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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.

Jul 6, 2014

Analog output modules -- Tim and Helge again talk about AS-Interface data sheets. More specifically, they are focusing on the data that is specific to analog output modules, such as the G11 AS-Interface module VBA-4A-G11-I/U-F.

  • --The voltage and current range specifies what kind of output signals the modules can generate.  While 0 V -10 V and 4 mA to 20 mA is normal, it is also possible to output current signals down to 0 mA.
  • --The supply section specifies whether the outputs are powered from the AS-Interface yellow cable or the back AUX cable.  The second option is, of course, able to provide a lot more current.
  • --Parameter bits are again used to modify the operation.  Frequently, the parameter bits are used to configure the module watchdog.
  • --On some modules, a DIP switch is used to lock in the type of output; either current or voltage.