Up to 50 SIMATIC PCS 7 Web clients can access the data of a SIMATIC PCS 7 Web server via the Intranet/Internet. One Web client or a small number of Web clients have access to multiple Web servers for remote operation, diagnostics or monitoring purposes.
Suitable security measures (including IT security, e.g. network segmentation) should be taken in order to guarantee safe operation of the plant.
You can find more information on the topic of industrial security on the Internet under