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8 BOOT OPERATION
8.5 Operation When Security Functions Are Enabled
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8.5
Operation When Security Functions Are Enabled
This section describes the operation when security functions are enabled.
When a security key is set
When a security key is set to the boot target program file and the security key of the program file does not match with that of
the CPU module, a boot error occurs. Also, when no security key is written to the CPU module, a boot error occurs as well.
When a file password is set
If a file password is set on both the source boot file and destination file, the file can be transferred only when the passwords
match. Furthermore, the file transfer does not work if a file password is set only on either one.
8.6
Precautions
This section describes the precautions when using the boot operation.
• When a parameter file is set as boot file, it overwrites the parameter file inside the transfer destination CPU module. In
addition, if a parameter file is not set as boot file even when stored on the SD memory card, the CPU module operates in
accordance with the settings in the parameter file inside it.
• If a program in the program memory is changed online during boot operation, the change is also reflected in the transfer
source program on the SD memory card.
• Note the model of the program written on the SD memory card (program specified in the boot file settings) and the model of
the CPU module must be the same.
• For the boot file setting, check that the setting is consistent with the program/label setting. When the file is read from the
programmable controller after the boot operation without consistency, conversion may not function properly due to lack of
consistency in project data.
Security key of boot target
program file
Security key of CPU module
Security key match/mismatch
Boot program execution
Set
Written
Match
Execute
Written
Not match
Not execute (boot error)
Not written
Not execute (boot error)
Transferring boot file
Transferred boot file
Password match/
mismatch
Transfer
File
File password setting
File
File password setting
Existing
Set
Existing
Set
Match
Yes
Mismatch
No
Not set
No
Not set
Yes
Not set
Existing
Set
No
Not set
Yes
Not set
Yes
Содержание MELSEC iQ-R-R00CPU
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Страница 151: ...9 MONITOR FUNCTION 9 1 Real Time Monitor Function 149 9 MEMO ...
Страница 323: ...18 SEQUENCE SCAN SYNCHRONIZATION SAMPLING FUNCTION 321 18 MEMO ...
Страница 330: ...328 20 ROUTING SETTING 20 3 Precautions MEMO ...
Страница 423: ...26 BASIC CONCEPT 26 8 State Transition of the Redundant System 421 26 MEMO ...
Страница 524: ...522 30 MAINTENANCE AND INSPECTION FOR A REDUNDANT SYSTEM 30 1 Module Replacement in the Redundant System MEMO ...
Страница 1009: ...APPX Appendix 14 List of Available SQL Commands for CPU Module Database Access Function 1007 A MEMO ...
Страница 1014: ...1012 APPX Appendix 15 Added and Enhanced Functions MEMO ...
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