Let’s attempt a logical breakdown (even though unofficial):
Festo provides two main types of documentation for its components: festo rrftokc2018 manual pdf
According to Festo’s lifecycle data (found in the "Obsolescence" section of the manual): understand what information it should contain
Nevertheless, this article will guide you through the proper steps to locate the correct manual, understand what information it should contain, and how to get support if the exact PDF is not publicly available. festo rrftokc2018 manual pdf