Mitsubishi Electric MELSEC-Q/L - Reading from Other CPU Shared Memory

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9 MULTIPLE CPU DEDICATED INSTRUCTIONS
9.2 Reading from the CPU Shared Memory of Another CPU
Reading from other CPU shared memory
FROM(P), DFRO(P)
■When Basic model QCPU, Universal model QCPU is used
*1 Specified with the upper three digits of the four hexadecimal digits representing the start I/O number.
*2 The setting range varies depending on the auto refresh setting range of the multiple CPU high speed transmission function.
The 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.
• Q00CPU, Q01CPU: The serial number (first five digits) is "04122" or later.
• High Performance model QCPU: Function version B or later
n1: Start I/O number of the reading target CPU module
*1
(BIN 16 bits)
 Basic model QCPU: 3E0H to 3E2H
 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
*2
(D): Head number of the devices where the read data is stored (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
*2
, DFRO(P): 1 to 7168
*2
Setting
data
Internal device R, ZR J\ U\G Zn Constant
K, H
Others
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.