Diagnostics And Upkeep; Diagnostics Options; The Cp As Web Server - Siemens SIMATIC NET S7-400 Manual

Diagnostics and upkeep

7.1

Diagnostics options

Overview of the Diagnostics options
The following diagnostics options are available:
● LEDs of the module
For information on the LED displays, refer to the section LEDs (Page 33).
● Web diagnostics
For information on Web diagnostics using HTTP, refer to the section The CP as Web
server (Page 63).
● STEP 7 V5.5
– Hardware diagnostics and troubleshooting
– Communication diagnostics with special diagnostics
● STEP 7 Professional
In the "Diagnostics" tab in the Inspector window, you will see the following information:
– Entries in the diagnostics buffer of the CPU
– Information on the online status
In the "Online > Online and diagnostics" menu, you obtain the static information about the
module:
– General information on the module
– Diagnostics status
– Information on the interfaces
– Information relating to special diagnostics (folder "Functions" > Special diagnostics)
You will find further information on the diagnostics functions of STEP 7 in the STEP 7
information system.
7.2

The CP as Web server

Web diagnostics
The CP provides you with the functionality of a Web server for access using a Web browser.
With the following address, you have access to Web diagnostics:
http:\\<IP address of the CP>
CP 443-1 (EX30)
Manual, 03/2019, C79000-G8976-C255-05
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