Select Page: Previous 3 4 5 6 7 8 9 10 11 12 13 Next
Control.com topic...
Engineering
Topic: Engineering and workplace issues.
from the None department...
convert 4-20mA to 0-5volt!
Originally posted by leyla on 19 August, 2002 - 3:52 am
I want to convert 4-20mA (from a sensor) to 0-5Volt, but I don't know how...
New Replies:
kindly send me the circuit diagram too, my email address sella [at] mail.idsesb.com. my thanks...
Topic: Engineering and workplace issues.
from the Operations department...
Lube oil rundown tank filling line
Originally posted by Kolindrekar on 15 January, 2010 - 1:56 pm
I would like to know if its essential to have a bypass with flow orifice on the lube oil overhead or rundown tank filling line.
New Replies:
Hi CSA Thanks for your comments. Actually my post is about Lube oil rundown tank. Run down...
Hey; it was worth a try. We all have some unrelated trivia stored in our heads which can be useful...
Sorry - I plead ignorance on this one. I was a controls engineer on the Speedtronic controls in the...
GE-design heavy duty gas turbines usually use the bottom of the top of the L.O. Tank (i.e., the...
i am sorry nobody answer i think this reason for lube oil drain: if you have Heat exchanger inside...
sorry I didn't get your question. Can you put it in other words? It confusing "actual level...
please i have question about your topic why the lube oil tank level take the the actual level from...
Topic: Engineering and workplace issues.
from the Forum department...
Detroit diesel engine test procedure
Originally posted by ammar on 17 January, 2010 - 8:36 am
please help me in developing test procedures for detroit make diesel engines used to drive Frame-5 GE gas turbine.
New Replies:
Some further questions: 1. How often do you run your diesel engines (i.e. start-up your gas...
I would venture a guess that your engines are suffering from a lack of use. It takes several...
I thought this was the case; not original equipment failures, but failures of rebuilds. That wasn't...
Just would like further explain the reason why i am asking for a test procedure. The engine...
Many? Diesel engines don't typically just seize up. If you are having this problem, it is probably...
Before you keep seizing and rebuilding engines, have you found the cause of the seizure of your...
It all depends on what you, as the purchaser of the rebuild, define as...
Topic: Engineering and workplace issues.
from the Forum department...
convert from kilowatts to amps
Posted by stephen banda on 19 January, 2010 - 1:42 am
converting kilowatts to amps
Topic: Engineering and workplace issues.
from the Instrumentation department...
Speedtronic Error message
Posted by G.Rajesh on 18 January, 2010 - 11:02 pm
Frame-9E machine on shutdown for maintenance, gives message "No OST available"
Topic: Information resources, documentation.
from the News about software department...
News About An Embedded OS Evaluation Survey
Posted by M Griffin on 18 January, 2010 - 8:35 pm
A news report was published recently about a survey of which operating systems are used for embedded applications.
Topic: Engineering and workplace issues.
from the Robotics department...
Modbus Request Interpretation
Originally posted by Haiden on 18 January, 2010 - 4:22 pm
Modbus Request Interpretation
New Replies:
I think I have clue now. Register 989 is being read. Now I don't understand what '9EB2' is in the...
Topic: Engineering and workplace issues.
from the Automation List department...
IEC 62056-21 to MODBUS or DNP
Originally posted by Eduardo Wong on 13 September, 2008 - 1:28 am
I need help to convert from protocol IEC 62056-21 to MODBUS or DNP, it's for a thermoelectrical plant.
New Replies:
Hi, Gurux Ltd is offering Windows ActiveX component as open source. You can download it from...
Posted by LVM on 18 January, 2010 - 1:11 pm
SIL3 vs other standards
Topic: Communications systems and equipment.
from the INSTRUMENTATION department...
modbus communication
Originally posted by dinesh on 24 August, 2009 - 12:39 pm
I am using HMI and communicate with yokogawa (cs3000) through MODBUS (ACM12) card of 2-wire system. communication failure is happening with the sub-system.
New Replies:
A3B0 error is sub system communication error, the PLC/Slave device is unable to communicate with...
Topic: Power generation equipment control.
from the Instrument and control department...
Gas turbine maintenance
Originally posted by Dottey on 17 January, 2010 - 5:34 am
Gas turbine ratcheting
New Replies:
Are you saying you can't get any pressure from 88HR? Is this a DC motor-operated pump? What...
Topic: Engineering and workplace issues.
from the Forum department...
response time of RTD
Posted by Ayesha Nasser on 17 January, 2010 - 12:28 am
effect of response time of RTD with increase in thermowell diameter, especially in stepped type thermowell
Topic: Engineering and workplace issues.
from the Automation department...
Standard available for Control system retrofit
Originally posted by Shah on 15 January, 2010 - 11:09 am
Standards available for control system PLC/DCS retrofits/obsolescence of control system
New Replies:
This is the kind of thing that one pays a consulting engineer consulting engineering firm for, and...
When you find one, post a reference here. I don't believe there is one, but there should be...at...
Topic: PLCs and related questions.
from the DRAFTING department...
PLC Panels Drawings Software
Originally posted by SANTHIRAJ on 16 September, 2009 - 10:35 pm
choice of software for drafting PLC panel drawings and loop schematics
New Replies:
I too use visio. Microsoft visio is a great tool for any kind of Network or pivot diagrams. ...
Topic: Engineering and workplace issues.
from the Forum department...
Acceleration till 85% of THN
Originally posted by Antony on 15 January, 2010 - 6:01 am
At the last start up our frame V gas turbine reached 85% of speed (TNH) and it couldn't reach 100%
New Replies:
Your statement of the problem is too vague to be of any useful information. First the term...
You don't provide enough information! Has this problem occurred before? What was the LP shaft...
When did the problem occur: After a maintenance outage? Were any LVDTs calibrated during the...
Topic: Power generation equipment control.
from the Forum department...
Wind turbine control system
Originally posted by Brian Mullen on 19 November, 2009 - 11:15 am
What do you use PLC or DCS to control wind turbines?
New Replies:
>I was wondering could somebody shed >some light on the control of wind >turbines....
Topic: Engineering and workplace issues.
from the Power Plant department...
Gas Turbine
Originally posted by IPMC on 9 January, 2010 - 1:54 am
Back power during synchronization of gas turbine and gas engine
New Replies:
Does the situation occur before synchronization, while synchronization or after synchronization?...
Great response, M M Ahsan. Just to clarify, "back power" is usually called reverse...
When generator terminal voltages are equal to the grid or to the other generator(s) it is being...
Topic: Engineering and workplace issues.
from the Electronics department...
Modbus Protocol ASCII
Originally posted by winses on 12 January, 2010 - 5:11 am
Help in Modbus Protocol Frame RTU and ASCII???
New Replies:
Hi, Modbus provides a rich set of functions by which it is possible to read values from PLC...
You can do that with the OPC server for Modbus. It supports all data types. It comes also with a...
Are you developing the software to communicate with the PLC? if so, maybe you can find more details...
Topic: Open interfaces, software and hardware
from the Process visualization for MRUs department...
OPC server for York YCIV chillers (MRUs)
Originally posted by Seth on 13 January, 2010 - 12:20 pm
Our plastics manufacturing plant is installing a York YCIV MRU in the near future and I want to know what my options are for using OPC to monitor process conditions.
New Replies:
Hello Seth, What protocol exactly do your devices speak? If it's Modbus then you can use the OPC...
Looks like the default configuration is for a plain language or ASCII output of data. You could use...
Topic: Engineering and workplace issues.
from the Operations department...
Gas Turbine Exhaust temperature V/S load
Originally posted by Bhagavan on 7 December, 2009 - 8:19 am
GE7FA gas turbine, GT at part load operation exhaust temperature is maintaining high-650 deg.c
New Replies:
If the gas turbine is working in combined cycle mode then it is desirable to have high exhaust temp...
Topic: Engineering and workplace issues.
from the Engineering department...
Using IS Barriers with general purpose encoder
Originally posted by Rob V on 13 January, 2010 - 11:49 am
I have an issue with an encoder company stating I cannot apply IS Barriers to their devices.
New Replies:
The manufacturer probably doesn't feel happy enough to declare the encoder as being "Simple...
Topic: Communications systems and equipment.
from the Electronics department...
Developing firmware to support Modbus Protocol
Posted by Maphil on 12 January, 2010 - 11:00 pm
Developing firmware which need to be communicated to a PLC which support modbus
Select Page: Previous 3 4 5 6 7 8 9 10 11 12 13 Next
 
 

Your use of this site is subject to the terms and conditions set forth under Legal Notices and the Privacy Policy. Please read those terms and conditions carefully. Subject to the rights expressly reserved to others under Legal Notices, the content of this site and the compilation thereof is © 1999-2010 Nerds in Control, LLC. All rights reserved.

Users of this site are benefiting from open source technologies, including PHP, MySQL and Apache. Be happy.


Fortune
Diplomacy is the art of saying "nice doggy" until you can find a rock.
Advertise here
Advertisement
our advertisers
Help keep our servers running...
Patronize our advertisers!
Visit our Post Archive