Mitsubishi Electric MELSEC FX3U Programming Manual page 272

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
8) If a file register is not specified as the destination in BMOV (FNC 15) instruction, the file register is not
accessed.
a) Outline of memory operation
500 points ×
14 blocks
maximum
(7000 points
maximum)
b) Program example
When X000 is set to ON, the data register area [B] is read.
X000
A file register can be specified as
number register update mode is selected.
However, even if a file register having different number is specified for
data cannot be transferred from the file register area to another file register area. In such a case, read
the contents of a file register specified as
register area [B] once, and then write the data.
→ For the same-number register update mode of file registers, refer to Subsection 4.8.2.
270
Inside built-in memory
or memory cassette
Program
memory
Program/
comment
D1000
File register
[A]
S
FNC 15
D1100 D200
BMOVP
Inside system
RAM
D 0
D200
Image
memory
Data register
D599
D1100
Data register
[B]
D1499
Data register
D7999
D
n
K400
. But if a same number with
D
in the same-number register update mode to the data
S
9 Move and Compare – FNC 10 to FNC 19
9.6 FNC 15 – BMOV / Block Move
is specified, the same-
S
and
S D
respectively,