why can't we use 5-20mA standard or some other instead of 4- 20mA?

6 Answers   Emerson,

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I have seen the Temperature element (T/C & RTD) installed in process line on 45 degree position, Why? What it mean? How many types of tapping position for temperature elements?

4 Answers  

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If boiler drum level transmitter is not working properly what you will do for resolving the problem in plant running condition?

2 Answers  

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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  

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How to Calibrate Vibration Probe (Axial, Redial) in field

0 Answers  

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can anyone tell me about the basic concepts to consider before to start a PLC panel wiring

0 Answers   ABB,

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In my company plc based winders are operated. one day there was a data transmission failure alarm shown on pc. as per sir instruction we have reset master plc but winders were not triped and alarm gone. so what master plc do?

0 Answers  

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What is the difference between rich gas and lean gas?

3 Answers  

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HOW DPT WORKS?

6 Answers   Essar,

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what sud u do if u dont get feedback from control valve?

1 Answers   Siemens,

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how do i calibrate mmwc pressure guage with out calibrator.if any? pls give me the ans.

1 Answers  

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What is the difference between conductive lined pipe and conductive unlined pipe? Why do we see that?

0 Answers   Process Control Technologies,

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