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我在使用 NI-DMM 驱动和 NI PCI-4060 时发生一个间隔时间(Aperture Time)属性节点的错误1074135024
当电源线输入频率为60Hz时,PCI-4060的间歇时间(aperture times )只能使用1、6、12和120的电源线周期(PLCs),当电源线频率为50Hz时,只能设置为1,、5、10和100,。如果将NI-DMM属性节点设置为其他的任何值都将出现“错误1074135024 ”的结果。
如果设置PLC为1,、5、10和100,则必须先确定属性节点 powerline frequency 为50 Hz。LabVIEW 执行属性节点的顺序为从上到下,故首先必须设定属性节点 powerline frequency ,如下图所示。 NI-DMM 驱动默认电源线频率为60Hz,所以在60Hz下不必设置 NI 4060 的电源线频率为1、6、12和120PLC。电源线频率属性节点位于:Configuration» Measurement Options» Powerline Frequency,间歇时间 (aperture time) 属性节点位于Configuration»Advanced.
当电源频率为50赫兹时,电源线周期等于1/50秒,当为60赫兹时则等于1/60秒
KnowledgeBase 3U2CUT2W: Reducing Noise with DMM Measurements
NI Digital Multimeters Help: Selecting Aperture Time for DC Measurements
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