Connecting
6
6.1 Electrical isolation and grounding
Introduction
You can wire the 24 V power supply to the described modules depending on the requirements
of your system configuration:
● Grounded configuration
● Ungrounded configuration
Power supply
The 24 V DC power supply is connected by a 2-pin connector from the bottom. You can find
additional information on this in section "Connecting the power supply (Page 37)".
Electrical isolation for Compact FF Link
The following areas of the Compact FF Link are electrically isolated from one other:
● 24 V power supply
● PROFIBUS DP
● FOUNDATION Fieldbus
Reference
You can find more detailed information about these topics in Operating Instructions
DP/PA
coupler, Active Field Distributor, DP/PA Link and Y Link
:
● General rules and regulations
● Grounding the active field distributors
● Operation with grounded supply
● Operation with ungrounded reference potential
Due to the same physical conditions, the specifications made there apply accordingly.
For information on the cable used, refer to section Article numbers (Page 89).
Compact FF Link
Operating Instructions, 03/2015, A5E35651552-AA 33
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