Answer / abdus sattar mollah

PLC stands for Programmable Logic Controller,& PC stands
for Personal Computer.
PLC is a speciliased PC that has been devoleped to
control industrial machineries and process only.
PLC is more robust than PC.
PLC works on ladder logic but PC runs on OS.

Answer / sumalatha

plcs are used in industrial aplications and pcs are used in
general environment

Answer / himanshu jaiswal

plc is used only industrial purpose while the pc is also used for entertenment and persnol works.

Answer / shamsher

plc comes with no. of input output modules and control various field devices while pc dont have enomorous i/o.

Answer / vikash rawat

plc have no seperate memory and pc have seperate memory

what is interface level and how it is calibrate?

0 Answers  

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1 Answers  

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Identification of ss fittings, pilot valves, relief valve.

0 Answers   CCIE,

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what is Potential free contact? where it is used?

3 Answers   Engineers India Limited,

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Please explain for RS 485 & RS 232 communication

1 Answers   Honeywell,

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How to calibrate radar lt type transmitter

1 Answers   NTPC,

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i/p converter always for supply pessure from 3~15 psi only !! And from where this converter bleed the air.

2 Answers  

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pls tell me whethere flame proof HMI's are available or every HMI is manufactured by considering flame proof standard.

3 Answers  

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What are the type of bonnets in the control valves?

0 Answers   CCIE,

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How a oxygen sensor & analyzer work at boiler or furnace, what’s the principle & science is beyond this, How O2 sensor scene & convert signal & move toward analyzer & analyzer show reading in percent?

1 Answers   GS Engineering Construction, KNIC,

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how u calibate pr tx without master tx?

2 Answers  

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Identify the electrical variable that is either directly or inferentially used by various instruments to determine the value of a measured variable.

4 Answers  

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