METHOD FOR THE TRANSMISSION OF DATA USING SELF-DIAGNOSTIC PULSE WIDTH MODULATION

In a method for transmitting data between a master control unit and a slave control unit, the master control unit (4) outputs a pulse width-modulated signal (7) at an output terminal (HI_LO_BUS) in order to transmit the same to the slave control unit (5) via a bus (6). The method includes the steps:...

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Bibliographic Details
Main Authors WASKIEWICZ, LUDWIK, KOELLNER, WOLFGANG
Format Patent
LanguageEnglish
French
German
Published 17.03.2010
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:In a method for transmitting data between a master control unit and a slave control unit, the master control unit (4) outputs a pulse width-modulated signal (7) at an output terminal (HI_LO_BUS) in order to transmit the same to the slave control unit (5) via a bus (6). The method includes the steps: -the slave control unit (5) generates an acknowledgement signal at periodic acknowledgement intervals (TQuitt); -the slave control unit (5) influences the pulse width-modulated signal (7) transmitted on the bus (6) during the acknowledgement interval (TQuitt); -the master control unit (4) detects the influenced pulse width-modulated signal (7), the pulse width-modulated signal (7) output at the output signal terminal (HI_LO_BUS) being read back at an input signal terminal (Read_Back_Bus) of the master control unit (4).
Bibliography:Application Number: EP20060819800