Safety instructions
Modifications to functions and function blocks
We assume that persons using or modifying functions and function blocks are authorized and trained appropriately and have the technical knowledge required to use or modify the functions and function blocks as intended.
Alterations in predefined functions or function blocks can lead to safety critical situations.
Alteration of functions or function blocks is in responsibility of the engineer.
WARNING

Modifications
Modifications to a functions or a function blocks may cause safety critical situations, faults or malfunctioning.