Siemens SINUMERIK 840D sl Commissioning Manual page 920

Commissioning the system
1.3 Boot up behavior of the PCU
Ramp-up phase
Figure 1-14
Explanations:
● If the HMI program is already installed, the PCU boots up and the HMI program is started
● During the boot up, there is a time interval for pressing key <3> when the version
● To carry out service tasks, you will have to log on as a service user.
26
PCU bootup diagram (HMI program installed)
(default).
information appears on the lower right of the background screen. Then the
"Installing Logon" dialog opens.
The following input options are available:
– Manual logon to a domain using user name and password.
– Logon using EKS: A key and valid user data for authentication must be provided for
this. If valid user data is not available via the EKS, the "Desktop Logon" dialog is
displayed along with user name and password.
– Both options can be selected.
Commissioning Manual, 02/2012, 6FC5397-1DP40-3BA0
PCU-Basesoftware (IM8)