Siemens SIMATIC ET 200SP System Manual page 225

Commissioning
11.10 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 11-11 Example: Data block with IF_CONF_NTP
3. Create a "T_CONFIG" instruction in the user program.
4. Connect the "T_CONFIG" instruction as follows.
Figure 11-12 Example T_CONFIG: Changing the NTP server
224
Distributed I/O system
System Manual, 09/2019, A5E03576849-AJ