7.2.2 Activating and deactivating know-how protection
Requirements
• The converter has now been commissioned.
• You have generated the exception list for know-how protection.
• To guarantee know-how protection, you must ensure that the project does not remain at the
end user as a le.
Function description
Activating know-how protection
1. Enter a password of your choice in p7767.
Each index of p7767 corresponds with a character in the ASCII format.
2. Complete entry of the password with p7767[29]=0.
3. Enter the same password in p7768 as that for p7767.
4. Complete entry of the password with p7768[29]=0.
The know-how protection for the converter is activated.
❒
Deactivating know-how protection
1. Enter the password for the know-how protection in p7766.
Each index of p7766 corresponds with a character in the ASCII format.
2. Complete entry of the password with p7766[29]=0.
The know-how protection for the converter is deactivated.
❒
Parameter
Parameter Description Factory setting
r7758[0...19] KHP Control Unit serial number ---
p7759[0...19] KHP Control Unit reference serial number ---
r7760 Write protection/know-how protection status ---
p7765 KHP conguration 0000 bin
p7766[0...29] KHP password, input ---
p7767[0...29] KHP password, new ---
p7768[0...29] KHP password, conrmation ---
p7769[0...20] KHP memory card reference serial number ---
r7843[0...20] Memory card serial number ---
Protecting the converter settings
7.2Know-how protection
SINAMICS G120C Converters
Operating Instructions, 02/2023, FW V4.7 SP14, A5E34263257B AK 181