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    • 2. 发明申请
    • DELTA SIGMA D/A CONVERTER
    • Δ-ΣD / A转换器
    • WO2012062552A2
    • 2012-05-18
    • PCT/EP2011068369
    • 2011-10-20
    • ENDRESS & HAUSER WETZER GMBHLUGLI ROBERTKORN MICHAELZOTZ ALFREDDAMITH STEPHAN
    • LUGLI ROBERTKORN MICHAELZOTZ ALFREDDAMITH STEPHAN
    • H03M7/32
    • H03M3/02H03M3/358H03M3/506H03M7/3028
    • The invention relates to a delta sigma D/A converter (48) by means of which a digitally valued input signal can be converted to a binary output signal that is time-discrete corresponding to one cycle. In the process, an analog representation of the value of the input signal can be produced using a mean value of the output signal, which has been formed over several cycles. The delta sigma D/A converter (48) is designed such that, during use, said converter provides the output signal by stringing together signal patterns of a set of signal patterns, wherein the signal patterns of the set are each binary, time-discrete corresponding to the cycle, and extend over a signal pattern cycle length of several cycles. At least two signal patterns of the set have signal pattern mean values which are different from each other, and which are formed over the respective signal pattern cycle length, and all the signal patterns of the set each have substantially the same number, in particular precisely the same number, of flanks.
    • 本发明涉及一种三角积分D /通过该digitalwertiges输入信号转换成二进制离散时间根据一个时钟输出信号A转换器(48)是可改变的。 所述输入信号的值模拟由形成在若干措施的空间表示的意思是所述输出信号的值。 Δ-ΣD / A转换器(48)被形成为使得在操作提供了通过的一组信号模式的信号模式的并置的输出信号,该组的信号模式是每个二进制,根据时钟和大约在时间上离散的 的几个巴的信号模式的周期长度延伸。 在该组一个的至少两个信号样本具有彼此不同的信号模式是指,它们通过各自的信号模式的周期长度而形成,并且所有的组中的每个的信号图案的具有基本上相同数量的,特别地,正好相同数量的齿面。
    • 3. 发明申请
    • RECOVERY METHOD FOR A DEVICE HAVING AN ANALOGUE CURRENT OUTPUT FOR OUTPUTTING A MEASURED VALUE OR A MANIPULATED VARIABLE
    • RECOVER对于设备程序,模拟电流输出问题进行读取或停车信息
    • WO2012041593A2
    • 2012-04-05
    • PCT/EP2011063959
    • 2011-08-12
    • ENDRESS & HAUSER WETZER GMBHLUGLI ROBERTOKORN MICHAEL
    • LUGLI ROBERTOKORN MICHAEL
    • G05B9/02
    • G05B19/0425G05B2219/33197
    • The present invention provides a method for operating a device (2) having an analogue current output (8) for outputting a current value corresponding to a measured value or a manipulated variable of the device (2) and a current final controlling element (16) which is associated with the current output (8) and sets the current value at the current output (8) on the basis of a current desired value provided in the device (2). During normal operation of the device (2), the current desired value is provided according to a measured value or manipulated variable to be output. In this case, the method has the following steps: monitoring, in the device (2) during normal operation, whether the current final controlling element (16) sets a high current value corresponding to the current desired value at the current output (8); providing a low current desired value below the lower current limit value if no correspondingly high current value can be set; and subsequently checking the current setting functionality by providing a high current desired value above the upper current limit value and by monitoring, in the device (2), whether the current final controlling element (16) can set a high current value corresponding to the high current desired value at the current output (8).
    • 根据本发明,(2)bereitge-假设用于操作的设备的方法,该方法的模拟电流输出(8),用于输出的装置的测量值或操作值(2)对应的电流值和电流输出端(8) 相关联的动力致动器(16),(2)在一个依赖提供的电力,在所述设备在所述电流输出(8)执行的电流值的设定目标值,。 在该装置(2)的正常操作中,电流设定值被设置值或输出相应于测量操作值。 在这种情况下该方法具有以下步骤:在设备监视(2)在正常操作中,如果一个对应于高电流值的电流输出的电流指令值(8)由所述动力致动器(16)调节; 提供低电流参考值低于如果没有相应高的电流值是可调节的下电流限制值; 然后通过提供一个高电流基准值检查Stromeinstellungs-操作性高于上电流限制值,并通过在该装置监视(2)如果由动力致动器相应高的高功率设定点的电流值(16) 可以在电流输出被置1(8)。