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How to set a password for the PLC program,What is the difference of triple password protection?

2016-08-17 14:23:43 haiwell 542

Set password modification in the program menu bar file [program project properties],it means that the file can't open

Modify the password in the program menu bar PLC [PLC password],it means that PLC forbids downloading.

Set and modify the password in the PLC main program block or sub-program block (right click on the program properties)

Download the program,tick "forbid upload",it means that the program can not be uploaded to PC.

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