1000554 EMERSON

336A4932BSG01 W CABP J7 ATBA J7
336A4932BSG03 W CABP J7 ATBA J7
336A4937AAG065 WIRES 65″ 125VDC PDM
336A4937AAG075 WIRES 75″ 125VDC PDM
336A4937AAG085 WIRES 85″ 125VDC PDM
336A4937AAG115 WIRES 115″ 125VDC PDM
336A4937AAG155 WIRES 155″ 125VDC PDM
336A4937AAG175 WIRES 175″ 125VDC PDM
336A4937AAG210 WIRES 210″ 125VDC PDM
336A4937AAG220 WIRES 220″ 125VDC PDM

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描述

屏蔽层、接地线和大地有可能构成闭合环路,在变化磁场的作用下,屏蔽层内有会出现感应电流,通过屏蔽层与芯线之间的耦合,干扰信号回路。若系统地与其它接地处理混乱,所产生的地环流就可能在地线上产生不等电位分布,影响PLC内逻辑电路和模拟电路的正常工作。PLC工作的逻辑电压干扰容限较低,逻辑地电位的分布干扰容易影响PLC的逻辑运算和数据存贮,造成数据混乱、程序跑飞或死机。模拟地电位的分布将导致测量精度下降,引起对信号测控的严重失真和误动作

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