Unpack8

 Function Block - Extract bits from a byte.

The operation is executed only in the input rung (EN) is TRUE.

Inputs

Input	Data Type See Data Types.	Range	Unit	Default	Description
IN	USINT				8-bit register.

Outputs

Output	Data Type See Data Types.	Range	Unit	Description
Q0	BOOL	FALSE, TRUE		Less significant bit.
Q7	BOOL	FALSE, TRUE		Highest significant bit.

FBD Language Example

FFLD Language Example

• In the FFLD language, the output rung is the Q0 output.
• The operation is performed if EN = TRUE.

IL Language Example

Not available.

ST Language Example

(* MyUnpack is a declared instance of the UNPACK8 function block *)
MyUnpack (IN); 
Q0 := MyUnpack.Q0;
Q1 := MyUnpack.Q1;
Q2 := MyUnpack.Q2;
Q3 := MyUnpack.Q3;
Q4 := MyUnpack.Q4;
Q5 := MyUnpack.Q5;
Q6 := MyUnpack.Q6;
Q7 := MyUnpack.Q7;

See Also

Pack8