8-2
8.1 Password Protect Function
8.1.1 Password Protect Function
This function is used to prohibit reading and writing programs and system registers by setting a
password on the FP0R.
There are two ways to set a password as below.
1. Sets using the programming tool.
2. Sets using an instruction (SYS1 instruction).
Characters usable for password
Digit number of
password
Usable characters
4-digit password 4 characters of the following 16 characters, 0 to 9 and A to F, can be used.
8-digit password A maximum of 8 one-byte characters (case-sensitive) and symbols can be used.
Note: Precautions on the password setting
Do not forget your password. If you forget your password, you cannot read programs. (Even if you ask
us for your password, we cannot crack it.)
8.1.2 Setting using Programming Tool
Setting using 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 or “Set PLC Password” under “Tool” on the menu bar. The following display will be shown.
Security information dialog box
○
1
Indicates the current status of the password
setting.
○
2
Specify the type of the password to be used.
○
3
Specify an operation mode.
Access: Accesses programs by inputting a
password.
Protect: Sets a password.
Unprotect: Releases the password setting.
○
4
Input a password.
○
5
Those are the settings when using the FP
memory loader (Ver. 2.0 or later).
To Next Page
Loading...
