Siemens SIMATIC S7-1200 Function Manual page 69

Result
The current monitor values are applied to the "Snapshot" column and their setpoints are
copied to the "Start value project" column as new start values.
Note
Applying values of individual parameters
You can also apply the values of individual parameters that are not marked as a setpoint
from the "Snapshot" column to the "Start values project" column. To do so, copy the values
and insert them into the "Start value project" column using the "Copy" and "Paste"
commands in the shortcut menu.
PID control
Function Manual, 03/2017, A5E35300227-AC
Configuring a software controller
3.10 Parameter view
69