描述
电缆屏蔽层必须一点接地,如果电缆屏蔽层两端A、B都接地,就存在地电位差,则有电流流过屏蔽层,当发生异常状态如雷击时,地线电流将更大。此外,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
Honeywell 12K Rom/1K Ram 30750218-9 TDC 2000 ______HH5
Honeywell CMOS Card 30735857-01 TDC 2000 _____HH9
Honeywell CMOS Memory 30735857-01 TDC- 2000 ____ H40
Honeywell Trend Memory 30735974-2 TDC- 2000 _____H37
Honeywell Board 4DP7APX IO211 TDC- 2000 ____H42
Honeywell 51304362-100 Low Level Analog Mux TDC 3000
Honeywell TDC 3000 51305907-175 Low Level Analog FTA
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