Siemens SIMATIC ET 200SP System Manual page 110

Configuring
6.2 Configuring the CPU
Restoring a full backup
You can transfer to the CPU a backup made at an earlier date. The CPU restores the saved
data.
Requirements
The following requirements must be met before you start the restore:
● You have previously configured the CPU and stored a backup of the device in the project.
● The CPU is connected to the programming device/PC via the PROFINET interface.
● The CPU must be in STOP mode.
● You have the password for read access to the CPU, if an access level was configured for
the CPU.
Procedure
To restore the data on the CPU, follow these steps:
1. Open up the folder of the device in the project tree to display the lower-level objects.
2. Open the "Online backups" folder.
3. Select the backup you want to restore.
4. In the "Online" menu, select the "Download to device" command
(you may need to enter the password for read access to the CPU)
– If you had previously established an online connection, the "Load preview" dialog
– If you have not already established an online connection, the "Extended download to
5. Check the alarms in the "Load preview" dialog, and select the actions in the "Action"
column, if necessary.
6. As soon as downloading becomes possible, the "Load" button is enabled.
7. Click "Load".
The contents of the backup are transferred to the CPU and restored. The CPU is
restarted.
The "Load results" dialog opens. In this dialog, you can check whether or not the loading
operation was successful and take any further action that may be necessary.
8. Click "Finish".
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opens. The dialog includes alarms and suggests necessary actions for the download.
device" dialog opens automatically. In it, select the interfaces with which you want to
establish the online connection to the device.
WARNING
Download of backups with unknown content
If you activate the suggested actions during download and during plant operation,
malfunctions or program errors can cause severe damage and serious injuries.
Make sure that the backup contents do not include any configuration that would result in
unpredictable behavior of the plant.
Distributed I/O system
System Manual, 12/2015, A5E03576849-AF