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

Explain about P&ID diagram?

3 Answers   Technip, Toyo Denki,

how many mmwc are eual to 1kg/sq.cm & can we calculate mmwc into tph?

2 Answers  

plz send me general of ongc

0 Answers   ONGC,

Why we used cage in control valve?

8 Answers  

How to connect PLC to DCS ?

2 Answers   Alkyl Amines,

Why 4-20mA SIGNAL IS PREFERRED OVEA A 0-10v signal?

5 Answers  

this site is owned by an nonsense

0 Answers   Bhel, Prolific,

i want to Measure the Difference pressure of Packed distillation Column of height 3 mtr. h.p. side connected to bottom & L.P. side connected to the top , so tell me what will be THE URV & LRV of that D.P. transmitter?

5 Answers  

Definition of level

3 Answers  

Absolute pressure is 700psi,what will be the gauge pressure?

1 Answers   IFFCO,

why does a transmitter o/o signal starts from 3-15psi or 4- 20mA?

11 Answers  

I want to take temp. data from recorder to computer. Which communication system is best from this option(Rs 232- 485/ethernet/USB)?

3 Answers