Siemens Simatic S7-1500/ET 200MP System Manual page 251

Commissioning
11.8 Time synchronization
Solution
To change the IP address of the NTP server in the user program to "192.168.1.10", follow
these steps:
1. Create a global data block in the project tree under "Program blocks > Add new block".
Name the global data block "NTP".
2. Create a tag of the data type "IF_CONF_NTP" in the global data block "NTP".
Figure 11-5
3. Create a "T_CONFIG" instruction in the user program.
4. Connect the "T_CONFIG" instruction as follows.
Figure 11-6
250
Example data block with IF_CONF_NTP
Example T_CONFIG: Change NTP server
Automation system
System Manual, 12/2017, A5E03461182-AE