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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 17, 2014

AS-Interface application -- Many types of automation systems can benefit from safe-rated encoders. These rotary encoders may be used within an AS-Interface safety system. In a typical application, the safety encoder is used to safely determine the velocity of a rotation.  Being able to safely know when a machine has stopped, is moving clockwise or counterclockwise, or rotates at an overspeed limit allows better process design.

  • --Overspeed allows you to safely determine if a motor is operating at speed above a safe limit
  • --The safe determination of CW/CCW rotation is useful in applications where the direction of motion needs to be known to ensure safety; doors and lifts come to mind
  • --Safe stop assures that a machine has truly stopped before accessing the system for maintenance