Mitsubishi Electric MELSEC iQ-R Series User Manual page 126

■Precaution on after the execution of the set value backup function
After this function is executed in the Q compatible mode, the data transferred to the buffer memory areas when the power was
turned OFF and ON or the CPU module was reset and the reset was canceled is overwritten with new data by setting
parameters with the engineering tool.
To use the set values stored as the backup data of the initial settings of the module, select one of the following actions:
• Do not configure the parameter setting of the engineering tool.
• When configuring the parameter setting of the engineering tool, correct the set values of the parameters to the ones stored
as backup data, and write the parameters to the CPU module.
1 FUNCTIONS
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1.36 Buffer Memory Data Backup Function