Foreword
Function blocks for TwinSAFE logic components 7
1 Foreword
1.1 Notes on the documentation
1.1.1 Target group
This description is aimed specifically at trained qualified persons with a control and automation
technology background, who are familiar with the current national and international standards and
guidelines.
The following instructions and explanations must be followed during installation and commissioning of the
components.
The qualified personnel must ensure that the application of the described products meets all safety
requirements, including all applicable laws, specifications, regulations and standards.
1.1.2 Origin of the document
This documentation was originally written in German. All other languages are derived from the German
original.
1.1.3 Currentness
Please check whether you are using the current and valid version of this document. The current version
can be downloaded from the Beckhoff homepage at
http://www.beckhoff.com/english/download/twinsafe.htm . If in doubt, please contact the technical support
(see chapter 4.1 Beckhoff Support and Service).
1.1.4 Product features
Only the product features specified in the current user documentation are valid. Further information given
on the product pages of the Beckhoff homepage, in emails or in other publications is not authoritative.
1.1.5 Disclaimer
The documentation has been prepared with care. The products described in this document are subject to
cyclical revision. For that reason the documentation is not in every case checked for consistency with
performance data, standards or other characteristics. We reserve the right to revise and change the
documentation at any time and without prior announcement. No claims for the modification of products
that have already been supplied may be made on the basis of the data, diagrams and descriptions in this
documentation.
1.1.6 Trademarks
Beckhoff
®
, TwinCAT
®
, EtherCAT
®
, EtherCAT G
®
, EtherCAT G10
®
, EtherCAT P
®
, Safety over EtherCAT
®
,
TwinSAFE
®
, XFC
®
, XTS
®
and XPlanar
®
are registered and licensed trademarks of Beckhoff Automation
GmbH.
Other designations used in this publication may be trademarks whose use by third parties for their own
purposes could violate the rights of the owners.
1.1.7 Patents
The EtherCAT technology is patent protected, in particular by the following applications and patents:
EP1590927, EP1789857, DE102004044764, DE102007017835 with the corresponding applications and
registrations in various other countries.
The TwinCAT technology is patent protected, in particular by the following applications and patents:
EP0851348, US6167425 with corresponding applications or registrations in various other countries.