8.4.6. Setting time-related values and actions in the Time service SFB
Apart from date and time, which are independent of the parameterization, you set all other time-
related values and time-controlled actions in the Time service SFB of the device parameterization.
The online help provides information on the parameters required for adjustment.
In the Export values window, the SFB provides time-related events of type signal in Basic
system – Time service – Timer events. The proChain GC generates these events based on the
system time and the (parameterized) start of the day.
They can be used as input signals for time-controlled actions in other SFBs or AFBs. More
information about the options and settings for time-controlled actions or timer events is provided
in the online help.
Further settings:
Daylight saving: The time can be switched from standard time (≙ "winter time") to daylight saving
time and vice versa in accordance with the regional rules of the European Union, the USA or
Mexico (central zone), or on a user-defined basis in accordance with the POSIX standard for time
zone information. Alternatively, you can change the time manually on the enCore device or via an
external time source (Prim. external time source/Sec. external time source).
Parameterizing daylight saving in enSuite
► Open the branch Time Service. On the Parameter tab, use the drop-down menu Daylight
saving to determine the rules the switch should follow. Select the relevant entry:
• manual
The time can be changed manually in the operation panel of the enCore device, via the
online parameterization, via an event message or via the daylight saving time information
from an external time source.
• by region The time is changed automatically based on the predefined rules for the region.
• user defined The time is changed automatically based on a user-defined Posix TZ string.
Depending on the settings selected, the associated parameters will be displayed.
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