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中文字数: 3126,中文页数:4 英文字数: 2780,页数:9 PLC is one kind of uses in the industrial production automation control equipment, generally does not need to take any measure, may directly use in the industry environment. However, although it has the reliability which like on states high, antijamming ability stronger, but works as production environment is too bad, electromagnetic interference specially intense, or installs uses is improper, possibly creates the program error or the operation mistake, thus produces inputs by mistake and causes outputs by mistake, this will be able to create the equipment out of control and the disoperation, thus will not be able to guarantee PLC the normal operation, will have to enhance the PLC control system reliability, on the one hand will request PLC to produce the factory to enhance the equipment the antijamming ability; on the other hand, in the request design, the installment and the use maintenance cause highly takes, coordinates to be able in every way to consummate solves the problem, effectively strengthens the system the resistance to interference. Below therefore should pay attention to the question in the use:
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