Omron CP1L - 12-2007, Operation Manual

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384
Program Protection
Section 6-7
2. Go online and then either select PLC - Transfer - To PLC to transfer the
program or select PLC - Protection - Set Password and click the OK but-
ton.
Application
The above procedure enables using a password to protect against disclosure
of the program to unauthorized persons.
Note (1) Copying the program is possible if read protection is not set.
(2) The setting to prohibit backing up the program is not effective until the
program is transferred to the PLC. Always transfer the program after
changing the setting.
Prohibiting Creating
Program Files in File
Memory When a password is set for the entire user program or for a task from the CX-
Programmer, prohibiting creating a program file (.OBJ) as a backup can be
set as an option. Doing so will make it impossible to create a program file in
file memory using the file memory operations. (This setting will also prohibit
uploading PLC data to the CX-Programmer and saving PLC data to a storage
device.)
Operating Procedure
1,2,3... 1. When registering a password in the UM read protection password Box or
Task read protection Box, select the Prohibit from saving to a memory
card , and transferring program from PLC Option.
CX-Programmer
Password?
CX-Programmer
When a password is set for the entire user program, or for one or more tasks,
backing up the user program (i.e., creating an OBJ program file) can be prohibited.
CPU Unit
A program file (.OBJ) cannot be created with file memory operations.
Creating a program file as a backup using online
operations can be prohibited.
No PLC data
can be uploaded.
Memory Cassette