Answer / piyush sakalle

The PLC communication also called as BUS system is responsible for transmission of signals from processor/cpu/memory to input/output modules.
ADDRESS BUS, DATA BUS, CONTROL BUS are the main signal lines of plc communication.

Answer / paresh

PLC STANDS FOR PROGRAMMABLE LOGIC CONTROL.SO ITS PROGRAMMABLE
LOGIC CONTROL COMMUNICATION

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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1 How to calculate dp transmitter steam and water? 2 impulse line for liquid steam and gas

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1 Answers  

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What is the role of Integral in pid control?

6 Answers  

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what are the standards used for earthing instruments in the field?

1 Answers  

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why we use 250 ohms across HART CALIBRATOR DURING CALIBRATION OF TRANSMITTER

4 Answers  

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In most process, speed of motor controlled by control system with a reference pot . Now if i start & it becomes uncontrollable, i.e.gets directly start & stop after certain time.Then which reasons can make such problem? can motor may be faulty?how?

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How to calculate the range of level transmitter?

4 Answers   Wika,

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Explain " FAIL SAFE " feature in temp. measurement.

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