Mitsubishi MELSEC-A series Programming Manual

7. APPLICATION INSTRUCTIONS
7 − 64
MELSEC-A
7.6 Buffer Memory Access Instructions
Buffer memory access instructions are used to read and write data of buffer memory
of special function modules and remote terminal modules (when the A2C, A52G is
used).
There are 16 types of buffer memory access instructions as shown below.
Classification Instruction Symbol Ref. Page
FROM 7-65
FROMP 7-65
DFRO 7-65
Special function
module data read
DFROP 7-65
TO 7-68
TOP 7-68
DTO 7-68
Special function
module data write
DTOP 7-68
FROM, PRC 7-71
FROMP, PRC 7-71
DFRO, PRC 7-71
Remote terminal
data read
DFROP, PRC 7-71
TO, PRC 7-76
TOP, PRC 7-76
DTO, PRC 7-76
Remote terminal
data write
DTOP, PRC 7-76

Mitsubishi MELSEC-A series Specifications

General

Brand	Mitsubishi
Model	MELSEC-A series
Category	Controller
Language	English