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The threads that wouldn't die...
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
Fortune
What is a magician but a practising theorist?
-- Obi-Wan Kenobi
-- Obi-Wan Kenobi
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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...
By James Ingraham on 21 September, 2009 - 10:37 am -
> What all are the main difference between PLC and motion controllers? <
Well, the line is...
WFI Temp Control with Free-Cooling and Chilled Water
New Replies:
By Dick Compton on 21 September, 2009 - 10:32 am -
I am not sure if I understand.
I did a chilled vs cool city water dual mixing valve application...
clarifications regarding the determination of beta value for orifice meter
New Replies:
By D.N.Sharma on 21 September, 2009 - 7:43 am -
Beta selection depends on many factors and is to be decided carefully. I will help you in your...
By Bagan on 21 September, 2009 - 1:22 am -
Sarthi,
The Beta Ratio is needs to be calculated for Only Orfice Meter
Beta Ratio = Orifice...
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...
GT Trip on IGV control trouble
New Replies:
By VASANTH on 20 September, 2009 - 12:35 am -
please check diagnostic alarm regarding voting miss match (TCQA /TBCA CARD ERROR), and IGV...
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...
By Shane on 17 September, 2009 - 4:09 pm -
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...
Turbo-generator response to changes in the power grid frequency.
New Replies:
By Mik on 19 September, 2009 - 6:22 am -
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;...
By Mik on 18 September, 2009 - 1:17 am -
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...
Grass root project looking a cheap way of bringing groups of temperature signals that are in close proximity into a DCS
New Replies:
By David on 18 September, 2009 - 8:29 pm -
> groups of temperature signals <
I would think that you mean thermocouple direct because...
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:
By Dan W on 18 September, 2009 - 8:15 pm -
> I understand that PDM needs EDD files so that is not the issue. <
I suspect it is an...
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...
By Schneider Italy on 17 September, 2009 - 4:33 pm -
the message from unity pro "you board isn't ready" is displayed when you want to download...
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
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...
Do you have any idea about Control logix series PLCs of AB?
New Replies:
By Trevor Ousey on 17 September, 2009 - 5:54 pm -
Not sure why you would use anything other than RSLogix5000 for a ControlLogix, didn't believe there...
NIMH 9V Battery charger
New Replies:
By Enric Hernandez on 17 September, 2009 - 4:15 pm -
you can find cheaper wall cube chargers, but delta peak final charge detection is more efficient...
Doubts about "generic" instrument
New Replies:
Interesting these SIL loop calculations. How to think you are safe by multiplying a string of...
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...
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...
looking for any MarkVI Simplex project software for gas turbine GE5001 power generation that work on dual fuel light & heavy fuel
New Replies:
By skydncr on 16 September, 2009 - 11:29 am -
Mohammed,
from your post I am assuming you are at one of the plants in Iraq. Moving hardware...
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...
Anybody have examples of reading/writing touchstone files in LabView?
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
...
Communication between sensors and PC via XML.
New Replies:
Beckhoff Automation has PLC functions to write PLC variables to an XML file. ...
By Ken Emmons Jr. on 16 September, 2009 - 7:59 am -
No offense, but why can't you use a Ethernet <-> RS422 converter (I'm assuming you don't have...
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...
ABB CDP312r control panel
New Replies:
Yes, you can upload parameters to the panel and then download to a different drive. The drive will...
Connecting KingFisher to Wonderware
New Replies:
Hi Herman,
I am using MBENET v 8.1 to communicate between TSX Premium PLC and Wonderware InTouch...
Preventing Gas Turbine trip during Fuel Change Over
Temperature of the hydraulic oil increased from 54 C TO 67 C for bypass system
New Replies:
By anonymous on 16 September, 2009 - 3:35 am -
What if the problem is in reverse. The damaged hydraulic pump is causing higher hydraulic fluid...
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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