Electrical Design Of The Cm - Siemens SIMATIC RF185C Operating Instructions Manual

5.2

Electrical design of the CM

Electrical isolation
In the electrical design of the communications module, electrical isolation is provided
between:
● Load voltage 2L+ and all other circuit components
● Communication interfaces (PROFINET) of the communications module and all other
circuit components
The following figure shows the potential ratios of the communications module.
Figure 5-5
SIMATIC RF185C, RF186C, RF188C
Operating Instructions, 10/2018, C79000-G8976-C512-01
Potential ratios of the communications module
Connection
5.2 Electrical design of the CM
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