#basic guide plc

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PLC Operation | Basic Guide to PLC (Part -2) | PLC Manua

PLC Operation | Basic Guide to PLC (Part -2) | PLC Manua

PLC Operation | Basic Guide to PLC (Part -2)

PLC Operation. Previous Post:  Introduction to PLC (Part -1) | Basic Guide to PLC | PLC Manua

Input Relays: These are connected to the outside world. They physically exist and receive signals from switches, sensors, etc. Typically they are not relays but rather they are transistors.

Internal Utility Relays: These do not receive signals from the outside…

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[engineeringdiscovery]

Introduction to PLC (Part -1) | Basic Guide to PLC | PLC Manua

Introduction to PLC (Part -1) | Basic Guide to PLC | PLC Manua

Introduction to PLC (Part-1)

  What does ‘PLC’ mean?

A PLC (Programmable Logic Controllers)  is an industrial computer used to monitor inputs, and depending upon their state make decisions based on its program or logic, to control (turn on/off) its outputs to automate a machine or a process.

NEMA defines a PROGRAMMABLE LOGIC CONTROLLER as:

“A digitally operating electronic apparatus which uses a…

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