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Charge, electricity and magnetism

In general, a Control System is a collection of electronic devices and equipment which are in place to ensure the stability, accuracy and smooth transition of a process or a manufacturing activity.

PLC Programming by OMRON
PLC Programming by OMRON (photo credit: Rajvir Singh via Youtube)

It takes any form and varies in scale of implementation, from a power plant to a semi-conductor machine. As a result of rapid advancement of technology, complicated control tasks accomplished with a highly automated control system, which may be in the form of Programmable Logic Controller (PLC) and possibly a host computer, etc.


The Role of the Programmable Controllers (PLC)

In an automated system, the PLC is commonly regarded as the heart of the control system.

With a control application program (gored within the PLC memory) in execution, the PLC constantly monitors the state of the system through the field input devices’ feedback signal.

It will then based on the program logic to determine the course of action to be carried out at the field output devices. The PLC may be used to control a simple and repetitive task, or a few of them may be interconnected together with other host controllers or host computers through a sort of communication network, in order to integrate the control of a complex process.

Title:PLC Programming by OMRON
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PLC Programming - OMRON
PLC Programming – OMRON

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12 Comments


  1. PAUL NDUATI KAMAU
    Dec 06, 2020

    how can i learn about plc in class and not online? what is the cost for the course? are there certificates issued?


  2. PRASHANT
    Mar 09, 2016

    Hey! I’m EEE final year student. I’m working on the project “Automation of power transmission/distribution ( by PLC and SCADA). I’m actually confused now how to execute this idea.
    could you please provide me some stuff regarding this?


  3. nwambe nonso
    Feb 29, 2016

    Please I want journals on transmission line protection. distance relay protection, overcurrent and earth fault protection of 132kv transmission lines. Thanks


  4. siavash kh
    Feb 28, 2016

    I can not download it. could you check it please?


    • Edvard
      Feb 28, 2016

      Hold on, I’ll fix it now. Come back in 10-15 minutes :)


    • Edvard
      Feb 28, 2016

      Fixed, try now :)


  5. JESUS HERRERA
    Mar 04, 2015

    Thanks for the file, if you have more guides about other brand of PLC that will be very useful


  6. tanveer alam khan
    Nov 27, 2014

    Programing Logic control


  7. Luis Nuñez Garcia
    Sep 17, 2014

    have you guides in spanish? Please


  8. M.Adnan Sarwar
    Jul 21, 2014

    Very Informative for PLC Basic Knowledge


  9. kuldeep singh kushwaha
    Jul 19, 2014

    Good thing


  10. premalminal
    Mar 29, 2013

    the link is not found…
    Why such happens….

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