Mitsubishi Electric MELSEC iQ-R-RD75P4 User Manual page 309

Module backing up method
• The module backing up operation can be performed by writing the data shown in the table below into the RD75 buffer
memory using the TO instruction. The module data backup operation is executed at the timing when the data is written into
the RD75.
Setting item
[Cd.1] Module data backup request
• The module backup can also be performed by using the GP.PFWRT instruction of the dedicated instructions. For details on
the dedicated instructions, refer to the following.
 MELSEC iQ-R Programming Manual (Instructions, Standard Functions/Function Blocks)
When the data has been written to the flash ROM, "0" is set in "[Cd.1] Module data backup request" automatically.
Setting Setting detail
value
1 0: Not requested
1: Requested
Buffer memory address
Axis 1 Axis 2 Axis 3
1900
8 COMMON FUNCTIONS
8.3 Module Data Backup Function
Axis 4
8
307