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Thermal Overload
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
The plot was designed in a light vein that somehow became varicose.
-- David Lardner
-- David Lardner
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Posts from...
Friday, September 12, 2008
Looking for information concerning any limits on the amount of back pressure (due to exhaust noise baffling) on a Frame V Gas Turbine.
New Replies:
By CSA on 12 September, 2008 - 11:55 pm -
By CSA on 12 September, 2008 - 11:55 pm -
Any HRSG will have pipes and in some cases some type of baffling which must be placed in the...
Terminal colors
New Replies:
By Subramaniam Janakiraman on 12 September, 2008 - 11:52 pm -
By Subramaniam Janakiraman on 12 September, 2008 - 11:52 pm -
Please note that the requirement of light blue colored terminals at the field JB and the cable...
Specs for the Mark V ribbon cables
Frame-6 MKV Gas Turbine Constants
New Replies:
By CSA on 12 September, 2008 - 11:46 pm -
By CSA on 12 September, 2008 - 11:46 pm -
There was at least one other post to control.com about severe problems with GT power output after...
MarkV controls problem
New Replies:
By ankarao on 12 September, 2008 - 11:42 pm -
By ankarao on 12 September, 2008 - 11:42 pm -
Thanks for your reply.
We conformed that cables are not swapped. If that is the case, as soon as...
Empty summary
data exchanging beetwen plc s5 and wincc
New Replies:
By Arte on 12 September, 2008 - 11:36 pm -
By Arte on 12 September, 2008 - 11:36 pm -
Hi Ali,
According to the WinCC Information System you need to use the CP1613 communication...
How can I use SFC communication to send and receive data in two stations (two CPUs) in S7 Siemens PLC with small program?
What is the best way to find out which portion of the system is making the problem?
How to check a transformer's healtiness? How to ascertain its turn ratio? What is PI test and how to perform it? What is tan delta test and its significance? Take one example of 3MVA transformer. Kindly help.
New Replies:
By pkp on 12 September, 2008 - 2:05 am -
By pkp on 12 September, 2008 - 2:05 am -
Hi sandeep,
If I am not wrong, are you talking about furnace transformer in steel mill? If yes,...
Ethernet & TCP/IP
New Replies:
By Paul Wacker on 12 September, 2008 - 2:03 am -
By Paul Wacker on 12 September, 2008 - 2:03 am -
Rushi -
For these subjects any networking book will do. If you are interested in a quick...
By Bill Code on 12 September, 2008 - 1:49 am - In a nutshell (if possible?):
Ethernet = the hardware on which the frames travel
A frame...
By Michael Griffin on 12 September, 2008 - 1:00 am - The short explanation is that they are different levels or layers of a network. Ethernet covers the...
from the Automation List department...
Feasibility of tripping a Gas Turbine on LUBE OIL TANK level LOW LOWTrying to reason out why tripping of a Gas Turbine is not considered on LUBE OIL TANK level LOW LOW.
New Replies:
By MIKEVI on 12 September, 2008 - 2:00 am -
By MIKEVI on 12 September, 2008 - 2:00 am -
Dear Infoseeker,
We have 2 7EAs MKVI TMR. We are configured for alarms for low and high lube...
By CSA on 12 September, 2008 - 12:39 am - Info seeker,
Information is a good thing. GE's basic philosophy with L.O. Tank level is that it...
MKVI Generator Synchronization Trouble
Looking for a dc24v to dc5v converter, screw-terminal, din-rail mount.
Encountering serious problems with hardware issues
Can anyone direct me to a web site that reviews and/or compares the VFDs of different manufacturers, with particular interest in the Ethernet communication feature?
New Replies:
By Darrin Hansen on 12 September, 2008 - 1:45 am -
By Darrin Hansen on 12 September, 2008 - 1:45 am -
Paul -
I don't know of any specific comparison site per se, but our company specializes in...
By Bob Peterson on 12 September, 2008 - 1:29 am - I have not experienced that problem. I do suggest a separate network for the VFDs and I/O drops...
By chud on 12 September, 2008 - 1:02 am - Are you planning on getting new drives and soft starters or using the existing ones in your plant...
Oscillations in control system.
New Replies:
By Roy Matson on 12 September, 2008 - 1:31 am -
By Roy Matson on 12 September, 2008 - 1:31 am -
Another possibility, your control valve may be too large for the application. Try cutting your gain...
Connection types in a compound engine
New Replies:
By Roy Matson on 12 September, 2008 - 1:30 am -
By Roy Matson on 12 September, 2008 - 1:30 am -
I think what you are asking what will happen if you connect the series winding backwards. You will...
How to make program using VB6 for barcode scanning
New Replies:
By B. Anderson on 12 September, 2008 - 1:30 am -
By B. Anderson on 12 September, 2008 - 1:30 am -
There is a VB6 tutorial for USB scanners at http://www.idautomation.com/scanenable/ and it is much...
I am investigating the need for remote control products within automation.
Mark V C A4 problem
New Replies:
By Viswa on 12 September, 2008 - 1:26 am -
By Viswa on 12 September, 2008 - 1:26 am -
Do a check again on Voter ID in LCC display. It should be "c". This might help.
Thanks,...
Data about startup & shutdown
Types of Fuses
New Replies:
By Marc Sinclair on 12 September, 2008 - 1:21 am -
By Marc Sinclair on 12 September, 2008 - 1:21 am -
Hi,
The gL or gG type fuse has a general purpose blowing characteristic. You should look at...
Siemens WinCC HMI package to communicate to a Modicon Momentum PLC using MODBUS interface
Does any PLC programming software implement the object-oriented-programming concept of "inheritance"?
New Replies:
By Vladimir Zyubin on 12 September, 2008 - 1:20 am -
By Vladimir Zyubin on 12 September, 2008 - 1:20 am -
The solution is simple as the Egg of Columbus. You have no needs to provide parallelism...
UnityPro XL is running slow, V3.1-SP1.
New Replies:
By ed_private on 12 September, 2008 - 1:05 am -
By ed_private on 12 September, 2008 - 1:05 am -
I have tried UnityPro on both Windows XP Professional and Windows XP Home. I do not see a...
Modsoft on DELL Latitude D630 problem.
I need a manual that describes how to write formulas in Excel to access data from Honeywell Uniformance PHD. Can one be found on the Internet?
New Replies:
By Kyne on 12 September, 2008 - 1:03 am -
By Kyne on 12 September, 2008 - 1:03 am -
There is one manual which tells you how to get data from PHD thru Excel. But you need to install...
Requesting member feedback for the replacement selection of an existing petrochemical control system "DCS".
New Replies:
By Y.K.JARIWALA on 12 September, 2008 - 12:57 am -
By Y.K.JARIWALA on 12 September, 2008 - 12:57 am -
Hi George,
With these I/O counts, we would preferred DCS with single controller, having IO...
Can anyone explain to me the meaning of "DLN system tuning"?
New Replies:
By Simon on 12 September, 2008 - 12:57 am -
By Simon on 12 September, 2008 - 12:57 am -
I have found our write up now, and the settings for the split range from 77 - 85% and is in 1%...
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"
New Replies:
By CSA on 12 September, 2008 - 12:55 am -
By CSA on 12 September, 2008 - 12:55 am -
The search function of control.com is second to none on the World Wide Web for any similar...
Acid gas flow measurement - What are the best meters? What are the normal problems faced? Appreciate for any feedback or experience.
Creating an enmurated state and adding to a user defined display
New Replies:
By CSA on 12 September, 2008 - 12:49 am -
By CSA on 12 September, 2008 - 12:49 am -
Thanks for the feedback! It's the most important contribution to control.com.
I'm only...
For transmitters, why is the calibration range always mentioned in mm of WC?
Quantum NOE 771 Connectivity issues since cutting over to hierarchal Cisco network.
I need to connect a sensor that requires approximately 30mA @ 24V in an Hazardous area.
Coriolis with acid resistant coating
Is there a good Open Source solution for SCADA on both Windows and Linux ?
New Replies:
By Marc on 12 September, 2008 - 12:32 am -
By Marc on 12 September, 2008 - 12:32 am -
On my first "big" project it was fascinating to work with a SCADA system built, by the...
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