What are the two program execution modes of PLC?

4 Answers  

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Please explain about FAT? What is the difference between FAT and SAT?

6 Answers   IBM,

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Give me best instrumentation Books name..Ple...

6 Answers  

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WHY THE DEGREE OF VALVE PLUG AND VALVE SEAT IS SLIGTLY DIFFERENT I CONTROL VALVE TRIM DESIGN

0 Answers  

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flow transmitter formula?

0 Answers   BEMCO, Siemens, Yokogawa,

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generally transmitter power supply having some range(12v to 35v) but the out put(4-20 mA) must same for given input.If we vary the power supply voltage then output mA also to be change according to V=IR. Is there any voltage regulator in the transmitter ?

1 Answers   Indian Steel,

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Can a pneumatic control valve work without positioner?

4 Answers   SMC,

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what is the working principle of dis-placer type level transmitter

1 Answers   Sendan,

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how the 4 to 20 mA signal goes to any controller/indicator,and what is the role of voltage ,12/24 and how to do connection of it, in controller.

1 Answers  

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Why do we go for 4-20mA? why not other standara?

6 Answers  

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If you calibrate a pneumatic pressure transmitter, how many adjustments are normally necessary or mandatory?

1 Answers  

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Why Bently Nevada use negative voltage for vibration probes?

4 Answers  

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