外文翻譯--氣動(dòng)運(yùn)輸動(dòng)力及plc控制-plc設(shè)計(jì)(已修改)
2025-06-01 06:32 本頁(yè)面
【正文】 1 Air operated moves the carrier vehicle and the PLC control Abstract:Air operated namely uses the air pump and the air valve control air current, the positive governing barometric pressure and the current capacity, enable the air to have the programmable controller (PLC) is taken the microprocessor as the core, collection puter technology, the automated control technology in a body one new industry control system. PLC has used the model puter structure, mainly includes CPU, RAM, ROM and the input/ Output connection electric circuit and so on. If regards as PLC a system, this system is posed by the input variable PLC output variable, the exterior each kind of switching signal, the simulated signal, the sensor examine the signal took PLC the input variable, they input after the PLC exterior post to the internal register in, after the PLC interior logic operation or other each kind of operation, processing delivers the output terminal, they are the PLC output variable, carries on each kind of control by these output variables to the auxiliary equipment. Key words:Air operated,PLC control The PLC control system adopts generally easy to understand and to grasp trapezoidal chart language and face industry control simple instruction. The image is directviewing, is based on the field bus technology, opens pletely, and uses the advanced software and hardware technology. The PLC control has the structure simply nimble, the antijamming ability strong, safe reliable, installs the convenience, the failure rate lowly, the maintenance is simple, large scale saves the use cost the characteristic, can satisfy each kind of center small scale process control, the smooth logic control and the data acquisition duty demand, widely has used in gradually in the industry control system, including domain and so on metallurgy, mining industry, machinery, light industry, has provided the powerful tool for the industrial automation. The control engineering in the near future to will use in the logical equipme nt which programmed the process and the machinery controls carrying on an 2 investigation, although the puter and puter technology already provided the infinite control for each kind of control to be possible, but PLC still was a important part. In this investigation, it will surpass half number of people to expand its PLC in the future 12 months the investment. It will surpass 40% person in the future investment many in the past 12 months. The PLC application scope is extremely widespread. In this 300 individual participation investigation, majority of PLC all uses in the machinery control, the process control follows closely after that, then is the movement control, the batch control and the diagnosis. The majority uses in directly the factory level (54%), uses in OEM is 25%, two all is 17%. In the industrial production assembly line, must move frequently the transmission belt A on goods to conveyer belt B on. If direct artificially is engaged in this kind of duplicated work, arid, tasteless also labor intensity big, is easy to cause operates worker39。s weariness, appears the mistake. But uses the air operated manipulator carries on the transporting according to the stipulation movement and the rule, may achieve fast, accurate, is convenient, big reduces the labor intensity, enhances the production the automat city. Air operated manipulator this kind of orderly movement, uses PLC to carry on the control, and may facilitate realization. The robot sets an example the integration of machinery intelligence equipment. flows in the automated system in the m
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