Web Server - Siemens SIMATIC S7-1500 Function Manual

Reading out data
With the Web server, you can read out the following data from the CPU and, in some cases,
modify and write back the data to the CPU.
● Start page with general CPU information (Page 33)
● Information on Diagnostics (Page 38)
– Identification
– Program protection
– Memory
– Runtime information
– Fail-safe (with an F CPU)
● Contents of the diagnostics buffer (Page 48)
● Module information (Page 57)
● Firmware update (Page 62)
● Alarms (Page 65)
● Information on Communication (Page 67)
– Important interface parameters
– Port statistics
– Display of the communication resources
– Display of the communication connections
● PROFINET-Topology (Page 72)
– Graphical view (set and actual topology)
– Table view (actual topology)
– Status overview
● Tag status (Page 82)
● Watch tables (Page 85)
● User pages (Page 120)
● Filebrowser (Page 154)
● DataLogs (Page 112)
● User files (Page 115)
● Online backup and restoration of the configuration (Page 87)
● Diagnostic information for technology objects (Page 49)
● Evaluation of trace recordings (Page 92)
● Reading out service data (Page 155)
● Basic websites (Page 156)
The HTML pages are described in more detail on the following pages.
Note
Max. characters at data type WSTRING
Note that the data type WSTRING is limited to 254 characters for the display in the Web
server. If the 254 characters are exceeded, the Web server does not display the superfluous
characters.

Web server

Function Manual, 11/2019, A5E03484625-AG
General information
2.1 Properties of the Web server
17