Mitsubishi Electric Q26UD(E)HCPU User Manual page 305

(2) Saving device data and buffer memory data
The following describes a procedure for saving data.
[Online]
When using a file register, also save file register data.
[Read from PLC]
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CHAPTER 15 TROUBLESHOOTING
Select "Device Memory".
Click the button.
Fill in the "Device Data Name" field and select the
checkboxes of devices to be saved.
Enter the start I/O number in the "Buffer Memory
Start Address" field.
Click the button, and execute Read from
PLC.
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