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.