Siemens Simatic CFU, Commissioning Manual, Page: 135 / 220

WARNING
When using in hazardous areas, observe the following:
● The regulations applicable in the country of application for the installation and operation of
devices in explosion-prone areas.
● In the countries of the European Union, the national implementation of the EU Directive
1999/92/EC.
● In Germany, this is the BetrSichV [Operational Safety Ordinance].
● The provision for the installation of electrical systems in explosion-prone areas DIN EN
60079-14 (VDE0165) and DIN EN1127-1.
● The EC-type examination certificate.
All work on electrical circuits for explosion-prone systems must be carried out by qualified
personnel.
11.3.2 Installation
11.3.2.1 Configuration with CFU
Introduction
The SIMATIC CFU with aluminum housing is approved as a combination of housing and
SIMATIC CFU. For explosion-prone areas, approval is valid up to zone 2/22.
11.3.2.2 Installation
The SIMATIC CFU with aluminum housing must be installed and connected by qualified
personnel.
11.3.2.3 Installation rules
NOTICE
Risk of injury due to heavy weight of the SIMATIC CFU bundle with aluminum housing
The SIMATIC CFU with aluminum housing weighs approx. 5.5 kg. Hold the device securely in
your hand during installation.
Technical setup
The SIMATIC CFU is pre-assembled in the housing.
Compact Field Unit in the housing for use in a hazardous area
11.3 Configuration with SIMATIC CFU with aluminum housing
SIMATIC CFU
Commissioning Manual, 08/2019, A5E39252870-AD
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