Siemens Simatic CFU User Manual

Compact Field Unit (CFU) in the automation environment
The following figure demonstrates basic integration of a CFU PA with an housing in the
automation environment.
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Figure 11-1 Basic integration of a CFU in the automation environment with field devices in a hazardous
area (CFU PA is given as an example)
11.2 Grounding for configuration with SIMATIC CFU with aluminum
housing
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.
● CFU PA: The shields of the fieldbus cables must be connected to the shield terminals.
Compact Field Unit in the housing for use in a hazardous area
11.2 Grounding for configuration with SIMATIC CFU with aluminum housing
SIMATIC CFU
130 Commissioning Manual, 08/2019, A5E39252870-AD

Siemens Simatic CFU Specifications

General

Brand	Siemens
Model	Simatic CFU
Category	I/O Systems
Language	English