Safety Instructions - Beckhoff EL3773 Documentation

Foreword
2.2

Safety instructions

Safety regulations
Please note the following safety instructions and explanations!
Product-specific safety instructions can be found on following pages or in the areas mounting, wiring,
commissioning etc.
Exclusion of liability
All the components are supplied in particular hardware and software configurations appropriate for the
application. Modifications to hardware or software configurations other than those described in the
documentation are not permitted, and nullify the liability of Beckhoff Automation GmbH & Co. KG.
Personnel qualification
This description is only intended for trained specialists in control, automation and drive engineering who are
familiar with the applicable national standards.
Description of symbols
In this documentation the following symbols are used with an accompanying safety instruction or note. The
safety instructions must be read carefully and followed without fail!
Serious risk of injury!
Failure to follow the safety instructions associated with this symbol directly endangers the
life and health of persons.
DANGER
Risk of injury!
Failure to follow the safety instructions associated with this symbol endangers the life and
health of persons.
WARNING
Personal injuries!
Failure to follow the safety instructions associated with this symbol can lead to injuries to
persons.
CAUTION
Damage to the environment or devices
Failure to follow the instructions associated with this symbol can lead to damage to the en-
vironment or equipment.
Attention
Tip or pointer
This symbol indicates information that contributes to better understanding.
Note
8 Version: 2.5 EL3773