Answer / kesava reddy .g

Normmally PLC is Programmable logic controller used to
automate the process / machines to reduce manual
interactions and to increase the productivity and quality.

Answer / achyuth

PLC is a Programmable logic device which is connected to the field instruments for controlling and monitoring using certain languages like LADDER LOGIC, FUNCTIONAL BLOCK, STRUCTURED TEXT, INSTRUCTION LIST, SEQUENTIAL FLOW CHARTS.

draw the block diagram of a level transmitter ?

0 Answers   Hira Group, Samsung,

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what is the difference b/w normal thermocouple and skin type thermocouple?

1 Answers   Heisco,

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Why any transmitter signal is 4-20 mA only Why is started from lower range 4 mA and upper range is 20mA.

5 Answers   Edac,

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What is protocol ?

3 Answers  

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What is pressure,What is temperature,What is flow,What is level

4 Answers   Keltech, Petrofac,

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in plc source and sink meaning?

1 Answers   CGL,

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1.what is beta in control valves? 2.what is the condition followed by light in LASERs? 3.1kg/cm2=?psi 4.Integral action reduces what? 5.about vena contracta 6.a simple RC circuit 7.thermistor material's temp coefficient of resistance 8.if wave passes through the thicker area of a chord to a thinner area what changes will occur to wavelength? 9.if 4-20 mA represents 0-10 kg/cm2 what will be the current when pressure is 5 kg/cm2.................

0 Answers   Lurgi,

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how the transmitter send MA?

1 Answers  

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Define magnetic flow meter and mass flow meter.

1 Answers   Ramco,

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why use 4-20mA in the field of instrumentation?

8 Answers  

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what should he know if he is an assitent engineer instrumentation in cement industries of experience of 10 - 15 year.

0 Answers  

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The Design Calculation of Level Transmitter For Different Structure open & Closed Vessel, Eg. Diff. Level Tx., Capacitance For Continous Operation

0 Answers   Reliance,

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