Answer Posted / maheshwaran

In inside the industry the temprature, pressure, voltage, current everything should be high, a normal microcontroller cant withstand these all things, so instead of that plc is used. The plc can withstand any temprature pressure anything, and also the plc can contain many number of inputs and outputs, and it can be expandable.

what is maxdna ?. explain about the software details.

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what is the criteria to decide conductor size of a cable ?

1928

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1. what is modbus cable? 2. what kind of communication we are using for the interface of DCS, ESD and Third party cabinets? 3. What is serial communication and peer to peer communication?

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dear sir we have insatlled positioner model no.sipart PS2 make Siemens at our control valves . now problem is if we want to increase the response of valve opening speedy /fast. what parameters do we change for positioner ? any idea. please guide us.

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Explain the difference between mmwc and mmwg?

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How to erection of DCS Panel at site step by step

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how can leve transmetter calibate in feild .and also put cv and flow plz .....

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Why trim span ? How?

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which type of filter gives the constant phase characteristics?

1964

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How an rtd work, and what volts/current goes to a rtd to measure the resistance?

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Questions on flow meters,few questions on HART protocol,

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1. For Steam drum level signal, why do we compensate with drum pressure signal? 2.For main steam Flow signal is comensated with main steam temperature signal and main steam pressure signal why?

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What is stripper & spilitter ? Diffrence in this.?

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A valve in series with an orifice plate (DP transmitter), is aligned for constant pressure in the pipeline, if there is an error dx, How to align it in process.

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What is first echo & echo window in radar type level transmitter?

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