Grounding For Configuration With Simatic Cfu Pa Bundle With Aluminum Enclosure - Siemens Simatic CFU Commissioning Manual

Compact Field Unit in the enclosure for use in a hazardous area

11.2 Grounding for configuration with SIMATIC CFU PA bundle with aluminum enclosure

Compact Field Unit (CFU) in the automation environment
The following figure demonstrates basic integration of a CFU PA with an enclosure in the
automation environment.
Figure 11-1
11.2 Grounding for configuration with SIMATIC CFU PA bundle with
aluminum enclosure
Equipotential bonding
You must set up an equipotential bonding in hazardous areas acc. to IEC 60079-14.
● By mounting the CFU on the top hat rail, a conductive connection to the aluminum housing
is made via the clamp attachment.
● The shields of the fieldbus cables must be connected to the shield terminals.
110
Basic integration of a CFU in the automation environment with field devices in a hazardous
area (CFU PA is given as an example)
Commissioning Manual, 07/2018, A5E39252870-AC
SIMATIC CFU