Siemens S7-300 - Setup and Operation

Web diagnostics
11.2 Setup and operation
Configuring and commissioning S7 CPs for Industrial Ethernet
Configuration Manual, 09/2013, C79000-G8976-C182-13
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● Importing a certificate
In your Web browser, you should import the certificate generated by the security CP.
Otherwise, when you call up Web diagnostics, you will receive a warning about the
absence of a security certificate.
To do this, export the required certificate during security configuration of the CP using the
certificate manager in STEP 7. You import using the specific import functions of the
relevant Web browser.
● Access rights
When accessed, the CP requires a user name and password to be entered. The specified
user must be assigned relevant Web access rights in user administration.
See also
Scaled password protection with security (Page 164)
Security when accessing process data (Page 162)
11.2
Setup and operation
Starting and working with Web diagnostics
As an alternative, you can start Web diagnostics as follows:
● Direct access using the Web browser
● Access using STEP 7 (with certain CP types)
Direct access using the Web browser
Follow the steps outlined below to start Web diagnostics:
1. Connect your PG/PC with the LAN to which the CP is connected.
2. Start your Internet browser
3. Depending on the configuration, enter the following address in the address bar of your
Internet browser:
– Security not enabled:
http:\\<IP address of the CP>
– Security and HTTPS enabled:
https:\\<IP address of the CP>
Result: Web diagnostics opens with the "Start Page".
Note: With this information, the standard Web page is accessed. For this reason, Web
diagnostics is only displayed in this way if no user page with the name index.htm is stored
on the CP.