MAC071B-0-PS-2-C/095-A-0/S047

发布时间:2018-03-20

MAC071B-0-PS-2-C/095-A-0/S047 

PLC控制系统故障率情况是怎样的?

1)CPU与存储器故障率占5%。

2)I/O模块故障率占15%。

3)传感器及开关故障率占45%。

4)执行器故障率占30%。

5)接线等其他方面故障率占5%。

02

PLC的故障多发点有哪些?

1)继电器、接触器。

2)阀门、闸板。

3)开关、极限位置、安全保护、现场操作的一些元件或设备。

4)PLC系统中的子设备。

5)传感器、仪表。

6)电源、地线、信号线的噪声。


福州卓凯电子科技有限公司联系人:小林

公司地址:福州市闽侯西江滨大道77号正荣润园一号楼1205

主营:世界的PLC DCS 系统备件 模块

⒈Allen-Bradley(美国AB)系列产品》
⒉(
施耐德电气)系列产品》
⒊General electric(
通用电气)系列产品》
⒋Westinghouse
(美国西屋)系列产品》
⒌SIEMENS(
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