Reading From Other Cpu Shared Memory (From(P), Dfro(P)) - Mitsubishi MELSEC Q Series Programming Manual

FROM(P),DFRO(P)
9.2.1
Reading from Other CPU Shared Memory (FROM(P),
DFRO(P))
FROM(P),DFRO(P)
(1) When Basic model QCPU, Universal model QCPU is used
FROM,DFRO
FROMP,DFROP
Setting
Data
n1
n2
D
n3
*1: The setting range varies depending on the auto refresh setting range of the multiple CPU high speed
Function
FROM
(1) Reads the data of n3 words from the CPU shared memory address designated by n2 of the
CPU module designated by n1, and stores that data into the area starting from the device
designated by
9-12
Command
Command
n1 : Head I/O number of the reading target CPU module (BIN 16 bits)
• Basic model QCPU
• Universal model QCPU: 3E0
n2 : Head address of data to be read (BIN 16 bits)
• Basic model QCPU
• Universal model QCPU: 0 to 4095, 10000 to 24335*
: Head number of the devices where the read data is stored (BIN 16 bits)
D
n3 : Number of read data (BIN 16 bits)
• Basic model QCPU
• Universal model QCPU: FROM(P): 1 to 14336*
Internal Devices
R, ZR
Bit Word
––
––
––
––
communication function.
.
D
Device memory
D
Ver.
High
Basic
performance
Basic model QCPU:The first 5 digits of serial No is "04122" or higher.
High performance model QCPU:Function version B or later.
indicates an instruction symbol of FROM/DFRO.
n1
P n1
: 3E0 to 3E2
H H
to 3E3
H H
: 0 to 512
1
: FROM(P): 1 to 512, DFRO(P) : 1 to 256
1
, DRRO(P) : 1 to 7168*
J \
U \G
Bit Word
––
CPU shared memory of
the designated CPU (n1)
n2
Reads the
data of n3
words
Ver.
Process
Redundant Universal
n2 D n3
n2 D n3
1
Constants
Zn
K, H
––
n3
LCPU
Other
U
––
––
––