Constraints When Javascript Is Disabled; Features Restricted When Cookies Are Not Allowed - Siemens SIMATIC S7-1200 Manual

9.2.1

Constraints when JavaScript is disabled

Disabling JavaScript restricts some features
The standard Web pages are implemented using HTML, JavaScripts, and cookies. Unless
your site restricts the use of JavaScripts and cookies, enable them for the pages to function
properly. If you cannot enable JavaScripts for your Web browser, the features controlled by
JavaScripts cannot run.
Table 9- 1
Standard Web page
General
Module information
Diagnostic
Variable
Data Logs
9.2.2

Features restricted when cookies are not allowed

If your Web browser does not allow cookies you cannot log in with the "admin" user name.
Easy Book
Manual, 11/2011, A5E02486774-04
Web pages affected when JavaScript is disabled
Effect
Data on the pages does not update dynamically. You must

manually refresh the page with the refresh icon to view fresh
data.
You cannot log in as the "admin" user.

You cannot filter the data.

You cannot sort fields.

Displaying the event details: Without JavaScript, you must click

the event field hyperlink of a diagnostic buffer entry to see the
event data in the bottom section.
Changing the range of diagnostic buffer entries to view: Without

JavaScript, you use the drop-down list at the top to select the
range of diagnostic buffer entries to view, but you must then click
the "Go" link to update the diagnostic buffer page with the range
you selected from the drop down list.
After you enter each variable, you must manually set the focus to

the "New variable" row to enter a new variable.
Selecting a display format does not automatically change the data

value display to the selected format. You must click the "Monitor
value" button to refresh the display with the new format.
You cannot click a file name under "Recent entries" to open or

save a log file. You can, however, use the Download icon for the
same functionality.
The Data Logs page does not refresh.

The "+" and "-" buttons to increment and decrement the number

of entries have no effect.
Note that you can leave the Data Logs page and reenter to get

the most recent 25 entries.
Web server for easy Internet connectivity
9.2 Constraints that can affect the use of the Web server
183