Mitsubishi Electric MELSEC FX3U - Page 563

561
FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
19 Data Operation 2 – FNC140 to FNC149
19.3 FNC142 – BTOW / BYTE to WORD
11
FNC30-FNC39 Rotation and Shift
12
FNC40-FNC49 Data Operation
13
FNC50-FNC59 High Speed Processing
14
FMC60-FNC69 Handy Instruction
15
FNC70-FNC79 External FX I/O Device
16
FNC80-FNC89 External FX Device
17
FNC100-FNC109 Data Transfer 2
18
FNC110-FNC139 Floating Point
19
FNC140-FNC149 Data Operation 2
20
FNC150-FNC159 Positioning Control
Program example
In the program shown below, the low-order byte (8 bits) data stored in D20 to D25 is combined, and stored in
D10 to D12.
31H
D20
D21
The high-order bytes is ignored.
D22
6 bytes
D10
D11
D12
12H
55H
78H
49H
67H
00H
31H
44H
78H
12H
55H
36H 49H
48H
67H
D23
D24
49H
31HD25
b15 b8 b7 b0 b15 b8 b7 b0
X000
FNC142
BTOWP
D20 D10 K6
END