File Memory Operating Procedures And File Memory Files; Files Automatically Transferred At Startup - Omron CJ2 CPU - REV 10-2010 User Manual

7-3-2

File Memory Operating Procedures and File Memory Files

The following table summarizes the file memory files that can be manipulated for each type of file mem-
ory operation.
Read: Transfers files from file memory to the CPU Unit.
Write: Transfers files from the CPU Unit to file memory.
Operating
Medium
procedure
Procedures Memory
from CX-Pro- Card, EM file
grammer memory, or
computer
memory
device
Automatic Memory
transfer at Card
startup
Simple Memory
backup func- Card
tion
Backup or Computer
restore using memory
PLC Backup device only
Tool
FREAD(700) Memory
and Card or EM
FWRIT(701) file memory
instructions
Auxiliary Memory
Area control Card
bit operation
replaces the
entire pro-
gram during
operation.
FINS com- Memory
mand Card or EM
file memory

Files Automatically Transferred at Startup

These files are for batch-reading user program/network symbols, parameter data, and I/O memory at
startup. The file name is fixed as AUTOEXEC or REPLACE. For details, refer to 10-3-5 Automatic
Transfer at Startup.
CJ2 CPU Unit Software User's Manual
Pro-
Description
gram/net-
work
symbol files
Create OK (general-purpose files)
OK (files transferred automatically at startup)
Read
Write
Other opera-
tions
Read OK (files transferred automatically at startup) ---
Write ---
Read OK (simple backup files)
Write
Read OK (PLC backup files)
Write
Read data ---
from one file.
Write data to
one file.
Read OK (general-
purpose files)
Read OK (general-purpose files)
Write
Other opera-
tions
OK: Possible; ---: Not possible
File types
Parameter
Data files
Area data
OK (general- ---
purpose files)
---
7 File Operations
Symbol
tables, com-
Unit backup
ment files,
files
program
index files
OK (CX-Pro- ---
grammer
files)
---
---
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