6 COMMUNICATION FUNCTIONS
6.2 Security Function
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Operations requiring password authentication with file password
Operations requiring password authentication for data for which a file password has been registered are as follows.
*1 Password authentication is not required for Motion CPU memory formatting (initialization).
*2 Refer to file password for operation when file password is set. (Page 123 File password)
File password setting
File password registration, change, authentication and deletion are performed in MT Developer2.
Refer to the following for details of the operation procedures.
Help of MT Developer2
[Project] [Security] [File Password Setting]
• Store passwords carefully. If a user has forgotten a registration password, initialize the memory where the
password is registered (standard ROM of the Motion CPU, or SD memory card). However, if initializing the
standard ROM all password data and data are cleared. Re-write the data to the Motion CPU. (Page 352
Memory Initialization)
• When setting a file password for both the standard ROM and the SD memory card data, set a password for
the standard ROM, and another password for the SD memory card data.
• Be sure to register/change/delete password when the Motion CPU is in STOP state. Registering/changing/
deleting password when in RUN state may cause the Motion SFC program to operate incorrectly.
Online operation Corresponding password type
Reading to Motion CPU Read protect password
Writing to Motion CPU Write protect password
Online change Write protect password
Verification with Motion CPU Read protect password
File password setting (registration/change/authentication/deletion) Read protect password, write protect password
Motion CPU data deletion Write protect password
Motion CPU memory formatting (initialization)
*1
File transmission at boot
*2
Read protect password, write protect password
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