Operating instructions

Commissioning a project
7.7 Updating the operating system
MP 377, MP 377 PRO (WinCC flexible)
174 Operating Instructions, 10/2008, 6AV6691-1DR01-0AB0
7.7.2 Resetting factory settings
In ProSave or WinCC flexible, you can update the operating system with or without resetting
to factory settings.
● Updating the operating system without resetting to factory settings
First, switch into "Transfer" mode on the HMI device or use the automatic transfer
function if the project is active. Then start the operating system update in ProSave
or WinCC flexible.
● Updating the operating system with resetting to factory settings
NOTICE
Loss of license keys
The license keys on the HMI device will be deleted when resetting to factory settings.
The license keys on the HMI device will be retained when updating the operating system
without resetting to factory settings.
NOTICE
Data channels
When resetting to factory settings, all data channel parameters are reset. The transfer
can only be started following reconfiguration of the data channels.
Note
You have to perform an operating system update with reset to factory settings if the
HMI device does not yet have an operating system or if the HMI device's operating
system is corrupt.
First, start the operating system update in ProSave or WinCC flexible and switch the
power on the HMI device off and on again when prompted.