Product overview
3.4 Functions
CPU 1505SP (F) Ready4Linux Version 2.7
Operating Instructions, 05/2019, A5E46864285-AA
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3.4.6 Central I/O
Centralized I/O devices are available when using the CPU 1505SP on the PC. You can use
any commonly used ET 200SP input and output modules with the CPU.
3.4.7 Web server of the CPU
The CPU has an integrated web server that enables, among other things, the display of
system diagnostics information via PROFINET. Any web clients, such as PCs, Multi Panels,
or smartphones, can be used to read-access module data, user program data, and
diagnostics data of the CPU by means of an Internet browser. This means that access to the
CPU is possible without STEP 7 installed.
The web server can only be configured using STEP 7. The following options are available for
accessing the web server of the CPU:
● By means of a web browser under Linux on the same PC
● By means of a web browser on an external device using the virtual Ethernet interfaces
● By means of a web browser on an external device using the assigned PROFINET
interfaces
Access to the web server via the virtual Ethernet interfaces is described in the section
"Configuring the Web server (Page 45)".
Benefits of the web server
The Web server enables monitoring and administering of the CPU by authorized users over
a network. This enables long-distance evaluations and diagnostics. Monitoring and
evaluation is possible without STEP 7; all you need is a web browser. Make sure that you
protect the CPU from being compromised through the use of different methods (for example
limiting network access, using firewalls (Page 84)).
Web browser
You need a Web browser to access the Web pages of the CPU. The following web browsers
have been tested for communication with the CPU:
● Internet Explorer (version 11)
● Mozilla Firefox (Version 65)
● Google Chrome (Version 71.0.3578.98)
● Mobile Safari and Chrome for iOS (Version 61) (iOS 12.1.4)
● Android Browser and Android Chrome (Version 4) (Jelly Bean 4.3, KitKat 4.4, Lollipop 5.0
to 5.1.x, Marshmallow 6.0 operating system)
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