Siemens SIMATIC NET System Manual page 332

Communications processors for SIMATIC S7
8.6 Communications processors for SIMATIC S7-1500
Figure 8-10 Protection and segmentation by firewalls with the CP 1543-1
CP 1545-1
The communication processor CP 1545-1 with CloudConnect functionality transfers data
recorded by SIMATIC S7-1500 to MindSphere or a cloud solution that supports the
standardized MQTT protocol, for example, Microsoft Azure or IMB Cloud. Through the
integrated firewall with Stateful Packet Inspection, the CP protects the SIMATIC S7-1500
station against unauthorized access.
Die CloudConnect function can be configured in TIA Portal in just a few steps.
The CP 1545-1 enables the integration in an IPv6 infrastructure: Parallel to the connection to
cloud applications, it supports the connection to other automation devices, such as HMI, via
Industrial Ethernet using the SIMATIC S7 protocol.
The figure shows an application example:
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System Manual, 09/2019, C79000-G8976-C242-10
Industrial Ethernet