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PLC (Programmable Logic Controller)

Table of Contents:

Written By: 

Rose Mary
  • PLCs can be programmed easily which can be understood clearly well.
  • They are fabricated to survive vibrations, noise, humidity, and temperature. 
  • The controller has the input and output for interfacing.
  • It is a tedious job when replacing or bringing any changes to it. 
  • Skilful work force is required to find its errors.
  • Lot of effort is put to connect the wires.
  • The hold up time is usually indefinite when any problem arises.





nice short but sweet

thank were  thes niseeeeee 

plc rocks,..just one click,then everything's undercontrol....

I dont think So >>>>

can anyone gie weight of the plc

wow keep Up I was wondering what is a PLC from a time thankz

Pls give information about How to programming of PLC through Controller using seriel Prot....

PLC can be programmed via usb port


This is not a PLC image
Image shown above is a HMI not a PLC. 

My dought is cleard

very informative

i am kama l kishor

The picture shown over there is an HMI not PLC.

Easy to understand.


Controlled many fouction in one time

Useful content.

For more detail about PLC CLICK ON

We need more data for interview

great work 



Nice pdf sir ,so much thinks ,vv simple language is easily understood
First of all thanks to explain in proper manner. i am so great full to is very nice explanation.

very simple & easy to understand


Its a very imformative notes about PLC. We can get a overview of PLC controller. Nice job friend.and keep it continue. Post more imfo about PLC and scada as well. Well done .

Thank you for providing such a good information

i wish it have more in-depth explanation tho

i wish it have more in-depth explanation tho

This is good work
I think its I/P SECTION instead of I/O SECTION


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