BECKHOFF EL1904 - Manual (Page 20)

Operation
18 EL1904
4 Operation
Please ensure that the TwinSAFE terminals are only transported, stored and operated under the specified
conditions (see technical data)!
WARNING
Caution - Risk of injury!
The TwinSAFE terminals must not be used under the following operating conditions:
 under the influence of ionizing radiation
 in corrosive environments
 in an environment that leads to unacceptable soiling of the Bus Terminal
Attention
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 TwinSAFE components, the function of
the TwinSAFE components may be impaired.
4.1 Installation
4.1.1 Safety instructions
Before installing and commissioning the TwinSAFE terminals please read the safety notes in the foreword
of this documentation.
4.1.2 Transport / storage
Use the original packaging for transporting or storing the digital TwinSAFE terminals.
CAUTION
Note the specified environmental conditions
Please ensure that the digital TwinSAFE terminals are only transported and stored
under the specified environmental conditions (see technical data).