Siemens SIMATIC PCS 7 Service Manual page 25

Comparing Time Stamps
1. Open your PCS 7 project in SIMATIC Manager.
2. In the component view, select the chart folder of an AS.
3. Double-click on any chart.
The CFC editor opens.
4. Select the menu command CPU > Compare.
5. Compare the time stamps "Last compilation" and "Compilation of the loaded program".
If the time stamps are...
Identical
Different
6. Perform steps 2 to 5 for each automation system.
Reading Back the AS Parameter Settings
If parameters which are not in the configuration have been set in the AS, you will be able to
read these settings back into the project.
Please note that the parameters in the configuration will be overwritten. The decision
concerning whether to use this function will depend on the nature of the system involved and
must be made by the skilled personnel with responsibility for the system.
1. Open your PCS 7 project in SIMATIC Manager.
2. In the component view, select the chart folder of an AS.
3. Double-click on any chart.
The CFC editor opens.
4. Select the menu command Chart > Read Back.
5. Select the entries "Program on the CPU" and "Only data relevant for operator control and
monitoring" in the "Read Back" dialog box.
6. Click "OK".
The read-back process begins.
7. Perform steps 2 to 6 for the automation systems whose current parameters you require.
Software update without utilization of new functions
Service Manual, 03/2012, A5E02779792-02
CAUTION
... Then
1. Click "Close".
The dialog box is closed.
1. Select the menu command CPU > Download.
2. Select the "Changes" check box and apply all other standard settings.
3. Click "OK".
Changes start to be downloaded.
4. If changes have been downloaded without errors, select the menu
command CPU > Compare.
The "Last offline program change" and "Last online program change"
time stamps must match up.
Preparing for the software update
4.2 Preparatory tasks
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