson on 21 September, 2009 - 12:05 am
What are the difference between PLC and motion controllers
New Replies:
This is like opening a can of worms. My opinion is those who were historically Motion Control...
> What all are the main difference between PLC and motion controllers? < Well, the line is...
from the Forum department...
WFI Temperature Control
Topic: Application Questions and Problems
Originally posted by Bill Dolan on 18 September, 2009 - 9:34 pm
WFI Temp Control with Free-Cooling and Chilled Water
New Replies:
I am not sure if I understand. I did a chilled vs cool city water dual mixing valve application...
from the any suggestions on this topic department...
Beta Ratio for orifice meter
Topic: Application Questions and Problems
Originally posted by sarathy on 18 September, 2009 - 6:51 am
clarifications regarding the determination of beta value for orifice meter
New Replies:
Beta selection depends on many factors and is to be decided carefully. I will help you in your...
Sarthi, The Beta Ratio is needs to be calculated for Only Orfice Meter Beta Ratio = Orifice...
from the Forum department...
selection of flow meter
Topic: Sensor technologies.
Originally posted by SR on 18 September, 2009 - 9:05 am
Proper selection of a online flow sensor for measurement of air flow in 3" pipe
New Replies:
you can go for orifice type primary flow element. we can design orifice for you. if you want, we...
from the Power & Utilities department...
GT Trip on IGV control trouble
Topic: Power generation equipment control.
Originally posted by Samarendra Das on 17 September, 2009 - 12:46 am
GT Trip on IGV control trouble
New Replies:
please check diagnostic alarm regarding voting miss match (TCQA /TBCA CARD ERROR), and IGV...
from the Forum department...
communicate from modsoft to xp
Topic: Application Questions and Problems
Originally posted by ronen on 17 September, 2009 - 4:07 am
xp with modsoft 2.61
New Replies:
ok thanks for direct IO i will try it. my computer turn on in dos mode. and its very bad way to...
Hello- http://www.direct-io.com/ This software will allow Modsoft to directly access your...
Hi, I think that Modsoft 2.61 is not compatible with XP (It seems that the software can not...
Topic: Engineering and workplace issues.
Originally posted by Mik on 16 September, 2009 - 6:34 am
Turbo-generator response to changes in the power grid frequency.
New Replies:
Dear CSA, like I said, I worked for the power plant a long time ago. And even then, my main...
I was explaining classic droop speed control which as been around since the beginning of governors;...
Dear CSA, thank you for your effort to expain this matter. Actually, my questions came after...
There has been a LOT written on droop speed control on control.com. Use the fine 'Search' feature...
from the Forum department...
Hart Muxes in "digital only mode"
Topic: Continuous process industries, DCS questions.
Originally posted by Marks on 17 September, 2009 - 6:54 pm
Grass root project looking a cheap way of bringing groups of temperature signals that are in close proximity into a DCS
New Replies:
> groups of temperature signals < I would think that you mean thermocouple direct because...
from the Component Integration department...
Modbus Master/Slave to Hart Slave to Hart Master
Topic: Communications systems and equipment.
Originally posted by Steve Farmer on 18 September, 2009 - 9:36 am
I am trying to integrate a Modbus RTU device (Emerson ROC809) into a HART communications network (digital HART FSK over 4-20mA loop) with a Siemens S7-400 with PDM.
New Replies:
> I understand that PDM needs EDD files so that is not the issue. < I suspect it is an...
from the Forum department...
Configure a digital board for Unity
Topic: Communications systems and equipment.
Originally posted by Hervé on 17 September, 2009 - 5:58 am
How to configure a digital board for Unity.
New Replies:
Yes, Your are right, I did not validate my configuration. Now is ok. the configuration work. %IW...
the message from unity pro "you board isn't ready" is displayed when you want to download...
from the electrical engineering department...
about simulation of nonlinear systems
Topic: Continuous process industries, DCS questions.
Posted by srinivas on 18 September, 2009 - 12:04 am
Tuning the parameters of fuzzy pid controller for set point tracking of nonlinear systems and want to optimize the sum of the mean square error
Topic: Continuous process industries, DCS questions.
Originally posted by sambath on 1 September, 2009 - 8:07 am
We are considering using OSISoft's PI system to replace an existing SCADA and business applications related to Gas Distribution network operation and monitoring. Could you please suggest how flexible / easy it is to customise PI system for such a purpose.
New Replies:
Hi Sambath, Do you need to control you gas distribution network operation? Or is it just...
Topic: PLCs and related questions.
Originally posted by Mohamed on 17 September, 2009 - 8:30 am
Do you have any idea about Control logix series PLCs of AB?
New Replies:
Not sure why you would use anything other than RSLogix5000 for a ControlLogix, didn't believe there...
from the Embedded System department...
NIMH 9V Battery charger
Topic: Application Questions and Problems
Originally posted by Saravanan Kannan on 17 September, 2009 - 9:55 am
NIMH 9V Battery charger
New Replies:
you can find cheaper wall cube chargers, but delta peak final charge detection is more efficient...
from the Instrument department...
Generic pressure transmitter in SIL determination
Topic: Engineering and workplace issues.
Originally posted by Ricardo Almarza on 14 August, 2009 - 2:59 pm
Doubts about "generic" instrument
New Replies:
Interesting these SIL loop calculations. How to think you are safe by multiplying a string of...
from the Control Systems department...
GE Mark-II control upgrading
Topic: Application Questions and Problems
Originally posted by IC_ENGR on 11 June, 2008 - 1:26 am
GE Mark-II control system upgrading with latest and reliable control system.
New Replies:
yes, if you need original MARK II control board or complete set, you are advised to contact these...
I have done four mark II to third party control system retrofits. The replacement system was a...
from the process memory loss department...
Triconex internal variable retentiveness
Topic: PLCs and related questions.
Originally posted by JR on 1 December, 2008 - 5:32 pm
It seems that Triconex TMR PLCs will lose the values of internal variables not only if power is cycled, but also if the CPU is stopped.
New Replies:
The Tricon system chassis that holds the 3 MPU modules has battery backup to hold the program if...
from the control department...
MarkVI Simplex project software
Topic: Application Questions and Problems
Originally posted by power plant on 18 January, 2008 - 11:26 pm
looking for any MarkVI Simplex project software for gas turbine GE5001 power generation that work on dual fuel light & heavy fuel
New Replies:
Mohammed, from your post I am assuming you are at one of the plants in Iraq. Moving hardware...
from the Forum department...
GE Frame 5 Gas Turbine start-up issues
Topic: Engineering and workplace issues.
Originally posted by Flamesy on 12 September, 2009 - 4:40 am
Need professional people to post their experiences in any problems they faced in ge frame 5 gas turbine start-up or operation.
New Replies:
Well we have a siginifcant investment in Mark VI on our Frame 7 Combined Cycle. We would like to...
from the Anybody got an example? department...
Touchstone Support in Labview
Topic: Programming languages.
Posted by sbus on 16 September, 2009 - 9:53 am
Anybody have examples of reading/writing touchstone files in LabView?
Topic: Communications systems and equipment.
Originally posted by Daniel Madumelane on 16 September, 2009 - 5:07 am
How from a VBScript can I talk to an AB PLC5 using a Wonderware DAS Server(DASABTCP)?
New Replies:
You can write your own OPC client from scratch in VB. I have done this, but for the cost of...
Hi - there is an OPC client component tool called OPC Data.NET ...
from the Forum department...
From sensors to PC via XML
Topic: Computers in manufacturing; also hardware discussion.
Originally posted by CodeMaster2008 on 16 September, 2009 - 3:58 am
Communication between sensors and PC via XML.
New Replies:
Beckhoff Automation has PLC functions to write PLC variables to an XML file. ...
No offense, but why can't you use a Ethernet <-> RS422 converter (I'm assuming you don't have...
from the Forum department...
Alarm Notification Software
Topic: Software, including programming, OS issues, etc.
Originally posted by Mike on 16 September, 2009 - 6:46 am
Interested in anyone's experience with Alarm Notification Software
New Replies:
Using Matrikon Process Guard Together with Operational Insight, it was the only tool (a few years...
from the project department...
ABB ACS800 / cdp312r control panel
Topic: Motion control, servos, steppers, etc.
Originally posted by otisabi on 10 September, 2009 - 6:12 am
ABB CDP312r control panel
New Replies:
Yes, you can upload parameters to the panel and then download to a different drive. The drive will...
from the Forum department...
KingFisher To WW I/O server
Topic: Human-Machine Interface and SCADA.
Originally posted by Herman on 15 September, 2009 - 7:43 pm
Connecting KingFisher to Wonderware
New Replies:
Hi Herman, I am using MBENET v 8.1 to communicate between TSX Premium PLC and Wonderware InTouch...
from the Power & Utilities department...
Gas Turbine trip during Fuel Change Over
Topic: Continuous process industries, DCS questions.
Posted by Samarendra Das on 16 September, 2009 - 6:47 am
Preventing Gas Turbine trip during Fuel Change Over
from the EL-KUREIMAT POWER PLANT department...
Increase in oil temperature in bypass system
Topic: Power generation equipment control.
Originally posted by GSA on 9 September, 2009 - 5:10 pm
Temperature of the hydraulic oil increased from 54 C TO 67 C for bypass system
New Replies:
What if the problem is in reverse. The damaged hydraulic pump is causing higher hydraulic fluid...
from the Forum department...
Too expensive to buy PLC
Topic: PLCs and related questions.
Originally posted by fathur on 2 September, 2009 - 9:28 am
Need an inexpensive PLC
New Replies:
Below are the two highest quality, yet cost effective solutions to hands-on self taught PLC...
 
 
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