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3 Functions of NB-Designer
NB-series Programmable Terminals NB-Designer Operation Manual(V106)
3-13 Security Level
3
After the Save, Compile and Offline test operations are performed, the state is shown as below. After 1
is input at Switching Level, the current security level will not become 1 because the switching from lower
level to higher level is impossible, as the lower right graphics shows.
Then input the password 1111 to make the current security level become 1, as the lower left graphics
shows. At this time, pressing the Function Key button can realize the switching to Frame 10. But if 0 is
input at Switching Level, the current security level will be switched to 0, then the switching to Frame 10
will be impossible, as the lower right graphics shows.
Designing the project by using the level password properly and giving the users permission with
different level each allow the security of application enhanced.
Switching to the lowest security level when screen closed
If the security level is set for one screen to realize the following function: the password will be cleared
automatically when the screen is closed, and the password needs to be input again when the screen
is entered again. The security level will become 0 every time the screen is closed. The settings are
as shown below:
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