5.5 PLC
5.5.1 Date & time
System menu
PLC
Date & Time
Setting times
Local settings: The date and time must be set manually
NTP time server: Date and time are obtained from a time
server
In a network environment with Internet access, the SPS
4000 can easily access any time server on the Internet.
Port 123 UDP is used for a time server (= NTP server).
Examples of time servers:
▪ Austria: 178,189,127,148, 178,189,127,149
▪ Germany: 130.149.17.021, 130,149,017,008
▪ Great Britain: 130,088,212,143, 130,088,200,004
Time zone
Selection of local UTC zones.
Automatic switching between summer and winter time
The adjustment of the time to summer and winter time is
automatic, based on the set time zone.
5.5.2 Software
System menu
PLC
Software
The software menu is used to perform a software update.
⇨ See "Performing a software update" [page 22]
5
Menus and parameters
PLC
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