Mitsubishi Electric MELSEC iQ-R Series Configuration Manual page 154

Clear the setting for firmware update prohibition
To execute the firmware update, clear the setting for firmware update prohibition using an engineering tool.
1.
Delete the file password set to the firmware update prohibition file.
[Project]  [Security]  [File Password Setting]
2.
Delete the firmware update prohibition file from the "$MELPRJ$" folder in the data memory of the CPU module.
[Online]  [User Data]  [Delete]
For details on the operation method, refer to the following.
 GX Works3 Operating Manual
Result of the firmware update
The result of the firmware update can be checked by the following method.
■ Special relay, special register
Check if the firmware update is normally finished or failed. If the firmware update failed, an error code will be stored in SD922.
( MELSEC iQ-R CPU Module User's Manual (Application))
• SM922 (Firmware update completion with/without an error)
• SD921, SD922 (Latest firmware update result)
■ Event history function
Refer to event codes to check if the firmware update succeeded or failed. ( MELSEC iQ-R CPU Module User's Manual
(Application))
• 20400 (Firmware update succeeded (CPU))
• 20401 (Firmware update failed (CPU))
History of the firmware update
The history of the firmware update can be checked by the following method.
■ Special register
Time when the firmware update was executed, versions before and after the update, and the result of the previous update can
be checked. ( MELSEC iQ-R CPU Module User's Manual (Application))
• SD912 to SD920 (Latest firmware update information)
• SD923 to SD931 (Previous firmware update information)
• SD932, SD933 (Previous firmware update result)
APPX
152
Appendix 1 Checking Production Information and Firmware Version