Siemens SIMATIC S7-1500/ET 200MP System Manual page 282

Procedure
Proceed as follows to set the IP address of the NTP server in the user program to
"192.168.1.15":
1. Create a global data block in the project tree under "Program blocks > Add new block". Name
the global data block "NTP".
2. Create an "NTP_Server" tag of the data type "IF_CONF_NTP" in the global data block "NTP".
Figure 12-4
3. Create a "T_CONFIG" instruction in the user program.
4. Connect the "T_CONFIG" instruction as follows.
Figure 12-5
Automation system
System Manual, 01/2023, A5E03461182-AK
Example data block with IF_CONF_NTP
Example T_CONFIG: Setting the NTP server
Commissioning
12.8 Time synchronization
281