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Posts from...
Tuesday, July 29, 2008
from the Automation List department...
Generator vibration trip
Topic: Continuous process industries, DCS questions.
Originally posted by hartanto on 23 July, 2008 - 10:59 pm
Generator vibration high when synchronized with network
New Replies:
By hartanto on 29 July, 2008 - 1:41 am -
Thank you Mr. Steve for your comment. We tried it but the vibration is still the same. When...
from the Automation List department...
Operating problem
Topic: Engineering and workplace issues.
Originally posted by jhon on 1 July, 2008 - 1:37 am
Operating problem of gas turbine
New Replies:
By CSA on 29 July, 2008 - 1:41 am -
Speaking from a different perspective than the operator or the instrument technician or the...
from the DCS department...
Plantscape R320
Topic: Application Questions and Problems
Originally posted by Jayeshkumar Patel on 31 May, 2008 - 1:13 am
Operating system change
New Replies:
By B. Clemmer on 29 July, 2008 - 1:39 am -
I am currently running Plantscape R320 on a Windows XP machine for testing and have not had any...
from the Speedtronic department...
MKIV - Laptop interface
Topic: Engineering and workplace issues.
Originally posted by Dhinesh on 13 July, 2008 - 12:18 pm
MKIV to Laptop communication to capture data from the MKIV panel
New Replies:
By CSA on 29 July, 2008 - 1:37 am -
There are two possibilities for the majority of Mark IVs: 1) Connect a laptop to Mark IV's...
from the Automation List department...
DC motor drive
Topic: Motion control, servos, steppers, etc.
Originally posted by Martin Cutajar on 16 June, 2003 - 9:09 pm
We have a permannet magnet, DC motor (rated voltage 36 V, torque 15 Ncm and speed 5 - 40 krpm), with two field coils...
New Replies:
By Randall Moore on 29 July, 2008 - 1:33 am -
We should be able to help you. http://www.carotron.com Thanks, Randall...
from the Operations department...
Gas turbine base load on liquid fuel
Topic: Engineering and workplace issues.
Originally posted by ankarao on 23 May, 2008 - 1:15 am
Gas turbine liquid fuel operation.
New Replies:
By CSA on 29 July, 2008 - 1:30 am -
Jojo, I think there is a heat rate improvement when inlet air cooling is used and there is some...
from the Automation List department...
Robot controller
Topic: Motion control, servos, steppers, etc.
Originally posted by Najafabadi on 19 July, 2008 - 2:14 am
We decided to make a robot controller or buy a ready robot controller to replace the controller of some old 6 DOF manipulators.
New Replies:
By James Ingraham on 29 July, 2008 - 1:29 am -
"Is it possible to use a 6 Axis ready made CNC controller to control a 6 DOF robot?" ...
from the Electrical Engineering department...
Unequal load sharing of generators
Topic: Engineering and workplace issues.
Originally posted by Nimra on 23 July, 2008 - 1:52 am
I have a question about unequal load sharing of generators.
New Replies:
By CSA on 29 July, 2008 - 1:26 am -
Phil, Are you saying that generators having different droop characteristics can only be operated...
By CTTech on 29 July, 2008 - 12:43 am -
As both of you know, this is why we maintain power system operators. They are responsible for...
from the Automation List department...
JimPinto.com eNews 28 July 2008 - on the web
Topic: The Business of Automation and Control
Posted by Jim Pinto on 29 July, 2008 - 1:25 am
The latest JimPinto.com - Connections for Growth & Success(TM) No. 252 - 28 July 2008, is on the web...
from the Automation List department...
Signal Naming in MKVI Logic
Topic: Application Questions and Problems
Originally posted by Mike Hines on 26 July, 2008 - 1:34 am
Curious about MKVI signals that begin with a "#" sign.
New Replies:
By CSA on 29 July, 2008 - 1:22 am -
I believe when a # precedes a signal name it refers to the "health" of the signal coming...
By Demigrog on 29 July, 2008 - 1:00 am -
The # is used to get the health bit of any signal connected to an I/O point. Clear as mud, right?...
from the Automation department...
I have a problem for long instrument cables
Topic: Sensor technologies.
Originally posted by Omalaheem on 26 July, 2008 - 12:56 pm
the problem is the distance between the transmitter and the RTU, which is 3000 m....
New Replies:
By wboyes on 29 July, 2008 - 1:21 am -
The most common solution is to install I/I stations every 500 meters. This breaks up the loop into...
from the Stubborn Mule department...
MarkV Governor Control Modes
Topic: Engineering and workplace issues.
Originally posted by Gary Hamel on 23 July, 2008 - 11:41 pm
What MarkV mode is used to control 10MW steam turbine generator in droop?
New Replies:
By CSA on 29 July, 2008 - 1:15 am -
I've been thinking about this even more, and re-reading and then re-reading the original post...
from the Automation List department...
Control valve in Process Natural Gas Line
Topic: Continuous process industries, DCS questions.
Originally posted by Sanjib on 26 July, 2008 - 1:33 am
Control valve hunting
New Replies:
By Roni Heru T on 29 July, 2008 - 1:14 am -
I think the condition happens because the positioner has the feedback system, so if the positioner...
from the Electrical department...
4 pole Single Phase AC motor
Topic: Engineering and workplace issues.
Posted by chin kat meng on 29 July, 2008 - 1:06 am
Asking opinion on designing a single phase 4 pole AC motor.
from the Automation List department...
Modbus addressing models
Topic: Communications systems and equipment.
Originally posted by Fred Wedemeier on 26 July, 2008 - 1:53 am
Usage of most-significant decimal address to identify a data type.
New Replies:
By JC on 29 July, 2008 - 1:03 am -
You can think of 10051, 30034, 40021, etc. as register 'Names'. You can subtract an offset from the...
from the Automation List department...
Cat5 KVM Extender Class1 Div2??
Topic: Application Questions and Problems
Originally posted by S. Landau on 14 March, 2003 - 10:36 am
I am looking for this type of unit. The standard units sold by black box, etc have no rating...
New Replies:
By Gopal on 29 July, 2008 - 12:58 am -
We do have a Class I Div II solution for Panel mount Display and Industrial PC with inbuilt KVM...
from the computers department...
Ethernet port is not operational
Topic: Communications systems and equipment.
Posted by jay on 29 July, 2008 - 12:57 am
Ethernet port is not operational
from the Taylor software department...
Memocon-SC U84
Topic: Software, including programming, OS issues, etc.
Originally posted by Quang Phu on 3 January, 2008 - 10:19 pm
I have PLC Yaskawa Memocon-SC U84. But I haven't any software and cable to connect from PLC to PC.
New Replies:
By sonboz on 29 July, 2008 - 12:55 am -
Dear Sir, I think that if you contact the Yaskawa Company, they can help you. Best regards,...
from the Electrical department...
AVR - Slow Response
Topic: Continuous process industries, DCS questions.
Originally posted by Anonymous on 23 July, 2008 - 10:50 pm
AVR having slow response.
New Replies:
By Anonymous on 29 July, 2008 - 12:54 am -
Thank you for the reply. For your information, I didn't take any step to resolve the problem yet....
from the Automation List department...
Does Dox10 work with SC05-35?
Topic: PLCs and related questions.
Originally posted by Anse on 4 October, 2007 - 9:53 pm
Does Dox10 work with SC05-35? What cable to connect between a PC and SC05-35? Where can I find a user's manual?
New Replies:
By icon on 29 July, 2008 - 12:46 am -
Hi, Maybe I can help you. Please contact me at ceo at iconsystems. pk...
from the Automation List department...
Embedded systems in Hyderabad
Topic: Information resources, documentation.
Originally posted by suresh on 30 June, 2006 - 10:17 pm
Would u suggest any institution for embedded systems in hyderabad?
New Replies:
By Narayana Raju S on 29 July, 2008 - 12:44 am -
Hi Suresh, I heard, very soon there is a group of people planning to start a startup company and...
from the maint department...
reasons for flashover
Topic: Motion control, servos, steppers, etc.
Originally posted by paru on 27 July, 2008 - 11:56 am
Few months back we had a flash over on the surge arrestor on primary side of power transformer...
New Replies:
By Otpidus on 29 July, 2008 - 12:43 am -
Power transformers normally experience huge surges during switching on. You have not mentioned...
from the Instrumentation department...
3 way control valve in gas line
Topic: Continuous process industries, DCS questions.
Posted by Vinod Ghate on 29 July, 2008 - 12:42 am
Can we use 3 way globe control valve in Bio-gas line?
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