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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.

Jan 5, 2014

All of a sudden, the AS-Interface safety system behaves strangely. One morning the AS-Interface system cannot be started unless one or a few e-stops are first activated and then released again?  In another case you realize that, after releasing an e-stop, you need to push a reset button twice. Not what you had in mind.  Lastly, we are discussing the case where all AS-Interface safety devices are in "Red Flashing" mode.  Highly unlikely, but easily fixed.

  • -- Be aware of the "startup test" check box
  • -- Make sure you use "local acknowledgment" properly
  • -- Make sure you teach the unique safety code internal to safety devices ... and do not re-teach unless absolutely necessary