Network 2 is used only to create memories of respective switches that will be further used in the main program in network 3. The PLC we selected has a work memory of 250 kB, 24 V DC power supply with 24V DC 32 digital inputs, 16 digital outputs, 4 analog inputs, and 2 analog outputs on board. In this PLC ladder logic example, we have used Siemens S7-1500 PLC and Siemens TIA portal for programming a ladder logic diagram. Among 6 inputs, 2 are push buttons and the rest switch. In this PLC ladder logic example, we have used 6 inputs, 3 outputs, and 4 memory. Write down a ladder logic diagram for the above problem statement. After pressing switch 4, Buzzer B1 will turn OFF while Motors M1 and M1 remain ON.After pressing switch 3, Motor M2 will turn OFF while Motor M1 and buzzer B1 remain ON.After pressing switch 2, Motor M1 will turn OFF while Motor M2 and buzzer B1 remain ON.Pressing Switch 1 results in turning ON Motors M1 and M2 and a buzzer B1.
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