Mitsubishi Electric MELSEC iQ-R C Series Programming Manual page 146

CCPU_UnlockFWUpdate
This function removes the prohibition on the firmware update of a C Controller module.
Format
short CCPU_UnlockFWUpdate(char* pcPass)
Argument
Argument Name
pcPass Password
Description
• This function removes the prohibition on the firmware update of a C Controller module.
• If a password set to 'pcPass' is incorrect, an error will be returned.
• When the password is forgotten, initialize the C Controller module.
Return value
Return value
0 (0000H)
Other than 0
Relevant function
• Page 118 CCPU_LockFWUpdate
3 DETAILS OF FUNCTION
144
3.1 C Controller Module Dedicated Functions
Description
Specify a password for removing the prohibition on the firmware update.
Description
Normal
Error
For details on the error, refer to the following:
Page 225 ERROR CODE LIST
IN/OUT
IN