Beckhoff EL72 1-901 Series, Manual

Page: 36 / 263

Installation
EL72x1-901x 36 Version: 1.9
4 Installation
4.1 Safety instructions
Before installing and commissioning the TwinSAFE components please read the safety instructions in the
foreword of this documentation.
4.2 Environmental conditions
Please ensure that the TwinSAFE components are only transported, stored and operated under the specified
conditions (see technical data)!
WARNING
Risk of injury!
The TwinSAFE components must not be used under the following operating conditions.
• under the influence of ionizing radiation (that exceeds the level of the natural environmental radiation)
• in corrosive environments
• in an environment that leads to unacceptable soiling of the TwinSAFE component
NOTE
Electromagnetic compatibility
The TwinSAFE components comply with the current standards on electromagnetic compatibility with regard
to spurious radiation and immunity to interference in particular.
However, in cases where devices such as mobile phones, radio equipment, transmitters or high-frequency
systems that exceed the interference emissions limits specified in the standards are operated near Twin-
SAFE components, the function of the TwinSAFE components may be impaired.
4.3 Transport / storage
Use the original packaging in which the components were delivered for transporting and storing the
TwinSAFE components.
CAUTION
Note the specified environmental conditions
Please ensure that the digital TwinSAFE components are only transported and stored under the specified
environmental conditions (see technical data).
4.4 Control cabinet / terminal box
The TwinSAFE terminals must be installed in a control cabinet or terminal box with IP54 protection class
according to IEC 60529 as a minimum.