Siemens SINUMERIK 840D sl Commissioning Manual page 966

Backing up and restoring data
4.1 Backing up and restoring data
Booting up the service system
1. Plug the EBS into one of the USB ports of the PCU.
2. Press the <ALARM CANCEL> key on the operator panel or the <ESC> key on an
3. Select the entry "USB-HDD: XXX " from the list of available media.
4. First select "Start" to start the ServiceCenter and then "Backup/Restore Disk Image", to
Booting the service system in the headless mode
Precondition: the PCU is installed in the control cabinet and is only operated with a TCU that
has no OP/TP.
For a PCU 50.3 with BIOS version 05.01.11:
● After locking the hard disk, you can boot up from the USB service system and power up
● Then release the hard disk again and proceed in the manner described above.
For a PCU50.5 :
Set the service switch to "E", if you wish to boot the PCU 50.5 from the USB service system.
See also
How to backup and restore the hard disk (Page 78)
Setting of the service switch (PCU 50.5 only) (Page 96)
72
external keyboard while the BIOS of the PCU is booting up in order to display the "Boot
Menu".
Result:
The PCU boots up from the service system and the ServiceCenter starts.
restore the hard disk using the disk image.
NOTICE
During booting:
• The boot-up of the PCU from the EBS via the front USB interface (=USB V1.1; rear
USB V2.0) of a directly connected OP is also possible but it is considerably slower.
• It is not possible to boot up the PCU from the EBS via the USB interface of a TCU.
• It is not possible to save network settings on the EBS.
• VGA mode is only possible via a DVI → VGA adapter.
using WinPE.
Commissioning Manual, 02/2012, 6FC5397-1DP40-3BA0
PCU-Basesoftware (IM8)