Siemens S7-400 - Diagnostics and Upkeep; Diagnostics; Diagnostics Options

CP 443-1 Advanced
Equipment Manual, 03/2023, C79000-G8976-C256-07
81
Diagnostics and upkeep
7
7.1 Diagnostics
7.1.1 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 37).
• Web diagnostics
For information on Web diagnostics using HTTP, refer to the section The CP as Web server
(Page 82).
• 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.
• Security-Online diagnostics
Using this special diagnostics that can be called up from SCT or STEP 7, you will obtain
detailed information about the Security functions of the CP.,