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9 FIRMWARE UPDATE FUNCTION
9.2 Update Using the Engineering Tool
Updating the firmware for the intelligent function module
The intelligent function module firmware can be updated by using the engineering tool.
Write the firmware update information from the engineering tool to the CPU module. The firmware of the target module can be
updated by the CPU module writing the firmware information to the target module to be updated. (Hereinafter, the CPU
module that writes the firmware update information is referred to as the update writing CPU module.)
An SD card must have been installed in the update writing CPU module in advance.
• In other system configurations where the intelligent function module (system) for which the firmware to be
updated is connected with a network, etc., an error may occur when the firmware update is executed.
Therefore, confirm the system's safety before executing the firmware update.
• Back up the various data such as the programs in the CPU module and parameters before executing the
firmware update.
• Only one intelligent function module can be updated by executing the function once.
• The intelligent function modules connected on the network are excluded from the firmware update.
CPU module
Engineering tool
Direct connection or
connection via hub
Network
Intelligent function module
to be updated
Module not to
be updated
SD memory card
Firmware
update file
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