11.Switch on the converter power supply again.
12.Perform a reduced acceptance test.
Reduced acceptance after component replacement and rmware change (Page417)
You transferred the settings from the PC to the new converter.
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10.2.3 Download with active know-how protection with copy protection
Overview
The know-how protection function prevents converter settings from being copied.
There are two options to avoid recommissioning after a converter has been replaced.
Requirement
The following preconditions apply:
• The end user uses a SIEMENS memory card.
• The machine manufacturer (OEM) has an identical machine.
Function description
Procedure 1: The machine manufacturer only knows the serial number of the new
converter
1. The end customer provides the machine manufacturer with the following information:
– For which machine must the converter be replaced?
– What is the serial number (r7758) of the new converter?
2. The machine manufacturer performs the following steps online on the prototype machine:
– Deactivating know-how protection
Activating and deactivating know-how protection (Page181)
– Enter the serial number of the new converter in p7759.
– Enter the serial number of the inserted memory card as reference serial number in p7769.
– Activate know-how protection with copy protection. "Copy RAM to ROM" must be
activated.
– Write the conguration with p0971 = 1 to the memory card.
– Send the memory card to the end customer.
3. The end user inserts the memory card.
Corrective maintenance
10.2Downloading the converter settings
SINAMICS G120C Converters
Operating Instructions, 02/2023, FW V4.7 SP14, A5E34263257B AK 401