Backing up data and series commissioning
7.5 Write and know-how protection
Converter with the CU240B-2 and CU240E-2 Control Units
Operating Instructions, 01/2016, FW V4.7 SP6, A5E34259001B AC
373
Actions that are possible during active know-how protection
● Restore factory settings
● Acknowledge messages
● Display messages
● Show message history
● Read out diagnostic buffer
● Switching to the control panel (complete control panel functionality: Fetch master control,
all buttons and setting parameters)
● Upload (only parameters that are accessible even though know-how protection is active)
The individual parameters that are excluded from the know-how protection can be found in
the List Manual in Chapter "Parameters for write protection and protection of know-how".
Commissioning the inverter with know-how protection
Procedure - overview
1. Commission the inverter.
2. Create the exception list.
List of exceptions (Page 376)
3. Activate the know-how protection.
Know-how protection (Page 373)
4. Save the settings in the inverter by copying RAM to ROM.
5. Save the project on the computer/PG. Also back up any other project-related data
(machine type, password, etc.) that may be required for the support of the end customer.
Settings for know-how protection
Activating know-how protection
Preconditions
● You are online.
If you have created a project offline on your computer, you must download it to the
inverter and go online.
● You have inserted the recommended Siemens card.
Overview of Control Units (Page 29)
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