SIMATIC RF120C
Operating Instructions, 02/2021, C79000-G8976-C328-03
7
2.1 Area of application and features
Area of application
The SIMATIC RF120C communications module is a module for the SIMATIC S7-1200
controllers. The RF120C can be used as a central I/O device in a SIMATIC S7-1200 with
firmware version ≥ 3.0.
Figure 2-1 RF120C communications module
When operating the communications modules with a SIMATIC S7-1200, there is a global
library with function blocks available to you.
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