why to use 3 wire at RTD ? what's the reason for common wire ?

4 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 connect field devices to PLC and DCS using a FIELD BUS, DP,MOD BUS(please tell me any extra interfce or adopters need in this case if we use remote i/o s)

3 Answers  

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a laways iface problem with brine level transmitter sealing diaphram a laways giving error and maximum reading i made re range and adjust with side glass but during commission it giving gap reading between it and side glass i need help from expert to explain how to calibrate it. note:dp transmitter yokogawa company

1 Answers  

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Linear amplifier.

0 Answers   CCIE,

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How to calibrate the control valve.

1 Answers  

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What is profibus?

0 Answers  

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What is Process portal A(PPA)?

1 Answers   ABB,

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What's the Installtion procedure of DP Transmitter for Gas,steam and water?

2 Answers  

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what is Mv with respect to temprature in thermocouple

2 Answers  

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Can we use mov instead of esdv Explain the reason

1 Answers   KOC,

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DCS marshilling Cabinet Power supply can be replace during plant running time?

1 Answers  

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