Siemens S7-400 - Maintenance

Diagnostics and upkeep
7.3 Maintenance
CP 443-1 Advanced
Equipment Manual, 03/2023, C79000-G8976-C256-07
83
Diagnostics buffer entries
When supplied, diagnostics buffer entries shown on diagnostics pages are always in English.
This is not influenced by the language selected for display of the Web pages.
How to download other languages to the CP and further information about Web diagnostics
can be found in the general Part A of this manual /2/ (Page 103).
Enabling the Web server function
To use the Web server functionality of the CP, enable the relevant option in STEP 7 in the
module properties, "Web" parameter group.
The Web server function is enabled as default.
For detailed information on the Web server and Web diagnostics, refer to the general Part A
of this manual /2/ (Page 103)
Web browser
To access the HTML pages on the CP, you require a Web browser. The following Web
browsers are suitable for communication with the CP (other browsers also possible):
• Chrome
• Firefox
Use a browser version that is up-to-date at the time of publication of this manual.
7.3 Maintenance
CAUTION
Hot surfaces
Risk of burns during maintenance work on parts with a surface temperature above 70 °C
(158 °F).
• Take appropriate protective measures, for example, wear protective gloves.
• Once maintenance work is complete, restore the touch protection measures.
WARNING
Cleaning the housing
• In hazardous areas
Only clean the outer parts of the housing with a damp, but not wet, cloth.
• In non-hazardous areas
Only clean the outer parts of the housing with a dry cloth.
Do not use any liquids or solvents.