104BWeb server
11.1 Enabling the Web server
S7-1200 Programmable controller
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System Manual, 11/2011, A5E02486680-05
11.1
Enabling the Web server
You enable the Web server in STEP 7 from Device Configuration for the CPU to which you
intend to connect.
To enable the Web server, follow these steps:
1.
Select the CPU in the Device Configuration view.
2.
In the inspector window, select "Web server" from the CPU properties.
3.
Select the check box for "Enable Web server on this module".
4.
If you require secure access to the standard web pages, select the "Permit access only
with HTTPS" check box.
After you download the device configuration, you can use the standard Web pages to access
the CPU. If you select "Enable" for "Automatic update", the pages refresh every ten seconds.
If you created user-defined Web pages, you can access them from the standard Web page
menu.
Note
If a "Download in RUN" (Page 650) is in progress, standard and user-defined Web pages do
not update data values or permit you to write data values until the download is complete. Any
attempts to write data values while the download is in progress are discarded.
11.2
Standard web pages
11.2.1
Accessing the standard Web pages from the PC
To access the S7-1200 standard Web pages from a PC, follow these steps:
1.
Ensure that the S7-1200 and the PC are on a common Ethernet network or are
connected directly to each other with a standard Ethernet cable.
2.
Open a Web browser and enter the URL "http://ww.xx.yy.zz", where "ww.xx.yy.zz"
corresponds to the IP address of the S7-1200 CPU.
The Web browser opens the Introduction page.
Note
If your Internet access prevents direct connection to an IP address, see your IT
administrator. Your Web environment or operating system might also impose other