Operating Instructions

7.6 Know-how protection
Overview
Know-how protection prevents unauthorized reading of the inverter settings.
To protect your inverter settings against unauthorized copying, in addition to know-how
protection, you can also activate copy protection.
Precondition
Know-how protection requires a password.
Combination of know-how protection and copy
protection
Is a memory card necessary?
Know-how protection without copy protection The inverter can be operated with or without memory
card.
Know-how protection with basic copy protection The inverter can only be operated
with a SIEMENS memory card
Memory cards (Page 380)
Know-how protection with extended copy pro‐
tection
Function description
The active know-how protection provides the following:
● With just a few exceptions, the values of all adjustable parameters p … are invisible. In
STARTER, instead of the parameter values, the text "Know-how protection" is displayed.
– Several adjustable parameters can be read and changed when know-how protection is
active. You can find a list of the adjustable parameters that can be read and changed
in the List Manual under "KHP_WRITE_NO_LOCK".
In addition, you can define an exception list of adjustable parameters, which end users
may change.
– Several adjustable parameters can be read but not changed when know-how protection
is active. You can find a list of the adjustable parameters that can be read in the List
Manual under "KHP_ACTIVE_READ".
You can hide know-how protected parameters in the expert list of STARTER using the
"Without know-how protection" display filter.
● The values of monitoring parameters r … remain visible.
● STARTER does not display any screen forms.
● Adjustable parameters cannot be changed using commissioning tools, e.g. an operator
panel or Startdrive.
Saving the settings and series commissioning
7.6 Know-how protection
Converter with the CU230P-2 Control Units
Operating Instructions, 04/2018, FW V4.7 SP10, A5E34257946B AF 395