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Flexibly configurable, data transmission object

  • US 8,880,197 B2
  • Filed: 12/22/2010
  • Issued: 11/04/2014
  • Est. Priority Date: 12/23/2009
  • Status: Active Grant
First Claim
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1. A fieldbus system, comprising:

  • a fieldbus;

    a field device, which is connected to said fieldbus; and

    a host computer, in which at least one of a device management unit or a control system for said field device is implemented and applies a device description file of said field device;

    wherein;

    in said device description file, a data transmission object for data exchange between said field device and said host computer or an additional field device is defined, which includes a plurality of freely loadable, transmission berths;

    said device description file, serves to establish that the data transmission object has a certain number of transmission berths for input variables, which are transmitted in the data transmission object from the field device to the host computer or to the additional field device;

    orsaid device description file, serves to establish that the data transmission object has a certain number of transmission berths for output variables, which are transmitted in the data transmission object from said host computer or from said additional field device to the field device;

    said field device provides variables to be transmitted and includes a data mapping structure, which effects an association of variables to be transmitted with transmission berths of said data transmission object; and

    the field device is also configured to completely or partially transmit the mapping information contained in the data mapping structure from the field device to the host device or to the additional field device.

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