mux4

 Function - Select one of the four integer inputs.

Inputs

Input	Data Type	Range	Unit	Default	Description
K	DINT	0 to 3	N/A	No default	Selection command.
IN0	ANY	Depends on the Data Type.	N/A	No default	First input.
IN1	ANY	Depends on the Data Type.	N/A	No default	Second input.
IN2	ANY	Depends on the Data Type.	N/A	No default	Third input.
IN3	ANY	Depends on the Data Type.	N/A	No default	Last input.

Outputs

Output	Data Type	Range	Unit	Description
Q	ANY	No range	N/A	IN0 or IN1 ... or IN3 depending on K. See the Truth Table.

Remarks

None

Truth Table

K	Q
0	IN0
1	IN1
2	IN2
3	IN3
Other	0

FBD Language Example

FFLD Language Example

• In the FFLD Language, the input rung (EN) enables the selection.
  • The output rung keeps the state of the input rung.
  • The selection is performed only if EN is TRUE.
  • ENO has the same value as EN.

IL Language Example

Not available.

ST Language Example

Q := MUX4 (K, IN0, IN1, IN2, IN3);

See Also

• mux
• mux8
• mux64
• sel