Recent content by Danfossegypt

I mean if i am calibrating a transmitter by a certified calibrator, when i can accept this transmitter and when it is not accepted and i will need to replace the transmitter sensor module

Dear Gents I need to know if there is any standard for accepted calibration tolerance for PT, Thermocouples,RTD,.... Best Regards

hello Gents. i had a what i think very simple question. i am designing a heater, the heater will finally have a plug like any apparatous, as you know the plug may have two position so, the 220 volt will be swapped to my heater,i.e i will get 220V instead of the neutral. what shall i do to...

hello engineers I have a workshop feeded from diesel generator and i will order a distribution panel and i have a question, shall i use double pole circuit breaker for the single phase loads?

hi everybody what is the difference between switchgear and switchyard?

use an .m file inside this file write x=2; so now x=2 when you use x inside the m file it is autmatically has the same value so if you write y=2x so y=4 is displayed so i think the answer of your question is to use m file not the command window of matlab because in command window every time you...

hello everyone i am working at a power station , and we have some jogging motorized valves(i.e motor is running as the command is available) our DCS package is FOXBORO backage, my question is how can i have this type of output and how this application is implementeed in other systems, our...

hello john thanks for your concern we use FBM of foxboro field bus modules , we have two redundant bus A&B, some times we have bus access error on both busses which lead to loose some data

hello guys, I really face a problem in Fieldbus of Foxboro DCS, failure of different busses happen. any recommendation?

hello engineers, 1- Do anyone know a good website which describe the standards of grounding, bonding& shielding? 2- is there any difference between grounding and earthing? 3- is shielding must be separate from earth?

hello engineers is there difference between grounding and earthing?

hello ronied i faced this problem before all you want to do is to initialize your controller and readjust the parameters again sincerly

use system1 software it is simple and very relaiable . http://www.bently.com

hello engineers, can anyone help me to find a book or any document to give me the laws of flow of liguids and gasses and the bassic type of pumps ?

hello engineers, can anyone help me to have principal idea about DCS system, i hear always about Modbus, Profibus, Fieldbus, Device net i want to know what is the difference.