APPX
Appendix 1 Checking Production Information and Firmware Version
151
A
Setting for firmware update prohibition
The firmware update can be prohibited by writing a firmware update prohibition file to the CPU module and setting a file
password.
1. Using an engineering tool, write the firmware update prohibition file (FWUPDP.SYU) to the "$MELPRJ$" folder in the
data memory of the CPU module. The firmware update prohibition file (FWUPDP.SYU) is included in the firmware update
information obtained for the preparation. ( Page 149 Preparation)
[Online] [User Data] [Write]
2. Using the engineering tool, set a file password to the firmware update prohibition file.
[Project] [Security] [File Password Setting]
For details on the operation method, refer to the following.
GX Works3 Operating Manual
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