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PARITY

Type	Function
Description	Checks if the number of set bits is even or odd. The function can operate on various input data types. The function outputs a TRUE if the number of set bits is even.
Parameters	Input IN1 Data type: ANY_BIT Description: Input bit string. Output OUT Data type: BOOL Description: Number of the set bits. TRUE = even number FALSE = odd number
Additional information	EN/ENO behavior The POU is only executed if TRUE is applied to the EN input. If EN = FALSE, the POU is not executed and ENO = FALSE indicates the inactivity. Further Info See the topic "General information on execution control with EN/ENO" for further details.
Example	Example in ST MyBoolVar := PARITY_BYTE( BYTE#2#00100001 );  (* stores TRUE in MyBoolVar *)