Installation Rules - Siemens Simatic CFU Commissioning Manual

Compact Field Unit in the enclosure for use in a hazardous area
11.3 Configuration with SIMATIC CFU PA bundle with aluminum enclosure
11.3.2.3

Installation rules

NOTICE
Risk of injury due to heavy weight of the SIMATIC CFU bundle with aluminum enclosure
The weight of the SIMATIC CFU bundle with aluminum enclosure is approx. 5.5 kg. Hold the
device securely in your hand during installation.
Technical setup
The SIMATIC CFU is pre-assembled in the enclosure.
Maintenance
● In case of the bundle with aluminum enclosure, the included SIMATIC CFU may be
replaced.
● Functional checks shall be carried out in accordance with EN 60079-17.
● The SIMATIC CFU must be sent to the manufacturing location for repairs. Repairs may
only be carried out there.
Installation location in Zone 2/22 hazardous areas
Installation regulations and country-specific regulations
Always adhere to the installation regulations in accordance with EN 60079-14 and any
regulations specific to your country.
Documentation for installation of PROFINET IO and PROFIBUS PA is available from
PROFIBUS & PROFINET International (PI) (https://www.profibus.com/):
● PROFIBUS PA: Technical Guideline
● PROFINET: Guideline
Explosion hazard
In some cases, ignitable sparks or unacceptable surface temperatures may be generated
during connection.
● Never perform mounting under explosive conditions!
● Use a non-magnetic screwdriver when connecting the cables!
116
DANGER
"PROFINET Installation Guideline for Cabling and Assembly"
DANGER
"PROFIBUS PA, User and Installation Guideline"
Commissioning Manual, 07/2018, A5E39252870-AC
SIMATIC CFU