Mitsubishi MELSEC-Q/L User Manual

682
FROM, FROMP, DFRO, DFROP
(b) CPU shared memory address of the Universal model QCPU
*3
*2: Usable as a user free area when auto refresh setting is not made.
When auto refresh setting is made, the auto refresh send range and later are usable as a user free area.
*3: With the following CPU modules, data cannot be read from the multiple CPU high speed transmission area.
•Q00UCPU
•Q01UCPU
•Q02UCPU
(2) When 0 is specified in n3 as the number of data to be read, no processing is performed.
(3) The number of data to be read changes depending on the target CPU module.
DFRO
(1) Reads the data of (n3×2) 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 .
(2) When 0 is specified in n3 as the number of data to be read, no processing is performed.
(3) The number of data to be read changes depending on the target CPU module.
Read of data from the CPU shared memory can also be performed using the intelligent function module devices.
For intelligent function module device, refer to the QnUCPU User's Manual (Function Explanation, Program Fundamentals)
or Qn(H)/QnPH/QnPRHCPU User's Manual (Function Explanation, Program Fundamentals).
CPU Module Number of Read Points
Basic model QCPU 1 to 512
Universal model QCPU 1 to 14336
CPU Module Number of Read Points
Basic model QCPU 1 to 256
Universal model QCPU 1 to 7168
Host CPU operation information area
CPU shared memory address
System area
Host CPU refresh area
*2
User free area
Read designation
permitted area
0(0
H)
512(200
H)
2048(800
H)
4096(1000
H)
10000(2710
H)
24335(5F0FH)
Unusable
Multiple CPU high speed
transmisson area
D
n3
CPU shared memory of the
designated CPU (n1)
n
2
Device memory
D
Reads the data
of (n3 2)
words

Mitsubishi MELSEC-Q/L Specifications

General

Brand	Mitsubishi
Model	MELSEC-Q/L
Category	Controller
Language	English