what is plc? Basic function of plc? application of plc in
industry? What is lader diagram ? What is the main advantage
to use plc in industry?
- 15 Answers
- 102062 Views
- Schlumberger, I also Faced
- E-Mail Answers
Answer Posted / eswar
Plc is a simple computer which used for automation of real
world processes such as controlling of machinery in a industry.
Plc is a microprocessor based device with input and output
circuitry that monitors the status of the field connected
"sensor"inputs and controls attached output"actuators"
according to user created logic program.
application: maintaining the water level in a tank between
two float switches by controlling the electric valve.
Ladder diagram is a language which composes of program using
a relay logic symbols as a base in an image similar to a
hardwired relay logic sequence.
advantages
flexibility,pilot running,space efficiency,correcting
errors,visual observation
| Is This Answer Correct ? | 337 Yes | 21 No |
Post New Answer View All Answers
what is the current pay package for an instrumentation engineer having 2 years of experience in cryogenic technology???????
What are the uses of orifice plates?
A flange is used for instrument connection for a system with a design temperature of 316C (600F) and a design pressure of 1000 kPa (145 psi). What is the class rating of the flange to be used for this application? Explain your answer
What are the error values can accepted in flow transmitter calibration?could u give any formula for this?
detail of mass flow meter pricipal
I m appointed as an automation trainee engineer in small firm in that I am only the one , my company give me a project on s7-200 as i m beginner I don't know how to program so please send me the helpful site so that I complete my project before deadline....please help me out in this critical situation.
Punj lloyd is coming in our Jadavpur Universtiy campus for campus placement. Please send me some hints about the writtend exam. My email id is subratafriends@gmail.com
What is furnace draft control?
how many pulses are required by a ac induction servo motor of 4 poles with 50 Hz frequency to rotate by 1 degree?
what is diffrance between FF & SMART, explain with difination
how to calculate range of level transmitter?
Explain the key components of control loop?
in differential pressure transmitter,min&max pressure range for hp&lp
applications of plc in printing and packaging?
please someone tell me what is function of vibration sencer and how many types and how to control viberation.please. my id is jimmykhan077@gmail.com
