PLCs are highly reliable, easily programmable, Small and Inexpensive, PLCs can be designed with the communication capabilities so they can converse with the local or remote computer, They can sustain in robust environment less maintenance.Ĥ. Define Advantages of PLCs than Hard wired Relay? Explain what are different components in PLC?ģ. Programmable Logic Controllers are industrially hardened micro computers, designed to replace electromechanical relays, used to control machines and processes.Ģ.
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