| 摘要 |
PROBLEM TO BE SOLVED: To provide an electric leakage detection device that can suppress wrong detection of electric leakages.SOLUTION: A processing unit 11 is configured to detect whether an electric leakage takes places on the basis of an AD conversion value in which an output voltage output from a hard filter 70 is Analog-to-Digital converted by an A/D input port 12; count an edge of an output voltage detected by a digital input port 13 to determine whether noise overlaps on the output voltage on the basis of whether a count value counted within prescribed time reaches a preliminarily set noise determination threshold; and when the count value reaches the noise determination threshold, determine that the noise overlaps on the output voltage to prohibit detection of the electric leakage based on the AD conversion value.SELECTED DRAWING: Figure 1 |
