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Posts from...
Today, Friday, July 3, 2009
from the Forum department...
Cicode function problem
Topic: Computers in manufacturing; also hardware discussion.
Posted by Elish on 3 July, 2009 - 6:25 am
Cicode function problem - Variable Tags
from the Automation List department...
Replacement for MK V IDOS computer
Topic: Continuous process industries, DCS questions.
Originally posted by Sandy on 17 September, 2008 - 2:22 am
Mk V System Upgrade
New Replies:
By hello on 3 July, 2009 - 4:20 am -
Thanks everyone for your support, you're the best!!...
By rodman michaels on 8 June, 2009 - 10:16 am -
There is already a matured product in the market called TMOS, that can completely replace the I-DOS...
Topic: Local and wide area networking in factory automation.
Originally posted by Francesco Savino on 1 July, 2009 - 10:03 am
Which is the correct bits stop number with none parity?
New Replies:
By Francesco Savino on 3 July, 2009 - 3:07 am -
Before all,Thanks a lot for your answers. The problem was born because two days ago i did some...
By Jerry Miille on 1 July, 2009 - 7:58 pm -
Sure, if they strictly follow the specifications! But, there are many, many suppliers of...
By David on 1 July, 2009 - 5:35 pm -
Yes, but as you've noticed, many do not use two stops for no parity. In fact, I find it rarer to...
from the elctriton department...
unity pro xl Transfer problem
Topic: Software, including programming, OS issues, etc.
Originally posted by avi on 2 July, 2009 - 4:23 am
Transfer problem since change in program
New Replies:
By Greg on 3 July, 2009 - 1:06 am -
As ask before: do you have your upload information activated? If not you cannot upload a program...
By Robert Willis on 2 July, 2009 - 7:39 pm -
Your messge is very hard to understand so I am going to repeat it so that I can meake sure that I...
from the Forum department...
Voltage VS. VAr / PF Control
Topic: Power generation equipment control.
Originally posted by CIS on 1 May, 2009 - 5:30 pm
Voltage VS. VAr / PF Control
New Replies:
By CSA on 3 July, 2009 - 12:49 am -
Thank you for the feedback! It's good to know what you found and how you've solved the problem. ...
By CIS on 2 July, 2009 - 10:50 am -
Just wanted to give an update on what we have found. The reason for the Generator voltage being...
from the Engineering department...
Turbine Vibrations
Topic: Engineering and workplace issues.
Originally posted by Prabhakar1949 on 13 June, 2009 - 12:44 pm
Reasons for high vibrations in turbines
New Replies:
By ctb on 2 July, 2009 - 11:27 pm -
Thrust balance issues. Caused from tbv or lack of cdp/hpc bleed....
By MOB on 15 June, 2009 - 5:27 am -
Vibrations reasons (w.r.t gas turbines) - 1. Lube oil film failure 2. Low oil header...
By Ore Rotundo on 15 June, 2009 - 3:18 am -
Usually GT bearings are equipped with radial, axial and seismic vibration probes. Standard GE HD...
By Bruce Durdle on 14 June, 2009 - 6:54 pm -
If you lose a blade or 2 you will also get vibrations...
By Mk6TA on 14 June, 2009 - 6:11 am -
Until now I've only seen two causes for high vibrations: bad shaft alignment and bad flame dynamics...
from the Forum department...
lm6000_generator lube oil system
Topic: Engineering and workplace issues.
Posted by ctb on 2 July, 2009 - 11:06 pm
generator lube oil system
from the Forum department...
OPC Server Hanging at will
Topic: Human-Machine Interface and SCADA.
Originally posted by MIX on 29 June, 2009 - 12:50 pm
OPC Server Hanging at will
New Replies:
By UTR on 2 July, 2009 - 10:45 pm -
Having used both Matrikon and Kepware for similar applications I would reccomend moving to Kepware...
By Adriel Michaud on 2 July, 2009 - 10:26 am -
MIX, have you contacted our OPC Support team? They'd be able to assist in resolving the issue. ...
By Fred Loveless on 2 July, 2009 - 9:59 am -
Not all of us that develop OTS software are like that. I never assume that my software is not at...
By Curt Wuollet on 1 July, 2009 - 12:01 pm -
Yes, but with shrinkwrap software shrouded in secrecy, it's very difficult to find out which. So,...
By Randy T. Jakosalem on 1 July, 2009 - 12:00 am -
Sometimes its not the software but the hardware. Maybe your PC have not enough RAM space to run...
By Fred Loveless on 30 June, 2009 - 5:29 pm -
Try KepserverEx (http://www.kepware.com). We have and extensive posotive history working with...
By Mark on 30 June, 2009 - 3:07 pm -
Try a different OPC Server. Free, fully-functioning, 30 day trial version available for download at...
By Mark on 30 June, 2009 - 10:11 am -
Hi, The list of possible problems is very long. Without more data, finding the problem and...
By Curt Wuollet on 29 June, 2009 - 7:43 pm -
I would probably try a different server. Or demand that the author fix it. Without code or...
from the Forum department...
Diaphragm Seal for Pressure Gauge
Topic: Application Questions and Problems
Originally posted by matteki on 2 July, 2009 - 12:52 am
Difference of Diaphragm Seal type (capsule, welded, clamp, etc)
New Replies:
By Sushant Chanana on 2 July, 2009 - 10:42 pm -
Hello Mettiki, Just go to this link and download product catalog(6.16): ...
from the None department...
Calibrating a Heat Treat Oven
Topic: Sensor technologies.
Posted by Cuauhtèmoc Nieto on 2 July, 2009 - 10:20 pm
Need a laboratory to calibrate a heat treat oven
from the operation department...
IGV
Topic: Engineering and workplace issues.
Originally posted by Anonymous on 25 May, 2007 - 10:51 pm
Effect of installation of IGV
New Replies:
By ctb on 2 July, 2009 - 8:59 pm -
IGV & the first five stages of stator vanes on th lm6000 HPC are designed as variable geometry...
from the CISE department...
WinCC database triggers
Topic: Human-Machine Interface and SCADA.
Posted by Shakil on 2 July, 2009 - 8:53 pm
Create triggers at compressed and uncompressed archives. Create new tables in a WinCC project database. New tables will be synchronized in a redundant server system?
from the Advice department...
Ethernet I/O Devices
Topic: Communications systems and equipment.
Originally posted by Eli Hunter on 30 June, 2009 - 4:17 pm
I'm seeking advice on a replacement device for an ADAM-6017, that's approximately the same size.
New Replies:
By William Sturm on 2 July, 2009 - 5:53 pm -
If you can do C programming, look at the single board computers from Rabbit Semiconductor. They are...
By M Griffin on 30 June, 2009 - 9:44 pm -
I've never bought anything from the following, so I can't exactly recommend them. However, you...
By Don Lupo on 30 June, 2009 - 6:38 pm -
I checked the datasheet on the Advantech-6017 module and it indicates an update time of 10...
from the Manual needed department...
Microcor III controller manual
Topic: Continuous process industries, DCS questions.
Originally posted by John Wert on 18 May, 2005 - 7:44 pm
Trying to use a Microcor III PR controller made by Coreci. Age unknown. The controller works in manual mode, but I am unable to decipher tuning and programming codes without a manual. Any help locating a manual for this controller would be greatly appreciated.
New Replies:
By Wim21 on 2 July, 2009 - 5:32 pm -
I am interested in a copy of your user's manual of the Microcor III. Can you send it by email or by...
Topic: Local and wide area networking in factory automation.
Originally posted by skwong on 31 May, 2009 - 11:39 pm
project using the Temco Thermostats (TSTAT5) which are run on Modbus communication (daisy chain connection)
New Replies:
By Benson Hougland on 2 July, 2009 - 5:29 pm -
Hello SK- I suggest posing your question to Opto 22 Product Support at support@opto22.com, or call...
from the Grounded department...
Measuring common mode voltage
Topic: PLCs and related questions.
Originally posted by Oliver on 1 July, 2009 - 3:36 am
Common mode voltage measurement
New Replies:
By Jerry Miille on 2 July, 2009 - 5:27 pm -
The reason that two wire connections can work is because the logic power supplies at each location...
By Oliver77 on 2 July, 2009 - 1:29 pm -
Hi Jerry, Very informative links, thanks. I have used devices(power meters, controllers,...
By Curt Wuollet on 2 July, 2009 - 1:03 pm -
Common mode voltage has no meaning without a reference point. The shield would be a good guess as...
By Lew McKinney on 2 July, 2009 - 9:59 am -
I agree Jerry. I always used a "cheater" plug on the power supply of the scope to be able...
By Curt Wuollet on 2 July, 2009 - 12:05 am -
But that isn't the common mode voltage. Regards cww...
By Jerry Miille on 1 July, 2009 - 11:03 pm -
Excellent response and absolutely correct as far as viewing the common mode signal is concerned! ...
By Oliver on 1 July, 2009 - 10:08 pm -
Your procedure mentions a third point,i.e., logic ground as the reference. A lot of RS485 devices...
By Lew McKinney on 1 July, 2009 - 1:50 pm -
One of the easiest ways to view a signal like this is to use a dual trace scope of sufficient BW. ...
By Curt Wuollet on 1 July, 2009 - 12:22 pm -
Strictly speaking, the common mode voltage is the average voltage of the two differential signals....
By Jerry Miille on 1 July, 2009 - 10:34 am -
Simple, Connect one side of your scope (not a meter because this voltage can and usually is...
from the Forum department...
high radial vibration of air compressor
Topic: Motion control, servos, steppers, etc.
Posted by ehtasham on 2 July, 2009 - 3:22 pm
high radial vibration at journal bearing of air compressor is adding to our woes
from the Forum department...
YSF6 circuit breaker upgrade
Topic: Engineering and workplace issues.
Posted by Edward on 2 July, 2009 - 2:17 pm
Job Maintenance for YSF6 CB,11KV, 630A
from the Training department...
PLC training system
Topic: PLCs and related questions.
Originally posted by Walter Kurtz on 9 February, 2009 - 12:52 am
Test system for training on the basics of PLC-based control systems
New Replies:
By Germinal Puigbertrand on 2 July, 2009 - 1:48 pm -
You have to take a look into the FREE PAC CONTROLLER SIMULATOR included into the Opto22 's PAC...
from the Electrical and Mechanical Engineering department...
Problem with steam turbine and induction generator
Topic: Engineering and workplace issues.
Originally posted by Shaiby Koshy on 29 June, 2009 - 8:54 am
Coupling damage frequently occurring in 75 kw steam turbine synchronized with Induction generator
New Replies:
By Shaiby Koshy on 2 July, 2009 - 1:20 pm -
Dear sir, if sync is to be done not only with speed (Hz) what all things need to be taken care...
By Phil Corso on 30 June, 2009 - 6:09 pm -
Koshy... Apparently during run-up of the STG driver, there is sufficient residual magnetic flux in...
from the Forum department...
high voltage substation earthing
Topic: Engineering and workplace issues.
Originally posted by mkn on 2 July, 2009 - 2:21 am
Best design for high voltage substation earthing system
New Replies:
By Almshouse on 2 July, 2009 - 12:00 pm -
Go to www.eng-tips.com They have forum for High Voltage....
from the AUTOMATION department...
Freelance resources
Topic: The Business of Automation and Control
Originally posted by florin on 28 September, 2006 - 11:30 pm
Resources for automation and control freelancing in London?
New Replies:
By Pedro on 2 July, 2009 - 11:56 am -
He Is in London, Ontario CANADA folks.............
By Ian on 1 July, 2009 - 2:31 am -
Hi, I did what you are now doing back in 1997-2003. I never ended up getting contract work in...
from the Instrumentation department...
Pump Control Scheme Study Report
Topic: Continuous process industries, DCS questions.
Originally posted by dasa on 1 July, 2009 - 4:04 pm
I want to prepare a Pump Control Scheme Study Report for a large water supply network.
New Replies:
By Dick Caro on 2 July, 2009 - 11:47 am -
I can supply such a report. Please contact me off this list if you are interested. Dick Caro ...
from the Automation department...
DCS Shutdown signals
Topic: Communications systems and equipment.
Originally posted by khanna on 30 June, 2009 - 5:37 am
Shutdown logic signal between two DCS systems
New Replies:
By A.K.Hait on 2 July, 2009 - 11:27 am -
In my experience I haven't come across any standards which says that shutdown through serial link...
By khanna on 2 July, 2009 - 5:29 am -
These are two critical shutdown signals to trip-valves. As such we have not done this yet as we...
By Roy Matson on 30 June, 2009 - 10:49 am -
How critical are the shutdown signals? What will happen if you loose communications? Have you...
from the Automation List department...
Motor Speed Control
Topic: Motion control, servos, steppers, etc.
Originally posted by Eric Thielking on 25 August, 2007 - 12:36 am
Motor Speed Control
New Replies:
By Alexandre Lima on 2 July, 2009 - 10:47 am -
It's is possible using a Varible Frequency Drive, or a Drive, it's an electronic device that can...
from the dcs department...
teleperm xp system admin material
Topic: Power generation equipment control.
Posted by nivasnet on 2 July, 2009 - 9:10 am
teleperm xp system admini documentation needed
from the Control System department...
Yokogawa and Siemens Profibus Problem
Topic: Communications systems and equipment.
Posted by Hamid Ali on 2 July, 2009 - 7:43 am
yokogawa ALP111 and Siemens 315-2dp-af03 communication problem.
from the c++ code for linux department...
Simple C or C++ script to read serial port buffer
Topic: Open interfaces, software and hardware
Originally posted by Obscurius on 27 August, 2004 - 1:31 am
I would like to read a text string from a device which connected to the serial port and save this string to a text file or in to a database..
New Replies:
By shashank on 2 July, 2009 - 6:23 am -
Hi neha, i would be very thankfull if u plz send me the c code for reading data bytes from...
By neHA on 8 June, 2009 - 9:46 am -
>you can read a data from the serial port using turbo C compiler, use inport and outport to...
By Curt Wuollet on 4 June, 2009 - 1:42 am -
I'd be happy to except that the serial port code for Linux would probably not compile. The IO stuff...
By Paul Wacker on 3 June, 2009 - 3:05 pm -
Have you considered a simple web search for this? ...
from the Operations department...
Compressor Extraction Optimization (Ejector)
Topic: Engineering and workplace issues.
Posted by William on 2 July, 2009 - 1:33 am
Refitting GT 9th & 13th pipe work for Cooling Optimization
from the Forum department...
S7-300 S7-400 data words/ I/O transfering.
Topic: PLCs and related questions.
Posted by Philllip12 on 1 July, 2009 - 8:48 pm
Send status from one PLC to another via net Profibus.
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