11.1 Type of Security Functions
There are mainly three functions as the security function of the FP-X.
It is possible to rewrite data during any of these functions is being used.
1: Password protect function
It is used to restrict the access to the programs in the FP-X from the programming tool by setting
a password. Writing and reading ladder programs or system registers will be unperformable by
setting a password and setting to the protect mode.
There are two types of passwords as below.
• 4-digit password: 4 characters of 16 characters that are “0” to “9” and “A” to “F” can be used.
• 8-digit password: A maximum of 8 English one byte characters (case-sensitive) and symbols
can be used.
2: Upload protection
Ladder programs or system registers cannot be uploaded from the FP-X by setting that the
program is not uploaded. As transferring programs to the master memory cassette as well as the
programming tool will be unperformable, it ensures higher security.
3: Password protect function and upload protection for FP memory loader
Those functions are available only when using the FP-X V2.5 or later, FP memory loader V2.0 or
later and FPWIN GR V2.8 or later and when setting a 8-digit password.
Reference: <11.4 Setting Function for FP Memory Loader>
The state of the security can be checked at two displays of the programming tool FPWIN GR.
1. Select [Online Edit Mode] under the [Online] on the menu bar, or press the [CTRL] and [F2] keys at
the same time, to switch to the [Online] screen.
2. Select “Security information” or “Set PLC Password” under “Tool” on the menu bar.
The following displays will be shown.
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