Siemens SINUMERIK 840D sl Commissioning Manual page 31

Figure 5-9 CMC service is stopped
The CNC is rebooted.
Figure 5-10
The CNC is now rebooted and the connection to the display is lost:
● Display via TCU ("internal HMI") > black screen with "Wait for HMI".
● Display via VNC viewer > VNC viewer is closed
Note
Restoring connections
Direct connections to the TCU are automatically restored after the reboot of the CNC.
Connections established via a VNC viewer are canceled during a reboot of the CNC. They
have to be manually restored (restart VNC viewer and connect).
The upgrading procedure then automatically continues without operator intervention.
SINUMERIK Software Update Tool
Commissioning Manual, 03/2018, A5E42187770B AA
Upgrading software with the SINUMERIK software update tool
5.2 Executing the SINUMERIK Software Update Tool Vx.y.usz
Rebooting of the CNC
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