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Pepperl+Fuchs Podcasts

Pepperl+Fuchs’ TechTalk helps listeners gain an insight into modern automation technologies by focusing on AS-Interface (Actuator Sensor Interface) and its associated safety technology, Safety at Work. TechTalk covers topics that range from hardware selection to installation and maintenance. Control engineers familiar with AS-Interface will get the latest news on specification enhancements, hear about new products, and familiarize themselves with established and cutting-edge troubleshooting methods, tips, and tricks.  Users who are interested in applying these technologies will learn what it takes to set up an AS-Interface system, how Safety at Work improves safety systems, and why those technologies have the potential to save time and money during all phases of a project.

Aug 16, 2015

Did you know that AS-Interface segments should be no longer than 100 m?  In some cases it is possible to extend that length to 200 m using a terminator.  In very rare cases an AS-Interface tuner can be used to set up even longer AS-Interface segments ... at a price.

  • --As always, sticking to the rules is best.  Keeping segments to 100 m or less allows network segments to be shaped arbitrarily
  • --The terminator works well when a segment is over 100 m but less than 200 m
  • --Do not use a terminator if the network does not need it; more is not better
  • --When using a terminating device it is important to make the segment as linear as possible
  • --The terminating device must be as far from the power source as possible
  • --Stay away from the tuner

Visit our website to download the Troubleshooting Guide.