Siemens Simatic S7-1500 Function Manual page 43

A message at the start of the instances shows the remaining number of days.
Note
Remote access
With remote access, the message must be confirmed on the computer on which the instance
was started.
Note
Sequence of the Trial License
If no valid license is available after the Trial License has elapsed, the instance is no longer
started.
Timeout alarm
If you do not confirm the message for the license in a certain amount of time, the instance is
not started and the following message appears:
Remedy
Start the instance again and confirm the message for the license.
API functions for licenses
● Return values for API function PowerOn() (Page 144) and callback function
OnOperatingStateChanged (Page 243)
–
–
● Return value for callback function
–
S7-PLCSIM Advanced
Function Manual, 12/2017, A5E37039512-AB
when a floating license is available.
SREC_OK
SREC_WARNING_TRIAL_MODE_ACTIVE
SREC_LICENSE_NOT_FOUND
when an instance is started with the Trial License.
OnOperatingStateChanged
when the instance is automatically shut down after 21 days.
Installing
3.1 Introduction
43