1794-IA8
1794-IA8
1794-IA8
信号源接地时,屏蔽层应在信号侧接地;不接地时,应在 PLC 侧接地;信号线中间有接头时,屏蔽层应牢固连接并进行绝缘处理,一定要避免多点接地;多个测点信号的屏蔽双绞线与多芯对绞总屏电缆连接时,各屏蔽层应相互连接好,并经绝缘处理。选择适当的接地处单点接点。
5 结束语
PLC 控制系统中的干扰是一个十分复杂的问题,因此在抗干扰设计中应综合考虑各方面的因素,合理有效地***抗干扰,对有些干扰情况还需做具体分析,采取对症下药的方法,才能够使 PLC 控制系统正常工作。
PLC 故障与显示方法
在 PLC 控制系统中由于误操作、外围元件设备故障等会经常引发生产上的损失和安全事故,因此本文着重探讨故障形成的各种类型并进行逻辑设计,同时将故障诊断信息通过特定的途径进行显示、报警和存档。
备货,备货,降降降,火火火,火火火……
————————————————————————————————
公司名称:厦门泰尼电气有限公司
联系人:小黄(销售代表)
联系电话:0592-6809319
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