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Product overview
2.3 Firmware functions
Function
Security Integrated
Know-how protection
Access protection
Integrity protection
Password provider
16
Description
The know-how protection protects user blocks against
unauthorized access and modifications.
You can use authorization levels to assign separate
rights to different user groups.
The CPUs dispose of integrity protection by default.
Integrity protection identifies possible manipulations of
engineering data on the SIMATIC memory card or dur-
ing data transfer between STEP 7 and the CPUs.
Integrity protection also checks the communication
from a SIMATIC HMI system to the CPUs for possible
manipulations of engineering data.
If integrity protection identifies the manipulation of
engineering data, the user receives a corresponding
message.
As an alternative to manual password entry, you can
link a password provider to STEP 7. A password provider
offers the following advantages:
•
Convenient handling of passwords. STEP 7 automat-
ically imports the password for the blocks. This
saves you time.
•
Optimum block protection because the users do not
know the password itself.
Additional information
Redundant System S7-1500R/H
(https://support.industry.siemens.co
m/cs/ww/en/view/109754833) Sys-
tem Manual
CPU 1518HF-4 PN (6ES7518-4JP00-0AB0)
Equipment Manual, 05/2021, A5E49868646-AA
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