1794-OE8H
1794-OE8H
1794-OE8H
（2）来自电源的干扰。因电源引入的干扰造成PLC控制系统故障的情况很多，更换隔离性能好的PLC电源，才能解决问题。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和电路。尤其是电网内部的变化，如开关操作浪涌、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。PLC电源通常采用隔离电源，但因其结构及制造工艺使其隔离性并不理想。
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厦门泰尼电气有限公司
Xiamen Thani Electric Co.,Ltd
联系人：小黄
电话:
手机:
QQ:2917675397
传真:
Adress:厦门市海沧区滨湖一里7号2008室
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