ICS TRIPLEX T7150A

自觉心是进步之母，自贱心是堕落之源，故自觉心不可无，自贱心不可有。——邹韬奋
 （1）强电干扰：PLC系统的正常供电电源均由电网供电。由于电网覆盖范围广，它将受到所有空间电磁干扰而在线路上感应电压。尤其是电网内部的变化， 如刀开关的使用均会产生电网内部的扰动。

　　刀开关也就是我们通常所说的闸刀开关，是一种接通和分断交直流电路或作隔离开关用的手动开关装置。操作浪涌、大型电力设备起停、交直流传动装置引起的谐波、电网短路暂态冲击等，都通过输电线路传到电源原边。

　　（2）柜内干扰：控制柜内的高压电器，大的电感性负载，混乱的布线都容易对PLC造成一定程度的干扰。FURNAS ELECTRIC CO 3SB1-420-2A 

FURNAS ELECTRIC CO 3SB1-430-0C 

FURNAS ELECTRIC CO 3SB1-802-0AC 

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