1) what is PLC ?
Ans:- PLC stands for Programmable Logic controller. PLC is a device that is used to automate industrial process such as manufacturing plant, waste water treatment, ore processing plant. PLC specially designed for operate under Harsh industrial environment.
2) What is fix PLC ?
Ans:- It is a compact PLC in which there is no modification can be done, in other words we cannot add more input and output according to our requirement.
3) What is modular PLC ?
Ans:- In this PLC modification can be done, we can add input and output as per our requirement.
4) How how AC input module ?
Ans:- 80 to 115 volt
5) How much DC input module ?
Ans:- 24 volt
6) How much Analog input module ?
Ans:- 20 mV (milli-volt)
7) What is automation ?
Ans:- The automation means, automatic manufacturing without human control.
8) What are advantage of PLC ?
Ans:- a] Less wiring
b] More flexibility
c] Lower cost
d] Faster response time
9) What are the elements of PLC ?
Ans:- a] Input Module
b] Output Module
c] Power Supply
d] Processor
e] Programming Device
10) Application of PLC ?
Ans:- a] Food processing Industry
b] Traffic light control
c] Chemical Industry
d] Steel Industry
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