Disturbances and their sources in control systems
On-site electromagnetic interference is one of the most common and most likely factors affecting the reliability of the PLC control system.It is therefore necessary to know the source of the disturbance in the field.
控制系统中干扰及其来源
现场电磁干扰是PLC控制系统中最常见也是最易影响系统可靠性的因素之一，所谓治标先治本，找出问题所在，才能提出解决问题的办法。因此必须知道现场干扰的源头。
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