
Function Block Library 4–34
1336 FORCE — 5.9 August 1995
MULTIPLEXER
BLOCK TYPE 21
decimal
15
hexadecimal
Multiplexer
ID = Exec =
NODE 0
In 1
Output
NODE 6
NODE 1
In 2
NODE 5
Sel 1
NODE 4
Sel 0
NODE 3
In 4
NODE 2
In 3
DEFINITION
Selects one of (4) input values In 1 – In 4 based on selector Sel 0
and Sel 1.
INPUTS
In 1 – In 4 — A signed input integer.
Sel 0 and Sel 1 — Selector inputs that form a two-bit binary value
used to select one of (4) inputs In 1 – In 4.
OUTPUT
Output — A signed integer.
FUNCTION
When Sel 1 is and Sel 0 is Output =
0 0 In 1
0
≠ 0
In 2
≠ 0
0 In 3
≠ 0 ≠ 0
In 4
PARAMETERS DATA TYPE LINKABLE DEFAULT VALUE RANGE
In 1 Signed Integer Yes 0
±32767
In 2 Signed Integer Yes 0
±32767
In 3 Signed Integer Yes 0
±32767
In 4 Signed Integer Yes 0
±32767
Sel 0 Logic Input Yes 0 True/False
Sel 1 Logic Input Yes 0 True/False
Output Signed Integer No —
±32767
EXAMPLES EXAMPLE 1 EXAMPLE 2 EXAMPLE 3 EXAMPLE 4
In 1 10 10 10 10
In 2 25 25 25 25
In 3 42 42 42 42
In 4 –60 –60 –60 –60
Sel 0 False True False True
Sel 1 False False True True
Output 10 25 42 –60
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