Siemens SIMATIC S7-1200 System Manual page 1004

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Table of Contents

12.1 Enabling the Web server

After you download the device configuration, you can use the standard Web pages to access

If you created and enabled user-defined Web pages (Page 1040), you can access them from

the standard or basic Web page navigation menu.

Device exchange: Replacing a V3.0 CPU with a V4.x CPU

If you replace an existing V3.0 CPU with a V4.x CPU (Page 1571) and convert your V3.0

project to a V4.x project, note that STEP 7 and the V4.x CPU retain the Web server settings

• "Activate web server on all modules of this device"

• "Permit access only with HTTPS"

If a "Download in RUN" (Page 1335) 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.

The Web server discards any attempts to write data values while a download is in progress.

S7-1200 Programmable controller

System Manual, V4.2, 09/2016, A5E02486680-AK