Answer / murali iroyal

A programmable logic controller(PLC)is a electronic device
or i can say it as a controller to make program for machine
to operate in lay-man language,

Using PLC you can make machine automatic and run the machine
asper your requirement

Answer / m.umer irshad

a PLC is a Controller and a electronic device thats perform
according to instrunctions saved in their memory to perform
the specific tasks.

Answer / khomotso

It Operates, more like microcontrollers but the configuration are way too different. It make use of logic zero and logic one for automatic control and for complex operation, some sensors, relays, timers, counters... etc are installed as part of the process control to obtain desired outputs

Examples. Boom gate, traffic lights,

When a field input to plc is coming from 400 to 600 meters and the input is in 24 V DC? So signal cable of which cross section i should select for proper signal to plc?

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