Backing up data and series commissioning
9.5 Write and know-how protection
Inverter with CU230P-2 Control Units
334 Operating Instructions, 11/2013, FW V4.6.6, A5E02430659B AG
Write and know-how protection
The inverter offers the option to protect configured settings from being changed or copied.
Write protection and know-how protection are available for this purpose.
Write protection prevents inverter settings from being inadvertently changed. No password is
required for write protection, your settings remain unencrypted.
The following functions are excluded from the write protection:
● Activating/deactivating write protection (p7761)
● Changing the access level (p0003)
● Saving parameters (p0971)
● Safely removing the memory card (p9400)
● Access to service parameters (p3950) - only for service personnel, a password is
required
● Restoring the factory setting
● Upload
● Acknowledging alarms and faults
● Switching over to the control panel
● Trace
● Function generator
● Measuring functions
● Reading out diagnostic buffer
The individual parameters that are excluded from the write protection, can be found in the
List Manual in Chapter "Parameters for write protection and protection of know-how".
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