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Module Offers Simplified Connectivity and Achieves Faster Analog Conversions

Mon, 07/18/2011 - 6:32am
Medical Design Technology
Module Offers Simplified Connectivity and Achieves Faster Analog ConversionsPepperl+Fuchs introduces VBA-2E-G11-I/U/PT100-F G11-style AS-Interface Analog Modules. The new IP68/69k-rated and field-mountable G11 style housing features industry-standard M12 style connectors to enable quick installation and removal, even under power. The unit’s water-tight housing accepts two freely selectable analog inputs for 4-20mA, 0-10V or PT100 type signals. The overall analog conversion speed of these modules is just 8 ms. Including data transmission over the network, the module is more than 30% faster than competitive modules.

Additional features of these G11 AS-Interface modules include:

  • Automatic scaling to 4000-20000 for 4-20mA, 0-10000 for 0-10V, and -2000 to 8500 for -200C°-+850°C
  • User-selectable 0-20mA or 4-20mA input option
  • Inputs powered by AS-Interface or Auxiliary, dip switch (user-selectable)
  • Unique G11 O-ring sealing technique that makes these modules impervious to water, dirt and oils

“Size, quick connection, and mounting flexibility are just the beginning. With an innovative clean design, the G11’s smooth housing prevents dirt and oil from accumulating. It’s also the first AS-Interface module on the market to incorporate two radial O-rings that ride on precision conical housing components, with optimal O-ring mounting pressure guaranteed by design to deliver an impressive IP68/69k protection rating that is resistant to high-pressure washdown and cleaning solutions,” says Helge Hornis, PhD, Manager, Intelligent Systems. “These design features also provide exceptional protection of internal electronics without encapsulation. This reduces thermal stress on the internal electronics, making the module particularly well suited for applications where frequent temperature swings are present,” he says.

Sealing at the AS-Interface flat cable is another significant advantage. This is achieved by leveraging the same field-proven technology used on Pepperl+Fuchs passive splitters. The symmetric sealing contours around the gold-plated piercing pins provide a precise fit to the AS-Interface cable. The only externally exposed materials are impact resistant and chemically inert PBT and stainless steel. The sturdy mounting base attaches with just two M5 screws and further enhances the impact resistant round design.

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