MUX8

Function - Select one of the inputs - 8 inputs.

Inputs

SELECT : DINT Selection command
IN1    : ANY First input
IN2    : ANY Second input
...    :
IN8    : ANY Last input

Outputs

Q : ANY IN1 or IN2 ... or IN8 depending on SELECT (see truth table)

Truth table

SELECT	Q
0	IN1
1	IN2
2	IN3
3	IN4
4	IN5
5	IN6
6	IN7
7	IN8
other	0

Remarks

In LD language, the input rung (EN) enables the selection. The output rung keeps the same state as the input rung. In IL language, the first parameter (selector) must be loaded in the current result before calling the function. Other inputs are operands of the function, separated by comas.

ST Language

Q := MUX8 (SELECT, IN1, IN2, IN3, IN4, IN5, IN6, IN7, IN8);

FBD Language

Mux8Fbd.gif (1878 octets)

LD Language

(* the selection is performed only if EN is TRUE *)
(* ENO has the same value as EN *)
Mux8Ld.gif (2182 octets)

IL Language

Not available

Op1: LD   SELECT
     MUX8 IN1, IN2, IN3, IN4, IN5, IN6, IN7, IN8
     ST   Q