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386
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
Содержание CP1L-L14D Series
Страница 2: ...CP1L L14D CP1L L20D CP1L M30D CP1L M40D CP1L CPU Unit Operation Manual Revised June 2007...
Страница 3: ...iv...
Страница 9: ...x...
Страница 13: ...xiv TABLE OF CONTENTS...
Страница 21: ...xxii...
Страница 33: ...xxxiv Conformance to EC Directives 6...
Страница 65: ...32 Function Blocks Section 1 5...
Страница 153: ...120 CP CPM1A series Expansion I O Unit Wiring Section 3 6...
Страница 523: ...490 Troubleshooting Unit Errors Section 9 4...
Страница 531: ...498 Replacing User serviceable Parts Section 10 2...
Страница 563: ...530 Auxiliary Area Allocations by Function Appendix C...
Страница 611: ...578 Auxiliary Area Allocations by Address Appendix D...
Страница 638: ...605 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Страница 639: ...606 Connections to Serial Communications Option Boards Appendix F...
Страница 669: ...636 Index...
Страница 671: ...638 Revision History...