Siemens S7-1500 Function Manual page 26

Display of the memory usage in the Web server
On the Web server, you can find information about the current usage of the individual
memory areas on the Web page "Diagnostics" in the "Memory" tab.
Detailed information about the use of the Web server can be found in the S7-1500 Web
server (https://support.industry.siemens.com/cs/ww/en/view/59193560) function manual.
Figure 2-4 Display of the memory usage in the Web server
Note
Redundant system S7-1500R/H
The web server is not supported by the CPUs of the redundant system S7-1500R/H.
Structure and Use of the CPU Memory
Function Manual, 10/2018, A5E03461664-AC
Memory areas and retentive memory
2.2 Memory requirements and memory usage
25