Backing up data and series commissioning
7.6 Know-how protection
Converter with the control units CU240D-2
254
Operating Instructions, 04/2018, FW V4.9 SP10, A5E34262100B AF
You have activated or deactivated write protection.
❒
Active write protection can be identified as in the expert list the input fields of adjustable
parameters p … are shaded gray.
Parameter
r7760
Write protection/know-how protection status
.00 1 signal: Write protection active
p7761
Write protection (factory setting: 0)
0:
Deactivate write protection
1:
Activate write protection
Exceptions to write protection
Some functions are excluded from write protection, e.g.:
●
Activating/deactivating write protection
●
Changing the access level (p0003)
●
Saving parameters (p0971)
●
Safely removing the memory card (p9400)
●
Restoring the factory setting
●
Transfer the settings from an external data backup, e.g. upload into the inverter from a
memory card.
The parameters that are not write protected are in the List Manual in Section "Parameters for
write protection and know-how protection".
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.
