9 FIRMWARE UPDATE FUNCTION
9.2 Update Using the Engineering Tool
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9
Firmware update prohibited setting
For the firmware update prohibited setting, refer to the following.
Page 96 Firmware update prohibited setting
Page 97 Canceling the firmware update prohibited setting
Precautions
• Check the target model, and download the correct firmware update file from the Mitsubishi Electric FA website. The
firmware will not be updated if the target model does not match.
• Do not change the data (folder and file name) downloaded from the Mitsubishi Electric FA website.
• If the CPU module to be updated cannot be selected in the engineering tool, update the engineering tool version.
• After checking that the CPU module to be updated is normally running, update the firmware.
• After checking that other functions have stopped, update the firmware.
• Update the firmware after checking that other systems connected on the network have stopped.
• Do not update the firmware while a function that accesses the SD memory card such as the file transfer function is in
operation.
• Back up the various data such as the programs and parameters before executing the firmware update.
• Do not turn the power OFF or reset the CPU module while the firmware update is in progress.
• If the firmware update is interrupted due to reasons such as the cable between the CPU module and the engineering tool
being disconnected or the engineering tool being terminated, the update may be completed with an error. For the recovery,
check that the LED indication for the CPU module does not show that data is being written and reset the CPU module
manually. When updating the firmware from a remote location, check that the CPU module can be reset manually before
doing so.
• If the firmware update is completed with an error and "To Use or Not to Use DNS Server Settings" is set to "Use" in the web
server settings, an error may occur. In this case, update the firmware again.
• If any of the following operations is performed during the period from the start to the end of the firmware update, the
firmware update may complete with an error, or the module may be damaged.
- Turning off the power to the system under firmware update, or resetting the system
- Remotely operating from the engineering tool, or changing the operation status with the CPU module switch
- Operating the system under firmware update from an external device
- Connecting/disconnecting the communication cable connecting the CPU module and engineering tool
- Operating the engineering tool to start the firmware update
- Stopping the engineering tool
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