Answer / vibhash kumar(voith)

Because our maximum electronic components working in the range of 1 to 5 VDC.250 omhs is suitable for the both 1 to 5 V and 4 to 20 MA.through the omhs law.if we will take 4mA it will for 1vdc and 20 mA for 5 vdc( V= IR).we are not using in field because AI 250 mA already contains.so we have no need in field.

why temperature transmitter is showing ambienttemp.but 21.5ma. alarm AO showing at the display &how to sloves this problem.

2 Answers  

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Where we r using split range and ratio controller?

1 Answers   EID Parry,

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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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how we can calibrate an Interface level transmitter online

2 Answers   L&T,

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how to check diode wheather it is working or not by using multimeter?

3 Answers  

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Why grounding is necessary? Give example with diagram.

0 Answers   Bright Point, DS Group,

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what is the advantage of submersible level transmitter compare to ultrasonic level transmitter?

0 Answers  

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can anybody tel me how a vfd or any field instrument communicates/interface with plc/scada/cs.

0 Answers   Honeywell,

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hey any one got the papers of SAIL and HPCL plz do help me by posting them to my mail ID's naren07_87@yaho.co.in, surenarendra@gmail.com

0 Answers  

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what is isolation Transformer???...

3 Answers   Emerson,

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what is function of DCS , and how is it work , explain with difination

1 Answers   Bapco Bahrain Petroleum Company,

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I am working in a process industry, in that there are several sections devided in the SCADA screens and individual sections may START independently. But sometimes i am facing problem i.e, if section 2 Stopped by the operator immediately Section 1 or Section 3 or Section 4 is getting stopped can you expain the reason behind this?

5 Answers  

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