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Communication device for programmable logic controller (PLC) and data format for it
Communication device for programmable logic controller (PLC) and data format for it
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机译：可编程逻辑控制器（PLC）的通讯设备及其数据格式
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摘要
The present invention discloses a communication device for a PLC and a data format therefor. A device for a PLC, which generates response data in response to command data input from a computer and outputs the data to a computer, comprises display means for displaying an operation performing state of the communication device, Output means for inputting command data from a computer or outputting response data to a computer; first storage means for storing a program to be processed; and an operation program for operating a program to be processed A bus control means for executing a program to be processed by the operation program and processing data from another device of the PLC or outputting control data to another device; In response to the values set in the setting means and the command data, controls each means and outputs the control data And a control means for controlling the display means by checking the bus control means and the input / output means. It is also possible to connect the computer and the PLC monitoring apparatus to each other, And can send and receive PLC data received from a computer to a computer LAN or an upper computer so that data can be processed by sharing information in various places and can be used independently without any burden on CPU devices in the PLC .
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