Control Data; System Control Data - Mitsubishi Electric MELSEC iQ-R Series User Manual

12.8
The setting items of the control data are explained in this section.

System control data

[Cd.1] Flash ROM write request
• Writes not only "positioning data (No.1 to 600)" and "block start data (No.7000 to 7004)" stored in the buffer memory/
internal memory area, but also "parameters" and "servo parameters" to the flash ROM/internal memory (nonvolatile).
• The Motion module resets the value to "0" automatically when the write access completes. (This indicates the completion of
write operation.)
Fetch cycle: 116 [ms]
■Setting value
• Set with a decimal.
Setting value
1
■Buffer memory address
Refer to the following for the buffer memory address in this area.
Page 402 System control data
■Default value
Set to "0".
12 DATA USED FOR POSITIONING CONTROL
512

12.8 Control Data

Downloaded from ManualsNet.com
Control Data
• Do not turn the power OFF or reset the CPU module while writing to the flash ROM. If the power is turned
OFF or the CPU module is reset to forcibly end the process, the data backed up in the flash ROM will be
lost.
• Do not write the data to the buffer memory before writing to the flash ROM is completed.
• The number of writes to the flash ROM with the program is 25 max. while the power is turned ON. Writing to
the flash ROM beyond 25 times will cause the error "Flash ROM write number error" (error code: 1080H).
Refer to Page 623 List of Error Codes for details.
• Monitoring is the number of writes to the flash ROM after the power is switched ON by "[Md.19] Number of
write accesses to flash ROM".
search engine
Details
Flash ROM write request