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408
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
Summary of Contents for CP1L CPU UNIT - 03-2009
Page 1: ...Cat No W462 E1 06 CP1L CPU Unit SYSMAC CP Series CP1L L_0D_ CP1L M_0D_ OPERATION MANUAL...
Page 2: ......
Page 4: ...iv...
Page 10: ...x...
Page 22: ...xxii...
Page 34: ...xxxiv Conformance to EC Directives 6...
Page 70: ...36 Function Blocks Section 1 5...
Page 584: ...550 Trouble Shooting Section 8 7...
Page 627: ...593 Sample Application Section 9 12 Network Settings Network Tab Network Settings Driver Tab...
Page 630: ...596 Sample Application Section 9 12...
Page 654: ...620 Troubleshooting Unit Errors Section 11 4...
Page 662: ...628 Replacing User serviceable Parts Section 12 2...
Page 668: ...634 Standard Models Appendix A...
Page 698: ...664 Auxiliary Area Allocations by Function Appendix C...
Page 746: ...712 Auxiliary Area Allocations by Address Appendix D...
Page 773: ...739 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Page 774: ...740 Connections to Serial Communications Option Boards Appendix F...
Page 806: ...772 Index...
Page 808: ...774 Revision History...