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FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
12 Data Operation – FNC 40 to FNC 49
12.2 FNC 41 – DECO / Decode
2) When is a word device (1 ≤ n ≤ 4)
The numeric value (expressed in 2
n
on the low-order side) of is decoded to .
-When all bits of are "0", b0 of the word device turns ON.
-In the case of "n ≤ 3", all of high-order bits of become "0" (turn OFF).
Caution
• While the command input is OFF, the instruction is not executed. The activated decode output is held in the
previous ON/OFF status.
• When "n" is "0", the instruction executes no processing.
D
1
D
D
1
S
D
1
D
D
1
S
D
1
D
D
1
D
Turns ON when all bits
of are OFF.
When it is T,C,D,R,U
\G
,V,Z,K or H
0000000000000001
←
n
D
K1K2K3K4
S
Up to 16 bits
1 0 1 0 0 1 1 1 1
1
2
4
8
←
2
n
S
4 bits
0 001 0 1 0
b0b1b2b3b4b5b6b7b8b9b10b11b12b13b14b15
b0b1b2b3b4b5b6b7b8b9b10b11b12b13b14b15
Command
input
FNC 41
DECO
S
D
n
(1
≤
n
≤
4)
When is D0
When is D2
Ignored
When "n" is "4"