Description
按钮、行程开关的触点接触要保持在良好状态,接线要牢固可靠。机械限位开关是容易产生故障的元件,设计时,应尽量选用可靠性高的接近开关代替机械限位开关。此外,按钮触点的选择也影响到系统的可靠性。在设计电路时,应尽量选用可靠性高的元器件
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