Protection
8.3 Access protection
CPU 1505SP (F) Ready4Linux Version 2.7
82 Operating Instructions, 05/2019, A5E46864285-AA
8.3.3 Locking protection levels with the PLC program
Introduction
You use the instruction "Limit and enable password legitimization" (ENDIS_PW) to specify
whether or not configured passwords are legitimized for the CPU. In this way, you can
prevent legitimized connections, even if the correct password is known.
Inadvertent locking
If passwords are set up (all protection levels) and the output parameters of the password of
the block "Limit and enable password legitimation" are set to "Disallow in RUN", you will be
completely blocked.
The output parameters of the block are retentive. This means that the parameter assignment
is retained after "POWER OFF – POWER ON".
To disable the protection, enter the command-line command (Page 62) "/MemoryReset".
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