Mitsubishi Electric MELSEC iQ-R Series User Manual page 408

Files to be copied
The following table lists the files to be copied by the memory copy function.
: Copied, : Not copied, : Cannot be stored
File type
Program
FB file
CPU parameter
System parameter
Module parameter
Module extension parameter
Module-specific backup parameter
Memory card parameter
Device comment
Initial device value
Global label setting file
Initial label value file
File register
Event history
Device data storage file
General-purpose data
Data logging setting file
Remote password
Data is copied only when data in the memory differs between the control system and the standby system. The
event history is stored only when the memory copy is completed successfully. ( Page 412 Event history
when memory copy is executed)
■When the security key authentication function is used
The security key of the CPU module is not copied to the standby system. Write the security key from the personal computer
where the security key is registered again after completion of the memory copy.
If the memory copy is executed using the CPU module with the security key written, the program file and its security key are
copied but the security key of the CPU module is not copied. If the replaced CPU module is started up without writing the
security key after completion of the memory copy, an error occurs in the CPU module because the security keys do not match
between the program file and the CPU module.
If the security key of the CPU module is written to an extended SRAM cassette, the replaced CPU module can
take over the security key by simply inserting the extended SRAM cassette to which the security key has been
written. In this case, writing the security key to the replaced CPU module after completion of the memory copy
is not required.
26 REDUNDANT FUNCTION
406
26.4 Memory Copy from Control System to Standby System
Initial global label value file
Initial local label value file
Common setting file
Individual setting file
Copy
CPU built-in memory
Program Device/label
memory memory
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
SD memory
card
Data memory
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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 
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