Title: Automation device
Application Number: 200610153937 Application Date: 2006.09.12
Publication Number: 1932914 Publication Date: 2007.03.21
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G08C19/16
Applicant(s) Name: ABB Patent GmbH Address:
Inventor(s) Name:
Attorney & Agent: liyong
Abstract:
    The invention relates to an automation device, with which a multiplicity of physically distributed functional units communicate with each other by means of a common transmission protocol. The device has a microcontroller ( 110 ), which is assigned at least one clock generator ( 120 ) and one memory unit ( 150 ), and which is connected at least to one data source ( 140 ), which is designed to output a data bit-stream to be transmitted. Connected to a group of associated input/output connections (which can be addressed together) of the microcontroller ( 110 ) is a resistor network comprising a plurality of resistors whose respective first connection is connected to one of the input/output connections and whose respective second connections are connected together and are connected to an input of an amplifier. The resistances of the resistors follow a sequence n*R, where 1
Time: 7
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