7.8 Buffer Memory Access Instructions
7.8.1 Reading 1-/2-word data from intelligent function module
7-125
7
APPLI
C
A
T
IO
N
INSTRUCTIONS
F
R
OM, DF
RO
FROM, DFRO
7.8
Buffer Memory Access Instructions
7.8.1
Reading 1-/2-word data from intelligent function module
FROM, DFRO
Function
FROM(P)
(1) Reads the data in n3 words from the buffer memory address specified for n2 of the intelligent
function module specified for n1, and stores the data to the device specified for
and the
following devices.
FROM(P)
DFRO(P)
P: Executing condition
:
indicates any of the following
instructions.
FROM
FROMP
DFRO
DFROP
Input argument,
EN:
Executing condition
:Bit
n1:
Start I/O number of the intelligent function module
:ANY16
n2:
Start address of data to be read
:ANY16
n3:
Number of data to be read
:ANY16
Output argument,
ENO:
Execution result
:Bit
d:
Read data
:ANY16/32
Setting
data
Internal device
R, ZR
J
\
U
\G
Zn
Constant
K, H
Others
U
Bit
Word
Bit
Word
n1
n2
−
n3
−
−
−
Universal
UD
High
Performance
Structured ladder
ST
EN
ENO
n
1
d
n
2
n
3
FROM
FROM
(EN,
n
1,
n
2,
n
3, d);
ENO:=
d
d
C
PU
mo
d
u
l
e
n
3 w
or
d
s
n
3
po
i
nts
n
2
Dev
i
ce
spec
i
f
i
e
d
for
d
I
nte
lli
gent
funct
i
on
mo
d
u
l
e
b
uffer
memor
y
Summary of Contents for MELSEC Q Series
Page 1: ...Structured Programming Manual Mitsubishi Programmable Controller QCPU Common Instructions ...
Page 2: ......
Page 14: ...A 12 MEMO ...
Page 340: ...6 178 MEMO MTR ...
Page 708: ...7 368 MEMO ...
Page 776: ...8 68 MEMO ...
Page 796: ...9 20 MEMO ...
Page 804: ...App 8 MEMO ...
Page 812: ...Index 8 MEMO ...
Page 815: ......