发明公开
EP2561648A1 METHOD, SYSTEM, AND APPARATUS FOR EXCHANGING INPUT AND OUTPUT DATA 审中-公开
方法,系统及设备交换输入和输出数据

METHOD, SYSTEM, AND APPARATUS FOR EXCHANGING INPUT AND OUTPUT DATA
摘要:
A method for exchanging data using a controller includes selectively setting an exchange mode to one of a synchronous mode and an asynchronous mode, and determining whether to execute an input data exchange or an output data exchange. The input data exchange is based at least in part on an input reference that identifies an input/output (I/O) module from which the input data is retrieved, and the output data exchange is based at least in part on an output reference that identifies the I/O module to store the output data.
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