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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?
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Posts from...
Tuesday, September 9, 2008
Oscillations in control system.
New Replies:
By Morpheus on 9 September, 2008 - 1:16 am -
By Morpheus on 9 September, 2008 - 1:16 am -
Hi there,
Have you tried using the offline tuning method? If possible, try to do a step test and...
By George Younkin on 9 September, 2008 - 12:41 am - pk,
If it will be of any help, I can email documents on the basics of PID to you. Contact me if...
Isolation of operating station by changing the position of terminating resistor on CS3000 DCS failed.
New Replies:
By Shahid Waqas on 9 September, 2008 - 1:14 am -
By Shahid Waqas on 9 September, 2008 - 1:14 am -
It would be a good idea to contact your local Yokogawa service centre. They would help you in...
By wboyes on 9 September, 2008 - 12:52 am - For your sake, and the sake of your co-workers, PLEASE call Yokogawa for assistance. Replacing...
Analog I/O card replaced in <T> core, but processor booted up till A6 (should have gone till A7 for okay status) and indicated "I/O card missing alarm"
need information for absolete field Instrument
Does any PLC programming software implement the object-oriented-programming concept of "inheritance"?
New Replies:
By James Ingraham on 9 September, 2008 - 1:04 am -
By James Ingraham on 9 September, 2008 - 1:04 am -
"...if you insist to use the OOP-style order, I have no objections."
Well, it's not so...
we experience the following alarm diagostic alarm on VPRO Z: The solenoid voltage 06 mismatch request state.
New Replies:
By CSA on 9 September, 2008 - 1:00 am -
By CSA on 9 September, 2008 - 1:00 am -
There's a couple more things I want to bring up here. You mentioned disabling monitoring of contact...
Our annubar was broken.
New Replies:
By wboyes on 9 September, 2008 - 12:58 am -
By wboyes on 9 September, 2008 - 12:58 am -
You have an inserted hollow stick, with holes in it, in a 52" diameter pipe, flowing 2000 T/h....
MarkV controls problem
New Replies:
By CSA on 9 September, 2008 - 12:52 am -
By CSA on 9 September, 2008 - 12:52 am -
If you look in the Mark V Maintenance Manual, GEH-5980, you will see that all of the cards which...
When we started the compressor, GTG output frequency dropped down and it was automatically changed to Droop mode...
New Replies:
By CSA on 9 September, 2008 - 12:45 am -
By CSA on 9 September, 2008 - 12:45 am -
You should obtain the services of someone who's knowledgeable in Mark IV Speedtronic turbine...
Requesting member feedback for the replacement selection of an existing petrochemical control system "DCS".
New Replies:
By wboyes on 9 September, 2008 - 12:45 am -
By wboyes on 9 September, 2008 - 12:45 am -
MTL recently sold the MOST system to GE Fanuc, who are just pleased as punch with their new...
By dsiler on 9 September, 2008 - 12:16 am - I am not an Emerson Distributor, just an integrator that's been working with Delta V for 11 years...
On why restarting Mark V HMI is not advisable.
New Replies:
By CSA on 9 September, 2008 - 12:40 am -
By CSA on 9 September, 2008 - 12:40 am -
dinster,
About the ONLY reason one would not want to re-boot a GE Mark V operator interface is...
Indications jump or drop out at 3600 RPM for 15 seconds and than trip on IGV trouble.
New Replies:
By John Tennyson on 9 September, 2008 - 12:29 am -
By John Tennyson on 9 September, 2008 - 12:29 am -
To start with the battery. The voltage was suspect. We put in a new battery. The 125Vdc bus was...
Creating an enmurated state and adding to a user defined display
New Replies:
By Simon on 9 September, 2008 - 12:29 am -
By Simon on 9 September, 2008 - 12:29 am -
Hi CSA,
I am a colleague of Martin's and have been working with him on this...
How to train ANN using Matlab for given input and Target?
Measuring static pressure losses in exhaust duct on GE LM6000 gas turbine.
from the what does 1Vpp mean? department...
how much is the amplitude of sin/cos encoder of heidenhain ern1387 I design a interface circuit of sin/cos encoder,
but i don't know the amplitude of its output. Do different companies produce this kind of encoder with the same output voltage amplitude?
but i don't know the amplitude of its output. Do different companies produce this kind of encoder with the same output voltage amplitude?
New Replies:
By Jim Miller on 9 September, 2008 - 12:17 am -
By Jim Miller on 9 September, 2008 - 12:17 am -
Chinmay,
I am not sure what you mean exactly.
It sounds as though you are looking for a...
Question on Isochronous Mode of Control
New Replies:
By DMello on 9 September, 2008 - 12:14 am -
By DMello on 9 September, 2008 - 12:14 am -
For MKV - On main display there is no provision to change TNRI_CMD. You have to go to...
Can anyone explain to me the meaning of "DLN system tuning"?
What are the parameters to be considered for SCADA system evaluation?
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