6-7
6 Descriptions of New Functions Added into NB-TW01B
NB-series Programmable Terminals NB-Designer Operation Manual(V106)
6-1 New Added Functions
6
6-1-7 Data Encryption
For the data stored in the CSV format in the external memory, data encryption function can be used to
restrict the modification, edition, and others by the user.
Note 1 If the [Decompile] operation is not performed to the CSV file generated for the component using [Data
Encryption], the illegible characters will be displayed in the opened CSV file.
2 If the [Decompile] operation is performed through the NB-Designer, the CSV file can only be opened for
viewing instead of modifying or editing.
3 If the encrypted file is modified by someone intentionally, the error prompt will appear during the [Decom-
pile] operation in NB-Manager, making the damage of source file informed to the user.
4 The components supporting [Data Encryption] function are Data Log, XY Graph and Data History compo-
nents.
5 When the data encryption is set, the display of the component is also encrypted.
Take the setting method of [Data Encryption] for sampling data file of the Data Log as example:
1
Check the [Data Encryption] option after the [Save to External Device] option is checked in the
[Save Data History] tab in the [Data Log Property] dialog box.
6-1-7 Data Encryption
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