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The threads that wouldn't die...
- PC reliability?
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- 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
I've given up reading books; I find it takes my mind off myself.
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Posts from...
Friday, September 26, 2008
We are facing a problem of Mark V controllers <R>, <S>, <T> whenever lightening strikes near by electrical switch yard.
New Replies:
By Michael Toecker on 26 September, 2008 - 5:25 pm -
By Michael Toecker on 26 September, 2008 - 5:25 pm -
This could also be related to the communications related issues that show up in the logs. A ground...
By Michael Toecker on 26 September, 2008 - 5:05 pm - Has anyone thought about ground potential rise? When a lightening strike happens, it is dispersed...
Adjusting the PID of a closed loop stepper system to the control system gives unexpected results
New Replies:
By Wolf on 26 September, 2008 - 4:10 pm -
By Wolf on 26 September, 2008 - 4:10 pm -
I added a low pass filter at PID input and PID output. The grumbling is minimized. That was a good...
What is type two coordination in Low Voltage Swichgear?
from the electrical department...
Terminal (load) voltage changes in single alternator due to change in driving torque
Effect of varying the driving torque of single alternator on load voltage (load connected is purely RESISTIVE).
New Replies:
By Phil Corso on 26 September, 2008 - 1:31 pm -
By Phil Corso on 26 September, 2008 - 1:31 pm -
Tsk, tsk CSA... had you obtained a copy of my paper most of the questions and complaints, noted in...
By shahvir on 26 September, 2008 - 4:36 am - Dear Phil,
Sorry, I have been busy lately . I will contact u thru my Email shortly.
Thanks for...
Calling for comments and/or observations regarding the different methods of interfacing a GE MARK IV/V/VI system to a DCS.
New Replies:
By Zion on 26 September, 2008 - 10:28 am -
By Zion on 26 September, 2008 - 10:28 am -
Mike,
GE have a propreitory software called GSM which can as well be used for third party...
In 210 MW turbogenerator in 6th no. bearing (horizontal) there is an increase in vibration with an increase in VAR required by the generator.
New Replies:
By CSA on 26 September, 2008 - 9:42 am -
By CSA on 26 September, 2008 - 9:42 am -
Let me tell you: Have someone come to the site with vibration monitoring equipment. A knowledgeable...
What's the difference?
New Replies:
By CSA on 26 September, 2008 - 9:30 am -
By CSA on 26 September, 2008 - 9:30 am -
It's impossible to say exactly what happens with the unit at your site without being able to look...
Briefly, I want to ask what exactly HDA refers to and more specifically what HDA servers offer.
New Replies:
By Graham Burnikell on 26 September, 2008 - 8:25 am -
By Graham Burnikell on 26 September, 2008 - 8:25 am -
Hi Peter,
s mentioned HDA stands for Historical Data Access and is one of the many OPC interface...
Millivolt conversion from load cells
New Replies:
By Roy Matson on 26 September, 2008 - 7:52 am -
By Roy Matson on 26 September, 2008 - 7:52 am -
Oops, on re-reading your post do you mean the signal is changing too fast for the PLC?
If this...
By Roy Matson on 26 September, 2008 - 7:46 am - By "the variations of received values are beyond acceptable limits" I assume you mean the...
Can I interface different PLCs to each other using DataLink? Is there a limitation in interfacing like this? Could it still be possible to include the data gathered by the other PLC in the SCADA system of the other kind of PLC??
New Replies:
By Roy Matson on 26 September, 2008 - 7:23 am -
By Roy Matson on 26 September, 2008 - 7:23 am -
Yes, it's always possible at some level you just need to determine where they talk the same, for...
Difference between Profibus DP & FMS varient communications?
Backup for Infi 90 Bailey Control
New Replies:
By Nguyen Thanh Son on 26 September, 2008 - 4:25 am -
By Nguyen Thanh Son on 26 September, 2008 - 4:25 am -
I'll buy two drives for system disk and data disk.
I have read instructions in the OIS manuals,...
I'm searching for a open source SCADA system, any ideas?
New Replies:
By Nathan Boeger on 26 September, 2008 - 3:43 am -
By Nathan Boeger on 26 September, 2008 - 3:43 am -
Hate to burst your bubble. Open source is weak in the HMI/SCADA/PLC/Industrial Automation industry....
Tank level control
We have a ring MB300 network for our plant, which connects 4 PLCs ABB 450 using a repeater in between. Since the last few days, one part of the system was not able to communicate with the other. It's a MB300 bus & TCP/IP for each operator station...
New Replies:
By Rob on 26 September, 2008 - 2:13 am -
By Rob on 26 September, 2008 - 2:13 am -
MAC checksum errors almost always mean you have a hardware problem. (But I guess you already know...
Very slow communication
New Replies:
By Rob on 26 September, 2008 - 2:08 am -
By Rob on 26 September, 2008 - 2:08 am -
You don't say what medium you are using for communication, but you mention terminating resistors so...
Install MKV IDOS on Pentium III, II
New Replies:
By Tran Thanh Trung on 26 September, 2008 - 2:08 am -
By Tran Thanh Trung on 26 September, 2008 - 2:08 am -
I have checked carefully, but i can't still boot MKV software to main display. Fail is: "_This...
Level measurement for open tank
New Replies:
By Greg Adams on 26 September, 2008 - 1:21 am -
By Greg Adams on 26 September, 2008 - 1:21 am -
I agree with Roy. There's little point in putting the transmitter all the way at the bottom of the...
I am looking for Technical Specification for Power plant Continuous Emission Monitoring System (CEMS).
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