====== XOR ======

{{:en:mervis-ide:35-help:xor.png}}

===== Function name =====

XOR

===== ST call =====

<code st-iec>
PROGRAM XOR
     VAR
       BOOL1,BOOL2,BOOL3: BOOL;
  END_VAR
    BOOL3:= BOOL1 XOR BOOL2;
END_PROGRAM
</code>

===== Description =====

Function calculates the exclusive disjunction of two or more inputs. Output is //true// if an odd number of inputs is in //true//.

===== Inputs =====

|Input|Type   |Description|
|IN1..|ANY_BIT|Input value|

===== Outputs =====

|Output|Type   |Description |
|=>    |ANY_BIT|Output value|

===== Application example =====

{{:en:mervis-ide:35-help:xor_example.png}}