140CPU67160 SCHNEIDER 控制电路

ABB BRC300
BETA LASERMIKE 8000-306
EMERSON CE3008
TELESIS TMC420
TELESIS TMC420
EMERSON VE3008
SIEMENS 6DD1682-0CH2
ABB BRC300
EMERSON VE3008
ABB BRC300
ABB BRC300
NEC FC-9821KE
ABB PM803F

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Description

使行程开关SQ2受压,SQ2的一对常开触头接通,这就使控制电路中KM得电动作,主电路中KM三个常开主触头闭合,电动机M就起动运行。随着水泵的工作,水塔中水位逐渐上升,浮球上升又使撞块向下离开行程开关SQ2,行程开关一旦不受压就会复位,从而使SQ2常开触头断开

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