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Half Adder Ladder Representation/ Half Adder/Logic diagram

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By Prathima

Half Adder Ladder Representation

In This Blog We are going to discuss about Half Adder .An adder is a digital logic circuit in electronics that implements addition of numbers. Here we are going to implement Ladder Representation of Half adder. Adders are classified into two types: half adder and full adder. The half adder circuit has two inputs: A and B, which add two input digits and generate a carry and sum.

Half Adder
An adder is a digital circuit that performs addition of numbers. The half adder adds two binary digits and produces two outputs i.e sum and carry;                                  
1.  XOR- is applied to both inputs to produce sum
 2.   AND gate is applied to both inputs to produce carry

Truth Table:


Ladder Representation of Half Adder:


                            Half Adder Using Plc Ladder logic.
When You are giving 24v or 220v supply to the circuit, in Default condition sum and carry is 0 (here Sum and carry is acting as output and A,B are inputs), There are two inputs i.e switches and two output i.e load. Now we have to on the load according to the condition. 0 and 1 are the condition which is acting as on or off. 
Remember. In Input 0 or 1 acting as enable and Disable based on Situation.But in out put always 0 is off and 1 is on.


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