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6 The CP as Web server
Web diagnostics
The CP provides you with the function of a Web server for access using a Web
browser.
The CP provides HTML pages for Web diagnostics.
With the following address, you have access to Web diagnostics:
http:\\<IP address of the CP>
Diagnostic buffer entries are output in English on the diagnostic pages. This is not
influenced by the language selected for display of the Web pages.
For detailed information on Web diagnostics, refer to the general Part A of this
manual.
Note
The data exchange for productive communication (S7 connections +
SEND/RECEIVE connections + PROFINET IO) always has a higher priority than
data exchange with the Web browser. This can lead to delays when accessing the
HTML pages in the Web browser.
Enabling the Web server function
If you want to use the CP for IP communication with HTTP, you will need to
activate port 80 of the CP in the configuration:
Select the option "Activate Web server" under "IP access protection" in the
properties dialog of the CP.
The Web server function is enabled as default.
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):
S Internet Explorer (recommended version: 6.0 or higher)
S Opera (recommended version: 9.2 or higher)
S Firefox (recommended version: 2.0 or higher)
These Web browsers support all the requirements necessary for the
implementation of the IT functions (Java reference implementation − Java
Development Kit) 1.1.x is supported) in conjunction with the CP.
CP 443-1 for Industrial Ethernet / Manual Part B
Release 07/2010
C79000-G8976-C223−06
6 The CP as Web server
B−31
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