from the Forum department...firing temperature calculation
GE gas turbine firing temperature calculation
GTT, I did not get a chance to download the file. I've since been told there is a newer revision...
By GTT on 3 March, 2014 - 3:27 pm -
Dear CSA, I want to know what was reply (later on to the question) of this message. I don't see...
from the Automation List department...Control valve positioner
I would like to know the operation of positioner.
By Safar on 2 March, 2014 - 9:57 pm -
One problem i'm facing calibrating with DVC6200 is when the valve is set to fully closed, there are...
from the Forum department...Programming Language for Modbus + HMI
Which language is best to learn for making windows applications to view/trend/make HMI for modbus signals.
By pvbrowser on 28 February, 2014 - 11:23 am -
> (A) Sounds like a job for pvbrowser. Thanks for hinting to our project. In pvbrowser you...
By James Ingraham on 27 February, 2014 - 10:08 pm -
(A) Sounds like a job for pvbrowser. (B) If you really insist on writing it yourself it...
By Mark on 27 February, 2014 - 7:07 pm -
Hello, Maybe it is the cost/feature set that has you against a commercial HMI. I assume your...
By Harvard on 27 February, 2014 - 3:33 pm -
I was faced with this same question many years ago and I elected to write I/O DLLs via Visual C++...
from the Contactor Evaluation department...Which contactor brand?
How would you rank side by side the main contactor brands?
By James Ingraham on 27 February, 2014 - 10:19 pm -
Contactors could be used as a perfect example of a commodity in an economics class. Eaton,...
By Curt Wuollet on 25 February, 2014 - 10:57 pm -
Any of the majors probably won't fall apart. I've been using Fuji and Eaton, two lower cost brands...
By Curt Wuollet on 25 February, 2014 - 10:10 pm -
From past experience, a lot of people know how to make relays. And those who don't have been...
By JEIC on 25 February, 2014 - 1:21 pm -
> I would ask in what way are the units you are using unsatisfactory and what brand are they? ...
By Steve Myres on 25 February, 2014 - 1:00 pm -
I've used AB, ABB, Telemecanique, and others, and they all seem to work OK if properly selected....
By Bob Peterson on 25 February, 2014 - 8:57 am -
I have used a number of different brands of IEC contactors. I have not noticed a lot of difference...
from the None department...Explosion proof loop in NEMA 4X junction box
Using an Explosion proof loop in a NEMA4x Junction box
No, not in the hazardous area....
By d- on 25 February, 2014 - 1:00 pm -
You must consult your local fire codes and determine the electrical area classification for the...
from the Instrument department...CS 3000 yokogawa error 11186
Can not download to fcs from cs3000 yokogawa.
By Mathew Varughese on 25 February, 2014 - 1:46 pm -
For me out of 7 fcs 3 got the same error code: 11186 and other three are ok. What are the root...
from the power department...AC Voltage Regulation Methods
How to control and regulate the output AC voltage?
from the Forum department...Converting a Siemens S7 PLC program
S7 300 plc and its programming.
By Gabriele Corrieri on 24 February, 2014 - 1:01 pm -
Hello everything could be converted to AWL (or STL) But not the inverse: you could convert...
from the Automation List department...SECS/GEM protocol driver
How can one go about developing a SECS/GEM protocol driver?
By Jesse Stone on 24 February, 2014 - 3:42 am -
thanks a lot man you are so good. > Please see and try my SECS/GEM program. >...
from the Automation List department...Any Volunteers?
I want to convince at least one leading PLC manufacturer or relabeler to at least cooperate with an effort to produce an OSS PLC programming toolset to run on Linux.
By Efried on 21 February, 2014 - 9:28 am -
> I want to convince at least one leading PLC manufacturer or relabeler to > at least...
from the Forum department...Changing Careers looking for advice
Please give me some guidelines that i am changing my careers from mechanical stream to instrumentation
As long as he doesn't take the plant with him ......
By Curt Wuollet on 17 February, 2014 - 1:10 am -
Let him crash and burn a few times, it cures that. Regards cww...
from the Forum department...Shallow Wastewater Flow Measurement
Flow measurement below 1 inch
By frank Sinclair on 14 February, 2014 - 2:04 pm -
Hi Mike, I am the President of Eastech Flow Controls out of Tulsa Oklahoma. Please go to our...
from the Forum department...Signal conditioner
200 mA input signal conditioner?
By Bill Schwarz on 14 February, 2014 - 1:09 pm -
Thanks that is what I am looking for....
The API 4300 G spec sheet says it has an input range up to 900mAdc and a selection of conventional...
By Alan Balcombe on 13 February, 2014 - 1:05 pm -
Easy - assuming this is a dc circuit and you'd like an isolated dc output - put a low value...
from the Forum department...Sample code for MODBUS TCP
MODBUS TCP client coding
By santosh on 14 February, 2014 - 7:51 am -
Please contact to my mail, I can help you out in this. Santosh Kubasad ...
from the Maintenance department...Prevent coking fuel oil nozzle
Found nozzles some particles like coking material in the fuel oil nozzle dip and caused exhaust temperature spread issue.
By Shabir on 12 February, 2014 - 1:14 pm -
Hi Normally this will be happen in Dual fuel machine cocking is major problem So for further...
from the Forum department...Modbus TCP to PLC using vb.net
visual basic code to write to a Schneider Premium PLC via TCP. The only problem is that i cannot read the response back from the PLC.
By Carlo on 5 February, 2014 - 9:37 pm -
My dll can do all of this and it's free. It's called Shortbus. Look up "shortbus modbus...
from the Forum department...starting an induction motor
calculate the starting current of an induction motor connected to a generator
Home... correction to earlier post: 400kW Genset is rated ~470 kVA if Power Factor rating is...
Home... The 400kVA gen-Set should be adequate to start the 200kW (~270 Hp) motor using a Soft-Start...
> 4) What system voltage, i.e., 230 or 400Vac? it's ac system. i wrote all the data on the...
Home... I neglected to ask: 4) What system voltage, i.e., 230 or 400Vac? Regards, Phil...
Home... 1) What is the Nameplate Inrush factor, kVA/Hp, of the motor? 2) What is the Motor...
from the Batch Processing department...Batch Processing
Comparing a Bluetooth interface to Ethernet in Batch Process applications
from the Final Control department...Solenoid Valve Sizing
If solenoid valve size will increase the operational speed of valve
By d- on 2 February, 2014 - 11:01 am -
to help refine the excellent responses you have thus far, actuator type and stroke distance, air...
By Steve Myres on 1 February, 2014 - 11:54 pm -
Several things affect actuator speed. Control valve Cv. Larger Cv will give you faster response...
from the Multivariable control department...State Space and Differential Equations
How to extract the C matrix from the output equation Y=cx.
from the Forum department...commercial Engine TURBOFAN 3 shaft
mechanism of 2, 3 shaft airplane engine
By JK on 31 January, 2014 - 10:10 am -
LP SHAFT mount within HP shaft for 2 spool...
from the Gas Turbine department...Gas Purge Valves
When Gas Turbine is running on Gas Fuel what happens if the gas purge valve opens?
By joey sumrow on 29 January, 2014 - 11:05 pm -
> A bit more information would be useful, Frame size, DLN or not. Simply you will get some...
from the Automation List department...Omron LSS software
Looking for the old Omron PLC programming software LSS (Ladder Support Software)
By MrPago on 29 January, 2014 - 1:45 pm -
> sss lss is available for download at > http://www.mrplc.com I there! Can you please...
from the Automation and Control department...Calibrating a pd meter for 2000 barrels
How can i calibrate a smith pd meter for 2000 barrels
from the Forum department...ControlWave -> BSAP IP -> Kepware Slow Update Time
Extremely slow update times with IFix SCADSA using Kepware BSAP drive and ControlWave PLC
I demoed the kepware bristol ip driver to migrate from the ifix BR3 Driver to the kepware opc. I...
from the EE department...120/208V or 277/480V.... huh?
what does it mean when something is rated 120/208V or 277/480V? What do the two numbers mean?
By jc on 27 January, 2014 - 6:24 pm -
> As for induction motors, they sometimes can be dual-tapped for both voltage choices. If they...
Why don't elephants eat penguins ?
Because they can't get the wrappers off ...