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Control.com topic...
Engineering
Originally posted by Stzatzop on 17 September, 2008 - 2:26 am
Exciter EX2100 code 53 alarm and transfer blocking
New Replies:
we also experienced similar issue at our power station for the EX2100. as per Ge recommendation we...
Topic: Continuous process industries, DCS questions.
from the Instruments & Control department...
Process Safety Time - SIL
Posted by MSalem on 18 March, 2010 - 4:52 am
Process Safety Time Consideration -SIL Verification exercise
Topic: Engineering and workplace issues.
from the engineering department...
what is the output of RTD?
Originally posted by nik patric on 16 March, 2010 - 1:56 pm
the output of RTD and thermocouple
New Replies:
The output of RTD is variation in Resistance. The output of Thermocouple is millivolts....
www.google.com www.omega.com www.wikipedia.org ...
Topic: Power generation equipment control.
from the Maintenance department...
MK VI Toolbox
Posted by peeribal on 18 March, 2010 - 12:47 am
What is the major difference of MK VI Toolbox and MK VIe ToolboxST
Topic: Application Questions and Problems
from the Project department...
Junction Box Signals
Posted by chaitanya on 17 March, 2010 - 10:43 pm
placing both dcs and plc signals into one Junction box
Topic: Engineering and workplace issues.
from the Projects Department department...
Selecting a metering pump
Originally posted by James Bond>>>>>>>>>> on 16 March, 2010 - 6:24 am
Water Project... Metering Pump which PID to use
New Replies:
See this post ... http://www.control.com/thread/1234438132#1235555966 Rob www[.]lymac.co.nz ...
Topic: Continuous process industries, DCS questions.
from the Control department...
LOW FLOW, HIGH VISCOUSITY
Originally posted by MAZ on 17 March, 2010 - 6:10 am
Need a flowmeter used for high viscosity chemical dosing
New Replies:
Heat trace and insulate the source (tank of dispersant), the feed lines to the pump, the pump...
Topic: Engineering and workplace issues.
from the Process Control department...
Function Block Programming
Posted by Junior on 17 March, 2010 - 1:00 pm
Various modes in Process Control.
Topic: Engineering and workplace issues.
from the INSTRUMENTATION department...
C CODE Help
Originally posted by POWERPC440EP on 12 March, 2010 - 1:55 am
C Code for enabling serial port in powerpc440ep
New Replies:
There aren't any hardware related problems. I can assure you that serial ports on Linux work...
TA> i have enabled timers and now i should communicate the system from pc using serial port ...
This class for serial communication works on many different operating systems. ...
I assume you are using Linux or something similar. Just type "linux serial port c code"...
What OS? Whose board? These are more important than which uP. I would assume Linux as it is far...
Topic: Continuous process industries, DCS questions.
from the AUTOMATION department...
Best practice for flow measurement
Originally posted by DAVIDRAJ on 16 March, 2010 - 3:16 am
For certain flow measurement what would be the best practice
New Replies:
For water applications, I usually place the control valve downstream of the flowmeter, because in...
There is no matter to used control valve or flow meter because both are in series loop. But mostly...
Topic: PLCs and related questions.
from the Instrumetn and control department...
MARK II ITS
Originally posted by maurick on 16 March, 2010 - 11:18 am
What stands for "ITS" (MARK II ITS)
New Replies:
ITS - Integrated Temperature Sensor It was a digital, microprocessor-based control system module...
"ITS" stands for Integrated Temperature System. It included exhaust temperature control,...
Topic: Engineering and workplace issues.
from the Instrumentation department...
Fire Resistant /Flame Retardant Cables
Originally posted by Srinivas on 29 December, 2006 - 9:44 am
What type of cable can be used for Gas Detectors in Zone 0.
New Replies:
Flame retardant (FR) or FRLS compounds are not suitable for building wires for the following...
Topic: Engineering and workplace issues.
from the Automation List department...
positive-break vs. force-guided contacts
Originally posted by SWright on 22 November, 2006 - 2:55 pm
Is there a difference between contacts described as positive-break and those described as force-guided?
New Replies:
A major difference is that Positive Opening Action contacts can open a contact weld, or other...
Topic: Software, including programming, OS issues, etc.
from the Irrelevant Affairs..errr.. R&D department...
Plant Model/ Transfer Function for PID loop code
Posted by fubijar05 on 15 March, 2010 - 3:57 pm
Once a plant model is determined and a transfer function defined, how does that translate into actual code for a PID loop?
Topic: Engineering and workplace issues.
from the Forum department...
Pricing of DCS systems
Originally posted by Amit Anand on 11 March, 2010 - 6:23 am
How does a vendor reach the final pricing of a particular service for DCS and for a whole service contract?
New Replies:
Thanks a lot Sudeep. The % of list price may vary from 5% to 30% for support services (if I am...
Normally, they look the list price of the hardware at the installation. Even if they sold at 50%...
Topic: Application Questions and Problems
from the Instrumentation department...
Pressure Hookup
Posted by arfp on 14 March, 2010 - 10:10 am
Any provision to consider for connection of stainless steel tube of instrument tap to carbon steel block valve?
Topic: Power generation equipment control.
from the Operations department...
Forced cooling
Originally posted by IBH on 12 March, 2010 - 8:41 am
Can we force cool a single shaft
New Replies:
You need to get procedure and recommendations from GE. This would likely involve operating the unit...
Topic: Application Questions and Problems
from the Forum department...
Controls problem
Posted by James on 12 March, 2010 - 4:55 pm
Need some help with a controls problem...
Topic: Computers in manufacturing; also hardware discussion.
from the Automation list department...
question on Foxboro alarms
Posted by Mina Andrawos on 12 March, 2010 - 1:08 pm
Need help in finding a way to read alarm messages from the foxboro dcs using my application
Topic: Continuous process industries, DCS questions.
from the Can Modicon quantum be considered as dcs department...
PLC versus DCS
Posted by gvr73 on 11 March, 2010 - 5:55 am
Can Modicon quantum be considered equivalent to DCS of honeywell HC900, Siemens PCS7, ABB 800F, Yokogawa cs3000
Topic: Power generation equipment control.
from the Engineering department...
About Woodward's Sonicflo Gas Control Valve
Originally posted by jie cui on 8 March, 2010 - 3:46 am
Want to know the max flow capability of Woodward's Sonicflo Gas Control Valve 3 inch , 4 inch and 6 inch
New Replies:
Thanks very much for your answer....
Great question for Woodward Governor Co.! They are usually very helpful. You may even find a...
Topic: Local and wide area networking in factory automation.
from the Forum department...
Communication between GC & DCS
Originally posted by Hemant Rathod on 10 March, 2010 - 6:11 am
How to communicate between Yokogawa GC 1000 and DCS ? Proto- RS 485 modbus
New Replies:
DCS is from Invensys, please advice complete solution with gcmain software also...
please mention which dcs you are using. further as GC can share only calculated data and not the...
Topic: Engineering and workplace issues.
from the Operations department...
Biased Differential Protection
Posted by speedtronic on 10 March, 2010 - 12:48 pm
how to read relevant graphs/curves mentioning trip & no trip zone
Topic: Engineering and workplace issues.
from the Renewable Energy department...
Renewalble Energy
Posted by Gibbi Jallow on 10 March, 2010 - 7:32 am
Let us talk about renewable energy over conventional power
Topic: Human-Machine Interface and SCADA.
from the I need help from smart, experienced ppl department...
Big screen monitor for SCADA system
Posted by MAV Jr on 9 March, 2010 - 11:03 pm
need suggestions for an inexpensive large screen display monitor
Topic: Engineering and workplace issues.
from the Forum department...
Characteristic Impedance
Originally posted by electrics on 9 March, 2010 - 8:12 am
want to learn the relation between characteristic impedance and magnetic field density
New Replies:
Electrics are you interested in comparing electrical and magnetic circuit parameters, that is,...
Topic: Motion control, servos, steppers, etc.
from the Im seriously new department...
Using a normal electric motor in reverse?
Originally posted by Leon Junlay on 9 March, 2010 - 4:55 am
Using an electric motor in reverse? or how to turn a centrifugal rotating disc into usable 110 or 220V power?

New Replies:
There's precious little difference between a motor and a generator, which what you're asking about,...
Topic: Software, including programming, OS issues, etc.
from the Engineering department...
Electrical CAD
Originally posted by Hilario Fochi on 22 May, 2000 - 10:30 pm
Need urgent help with Electrical CAD.
We want to identify a reliable company who needs representation in Brazil.
New Replies:
Hi, try cofaso at http://www.cofaso.com Regards, Jeff...
Topic: Power generation equipment control.
from the Forum department...
voltage or Q control mode for GTGs
Originally posted by kaushik on 7 March, 2010 - 1:30 am
Which modes shall be selected- Q control or voltage control, if GTGs are running in parallel with GRID
New Replies:
You can run your generator any way you like, or any way you are required to run it by the grid...
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