Mitsubishi Electric MELSEC iQ-R Series Manual page 53

CITL_ShutdownRom
This function shuts down the standard ROM of a C intelligent function module.
■ Format
short CITL_ShutdownRom (void)
■ Argument
None
■ Description
• This function shuts down the standard ROM of a C intelligent function module.
(The shutdown status can be checked with the CITL_GetUnitStatus function.)
• It is used to shut down the standard ROM before turning the power of a C intelligent function module OFF. After the
shutdown, file operations (creating, deleting, and overwriting a file) to the standard ROM cannot be performed. Reference
to the standard ROM is possible.
• Before calling CITL_ShutdownRom function, it is necessary to ensure that the access to (reading from/writing to) the
standard ROM is stopped and all files are closed. Otherwise, data in the standard ROM may be corrupted or a file system
error may occur.
• Always turn the power of the system OFF or reset the CPU module after checking that a shutdown is completed. If
operation is continued, an error occurs when accessing files in the standard ROM.
Also, an error occurs when configuring the settings on the "Service and Account Settings" screen.
• If the standard ROM is already shut down, this function ends normally without processing.
■ Return value
Return value Description
0 (0000H) Normal
Other than 0 (0000H) Error
For details on the error, refer to the following chapter.
Page 108 ERROR CODE LIST
■ Relevant function
Page 43 CITL_GetUnitStatus
Page 44 CITL_MountMemoryCard
Page 60 CITL_UnmountMemoryCard
3 DETAILS OF FUNCTION
3.1 C Intelligent Function Module Dedicated Functions
3
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