Справочник Пользователя для Mitsubishi Electronics MELSEC -Q/L
9 MULTIPLE CPU DEDICATED INSTRUCTIONS
9.2 Reading from the CPU Shared Memory of Another CPU
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9
Reading from other CPU shared memory
FROM(P), DFRO(P)
■When Basic model QCPU, Universal model QCPU is used
*1 The setting range varies depending on the auto refresh setting range of the multiple CPU high speed communication function.
The value of n1 is specified by the first 3 digits of the hexadecimal 4 digits which represent the head I/O number of the slot
mounted to the CPU module.
mounted to the CPU module.
• Q00CPU, Q01CPU: The serial number (first five digits) is "04122" or later.
• High Performance model QCPU: Function version B or later
• High Performance model QCPU: Function version B or later
n1: Head I/O number of the reading target CPU module (BIN 16 bits)
Basic model QCPU: 3E0H to 3E2H
Universal model QCPU: 3E0H to 3E3H
Universal model QCPU: 3E0H to 3E3H
n2: Head address of data to be read (BIN 16 bits)
Basic model QCPU: 0 to 512
Universal model QCPU: 0 to 4095, 10000 to 24335
Universal model QCPU: 0 to 4095, 10000 to 24335
(D): Head number of the devices where the read data is stored (BIN 16 bits)
n3: Number of read data (BIN 16 bits)
n3: Number of read data (BIN 16 bits)
Basic model QCPU: FROM(P): 1 to 512, DFRO(P): 1 to 256
Universal model QCPU: FROM(P): 1 to 14336
Universal model QCPU: FROM(P): 1 to 14336
, DRRO(P): 1 to 7168
Setting
data
data
Internal device
R, ZR
J\
U\G
Zn
Constant
K, H
K, H
Others
U
U
Bit
Word
Bit
Word
n1
n2
(D)
n3
Slot number
Head I/O number
n1
CPU slot
3E00
3E0
Slot 0
3E10
3E1
Slot 1
3E20
3E2
Slot 2
3E30
3E3
Redundant
LCPU
Basic
Process
High
performance
Universal
Ver.
Ver.
Command
Command
n3
n3
n1
n1
n2
n2
D
D
FROM, DFRO
FROMP, DFROP
P
indicates an instruction symbol of FROM/DFRO.