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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 26, 2014

Powering the AS-Interface network -- AS-Interface is unique and particularly easy to work with.  For instance, power and communication are transmitted over a simple two-conductor cable.  Since cost and reliability are always a concern, AS-Interface was designed as a floating solution running at a slightly elevated voltage of 30.5 VDC.  Why?  Just listen.

  • --30 VDC makes costly DC-DC converters unnecessary
  • --AS-Interface power supplies come with internal decoupling allowing power and communication
  • --Power supplies are offered for primary supply voltages between 24 VDC and 500 VAC 3-phase