Operation
7.20 Write and know-how protection
SINAMICS DCP
386 Operating Instructions, 09/2019, A5E34382853K
Features when know-how protection is active
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.
You can hide know-how protected parameters in the expert list of STARTER using the
"Without know-how protection" display filter.
● The values of display parameters r... remain visible.
● STARTER does not display any screen forms.
● Adjustable parameters cannot be changed using commissioning tools.
When know-how protection is active, support can only be provided (from Technical Support)
after prior agreement from the machine manufacturer (OEM).
Functions locked using know-how protection
Active know-how protection inhibits the following functions:
● Download of drive unit settings using STARTER
● Deletion of the alarm history and fault history
● Creating acceptance documentation
Functions that can be executed for know-how protection
The following functions can be executed when know-how protection is active:
● Restoring factory settings
● Acknowledging faults
● Displaying faults, alarms, fault history, and alarm history
● Reading-out the diagnostics buffer
● Controlling the drive unit via the control panel in STARTER
● Displaying created acceptance documentation
Optional functions that can be executed:
The functions listed below can be executed despite activated know-how protection provided
diagnostic functions were permitted when it was activated:
● Trace function
● Function generator
● Measuring function
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