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Reflexive Diagnostic Units Invigorate After-Sales Service

     
What is a Reflexive Diagnostic Unit (RDU)? Technically speaking, it is a small, but powerful Java program, which contains the diagnostics knowledge of a specialist and the analysis commands of the operating and/or applications system. The author takes a brief look at how RDUs are now being used to invigorate after-sales service.

In after-sales service activities for maintenance and repair, the trend is moving away from reactive approaches and toward preventative strategies. And, this is where the new RDU technology is making its greatest impact. With the RDU concept:

  • Specialist knowledge is made comprehensible and made available to third parties
  • System knowledge is automated and made available to a wide range of users
  • Reaction to disturbances is “just-in-time”
  • Trend recognition for the plant or process is performed online.

What is more, RDUs act autonomously, without user intervention and without the need for a communication network to be continuously available. They are mobile (and can move independently from computer to computer), recognize trends and fault situations and perform defined actions in a timely manner – from E-mail reporting to adapation of the configuration. Finally, RDUs communicate with other RDUs, combining when necessary to handle a task more efficiently.

Customer plants supported by the RDU concept from ATD MP benefit by having:

  • Partially-automated monitoring of the plant or its sections
  • A clear division of tasks between the customers maintenance team and ATD MP as service provider (including defined communication paths)
  • Up-to-date diagnosis algorithms thanks to the mobility
  • and easy loading of RDUs
  • Reliance on the longstanding and comprehensive process and software experience cumulated by ATD MP.

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Thomas Heimke, Siemens AG, Erlangen