5
1 Important Information about the Manual
1.3 Target Group
These instructions must have been read carefully and completely before commencing with
any work. The basic prerequisite for working safely is compliance with all the specified safety
instructions.
NOTICE
All assembly, commissioning, troubleshooting and maintenance work may only be carried
out by authorised and trained personnel.
The device may be operated and maintained only by those who are capable of doing so
in terms of their level of knowledge and training.
Opening the devices is not permitted under any circumstances.
For safety reasons, access to parameterization must be restricted to authorised
personnel.