5SHY3545L0010 ABB

ABB LD GRB-01 3BSE013177R1
ABB 6070049ABB13028618
ABB NORR1500-21-CC FPL8946515R6003 CTC2002007R1
ABB OETL-NF1200 600VAC 1200A
ABB ACS800-U1-0100-5+P901 75KW

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以开关量输入为例,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

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