why we are using drum level control valve air to close?
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why we use by pas on a positioner? When can a by pass be not used on a positioner ?
what is the resource block mode in foundation field but ? what is advantages for this
working principle of lvdt?
How we will check whether the proximity, which we have is either NPN or PNP, if no data sheet or manual or any details is available to us ???
How to define the size of control valve?
what is temperature compensation?
how can use ram
what is dc moter.
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what is the deferance between LCN and UCN.
which one is best profibus or RS485 for communication?
I am new in work for 1 of our project we have some instrument in BOM including Pressure, Temp. and so on, I also noticed some objects like pressure switch process HOOK UP; which I don't know what does "HOOK UP" mean here.
how can we tune a PID. If it is by zeiger nichols method..please explain briefly with help of an example.
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