| 价格 | 2258.00元 |
|---|---|
| 区域 | 福建省 |
| 来源 | 厦门泰尼电气科技有限公司 |
详情描述：
IC693CPU323P
IC693CPU323P
IC693CPU323P
为防止干扰，可采用硬件和软件的抗干扰措施，其中，硬件抗干扰是基本和重要的抗干扰措施，一般从抗和防两方面入手来抑制和消除干扰源，切断干扰对系统的耦合通道，降低系统对干扰信号的敏感性。
2.1 电源系统引入的干扰
电网的干扰，频率的波动，将直接影响到PLC系统的可靠性与稳定性。如何抑制电源系统的干扰是提高PLC的抗干扰性能的主要环节。
(1) 加装滤波、隔离、屏蔽、开关稳压电源系统。
设置滤波器的作用是为了抑制干扰信号从电源线传导到系统中，使用隔离变压器，必须注意:屏蔽层要良好接地;次级连接线要使用双绕线(减少电线间的干扰)，隔离变压器的初级绕组和次级绕组应分别加屏蔽层，初级的屏蔽层接交流电网的零线;次级的屏蔽层和初级间屏蔽层接直流端。
为了抑制电网大容量设备起停(如送水泵等)引起电网电压的波动，保持供电电压的稳压，可采用开头稳压电源。
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| 联系人 | 小黄销售代表 |
|---|
