Explain the difference between relay logic and PLC logic

How relay logic is different from PLC logic

Relay Logic uses relays that were hard wired in a Logic configuration. PLCs are small industrial computer that is programmed logic by using software.

Relay logic : When you make interlock or logic (by making serial or parallel combination of relays or contactor) via hard wired.

PLC logic : When you make interlock or logic via software to operate any field equipment or Trip them through PLC.