Method for transmitting a process map via a gateway device
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United States of America Patent
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Feb 21, 2017
Grant Date -
Apr 17, 2014
app pub date -
Dec 19, 2013
filing date -
Jul 6, 2011
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Abstract
Exemplary methods and systems are directed to transmitting a process map of a control or automation system via a gateway device. The gateway device includes at least one first functional unit connected to a higher-ranking control unit via a first communications link based on a primary field bus protocol, and at least one second functional unit connected to at least one field device via a second communications link based on a secondary field bus protocol. Binary signals are stored in corresponding registers and analog signals, which are in an integer format, are transmitted to the first functional unit such that the number of binary signals is reduced by packing the binary signals into data bytes. The data bytes are translated into corresponding telegrams that can be processed by the primary field bus protocol and with the analog signals are transmitted to the higher-ranking control unit.
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