![]() Study the ladder logic program in Figure 7♳2 on page 196, and. And when Input ( I1) is released then coil( Q1 is off. Design a PlC program and prepare a typical 110 connection diagram and ladder logic program that will correctly execute the hardwired control circuit shown in Figure 7♳1. When ( I1) is pressed then the coil ( Q1) is on. In the case of PLC ladder, there will be a push button to provide input. Logic Gate Truth Table for NOT Gate: Input (I1) When the input is high then the output is low and vice-versa. ![]() In electronics, NOT GATE is also called an ‘ Inverter’ or ‘ Buffer’. Let’s see the explanation for each logic gate with PLC implementation, 1. Note: The circuit diagrams are connected to make and break input (I) and output (Q) contact in series and parallel circuits.įor all the circuit diagram, we are representing inputs ( I1) and ( I2) as switches, output ( Q1) as coil/lamp. Basically, there are seven types of logic gates as below. ![]() Different types of ladder logic diagram that perform different logic gate functions.
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