Connecting
7.2 Potential ratios
PN/BACnet LINK
54
Operating Instructions, 10/2017, A5E39895543-AA
7.2
Potential ratios
Electrical isolation
Electrical isolation for the PN/BACnet LINK exists between the following switching
components:
●
The signals of the PROFINET interfaces are galvanically isolated from each other, from
the electronics or 24 V supply voltage and from the fieldbus interfaces.
●
The BACnet interface is galvanically isolated from the power supply.
Shielding
The shields of the PROFINET interface are galvanically connected.
NOTICE
Sufficient interference immunity is only achieved through EMC compliant application of the
cable shields of the PROFINET and BACnet cables to a shield rail.
Figure 7-1
Block diagram shielding
Содержание SIMATIC PN/BACnet LINK
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