Password; Enhanced User Program Protection (Version 2.20 Or Later) - Mitsubishi a2 Series Programming Manual

Simple application controller
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2 Simple Application Controllers
3.6.7

Password

The password consists of four digits and will prohibit entry into the ProgEdit, Monitor, Disp
Pass and Serial Com modes only. All other menu options can be accessed when a Password
is used.
To Enter a Password:
1 ) Select "Others..." Menu Option.
2 ) Select "Password" from the "Others..." Menu Options
3 ) Use the "+" and "-" keys to enter the desired password.
4 ) Press the "OK" key to accept and activate the password.
5 ) A key symbol will now be displayed at the top of the
To Cancel a Password:
1 ) Select the "Others..." Menu Option.
2 ) Select "Password" from the "Other" Menu Options. "Cancel Password" should appear on
the top of the screen.
3 ) Use the "+" and "-" keys to enter the current password.
4 ) Press the "OK" key to accept and deactivate the password.
5 ) The key symbol will be removed from the
Note 1: A Password protected program in an AL2-EEPROM-2 Cassette can be run from and
be downloaded into the main body of the controller.
Note 2: A controller containing a Password protected program can accept or transfer
programs to an AL2-EEPROM-2.
Note 3: The Password can also be set/deleted from the AL-PCS/WIN-E software or deleted by
the "PROGCLEAR" command.
3.6.8

Enhanced User Program Protection (Version 2.20 or later)

Besides the existing user program password protection two new kinds of user program
protection are established.
- Program Read Protection
- Copy Program To Memory Cassette Protection
1) Program Read Protection
The Program Read Protection prohibits any kind of read access to the user program in an
(Version 2.20 or later).
This protection can be set only in VLS by downloading a user program with a 5 digit user
program password set, '1' as the first digit.("1****":10000 to 19999)
When the protection is set, the program password can't be changed at
operation.
The program read protection is reset, when the controller content is erased (VLS or
unprotected user program (program read protection not set) is downloaded by VLS.
This protection doesn't work in older
those controllers, thus it is inherited in case of copying by VLS or memory cassette to another
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2.
When the program read protection is set, it`s also not possible to upload a user program with
an older version of VLS.
Copying the user program to a memory cassette is also prohibited, when the protection is set.
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2 display.
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2 display.
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2 (FW version 1.00 and 2.14), but it is also not reset in
System Menu 3
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2
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2 by soft key
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2) or an
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