Answer / er. kumar kamble

[1]it is microprocessor based controller with multiple



-digital i/o,-analog i/o,-timer,-counters,-memory flags,-data registers
arithmetical formulas....etc.[2]basic function is control critical electrical circuit very easy with less electrical wiring[3]PLC used in all type of automatic equipment,eg.Robotics[4]ladder diagram is one language to create programme in PLC.[5]reduce rejection in production,accuracy in products,less maintenance,less man power,easy maintanance.

Answer / ajay

PLC is the industrial computer control system that continuously monitors the input devices and makes decision base upon the custom program to control the output devices.

Ladder logic is the one type of languages which in plc's are using, In ladder logic we can make the program with combinations of inputs & outputs.

Its advantages is ,
-Improve the manufacture of products
-Total control in manufacturing
-Makes it easy to work with in Difficulty & hazardous environment.
-More reliable
-Improve quality of the products
-Save labor & energy.

Answer / suhel zaidi

PLCs are highly reliable, easily programmable,  Small and Inexpensive, PLCs can be designed with the communication capabilities so they can converse with the local or remote computer, They can sustain in robust environment  less maintenance.

Answer / abhinav

Plc is a industrial computer which is take instruction by programming and control the industrial machine

Answer / bharath

it is used in car parking appartment.
when the sensor is fixed at perticular place,then the car
parks that place then the sensor connection should be
disable.it is used to known, how many cars parks per day.
so in this method is used in car parking appartmen.

what is protonics how it is differ from electronics

1 Answers  

what is gas metering system? gas chromatograph? and gas compressors?

0 Answers   HPCL,

Describe the concept of Gain Scheduling, as currently found as an option in some controllers.

1 Answers  

What is exact difference between the panel earthing and system earthing in DCS system. What is the value of resistence.

0 Answers  

What will the new flow factor if D/P Transmitter is RE-RANGED from 25" WC to 50" WC

3 Answers   ADMA OPCO,

What is input and output of vaiberation transmitter and what is its unit.

4 Answers   SMH,

A motor is taking 15 Amps at no load and 60 Amps at full load. and a valve has to open 10% at full load and 80% at no load. How to draw ladder logic.(PLC).

2 Answers  

what is the formula for calculating milliampere at different pressure points for eg 4-20 ma = 3-15 psi but if i have to check the ma at 4.6 ma?

4 Answers  

What is Cavitation?

2 Answers   Gujarat Borosil,

hydrogen purity meter calibrating and commissioning procedure can be explained?

1 Answers  

what is function of vibration, and how is it work, explain with difination

1 Answers   Bapco Bahrain Petroleum Company,

how many type of plug are used in pneumatic control valve,name them.

2 Answers   Godrej,