Enabling/Disabling Saving To Memory Cards - Omron CJ2 - 02-2010 User Manual

Enabling/Disabling Saving to Memory Cards

Overview
When the entire program or individual tasks are read-protected from the CX-Programmer, an option
can be set to enable or disable creating or backing up .OBJ program/network symbol files. It will not
be possible to create program/network symbol files (.OBJ files) with file memory operations if creat-
ing and backing up program/network symbol files is prohibited with this setting. (This setting prohib-
its both online transfers to a Memory Card/EM file memory as well as offline storage of PLC data
that was uploaded to the CX-Programmer.)
Disabling the creation of file memory program files can help prevent illegal copying of user pro-
grams.
CX-Programmer
When a password is being registered for the entire user program or
selected tasks, the creation of backup program files (.OBJ files) can be
Password?
enabled/disabled with an option setting.
Online creation of backup program files
(.OBJ files) prohibited by option setting.
CPU Unit
• The simple backup operation can still be performed when creating program/network symbol files
is prohibited, but the backup program/network symbol file (BACKUP.OBJ) will not be created.
• The program can be copied when program read protection is not enabled.
• The setting to enable/disable creating program/network symbol files will not take effect unless the
program is transferred to the CPU Unit. Always transfer the program after changing this setting.
Operating Procedure
1
To register a password in the UM read protection Box or Task read protection Box, select the
Prohibit from saving into a memory card, and transferring program from PLC Check Box in the
Protection Tab Page in the PLC Properties Dialog Box of the CX-Programmer.
2
Either select PLC - Transfer - To PLC to transfer the program or select PLC - Protection - Set
Password and click the OK Button.
Usage
• This option can be used to prevent the program from being transferred out of the PLC using the
password.
CJ2 CPU Unit Software User's Manual
Backup program files (.OBJ files) cannot be
created with file memory operations.
Properties
CX-Programmer
Uploading of all PLC
data is prohibited.
10 CPU Unit Functions
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