Siemens SINUMERIK 840D sl Commissioning Manual page 298

Data backup
15.9 Network settings
PCU
PCU and, if applicable, NCU settings saved with the HMI on the PCU. The following data is
backed up:
● PCU
– /user/system/etc/basesys.ini
– mmc.ini for SINUMERIK Operate
● NCU (when present as master)
– /user/system/etc/basesys.ini
– /user/common/tcu (complete directory)
The following archives are created: Archivename_pcu.arc and Archivename_ncu.arc
Importing an archive for a configuration with NCU as master (DHCP) and PCU (on_low):
1. Import the archive for Archivename_pcu.arc on a PCU with SINUMERIK Operate.
2. Depending on the replaced parts of the NCU, note the following:
– If the NCU was not replaced, the system restarts.
– The NCU has been replaced, Archivename_ncu.arc must be imported via the X127
292
interface with a separate HMI.
Commissioning Manual, 03/2013, 6FC5397-1DP40-3BA1
SINUMERIK Operate (IM9)