Web server
12.6 Standard Web pages
S7-1200 Programmable controller
1038 System Manual, V4.2, 09/2016, A5E02486680-AK
From the "Data Logs" folder, you can open any of the data log files. If you have logged in
with the "write/delete files" privilege (Page 1005), you can also delete, rename, and upload
files. The data log files are in comma-separated values (CSV) file format. You can save them
to your computer or open them in Microsoft Excel (default) or another program.
Note
Time stamps for data logs
The Web server displays the time stamps for the data logs in either UTC time or PLC local
time depending upon your selection
at the top of the page.
The "Delete" and "Rename" options are not available if you are not logged in with the
"write/delete files" privilege.
Note
Data log management
Keep no more than 1000 data logs in a file system.
Exceeding this number can prevent the
Web server from having enough CPU resources to display the data logs.
If you find that the File Browser Web page is not able to display the data logs, then you must
place the CPU in STOP mode in order to display and de
lete data logs.
Manage your data logs to ensure that you only keep the number that you need to maintain,
and do not exceed 1000 data logs.
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