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To use Flatstream, the program sequence must first be expanded. The cycle time of the Flatstream routines must be set to a multiple of the bus cycle. Other program routines should be implemented in Cyclic #1 to ensure data consistency.
At the absolute minimum, registers "InputMTU" and "OutputMTU" must be set. All other registers are filled in with default values at the beginning and can be used immediately. These registers are used for additional options, e.g. to transfer data in a more compact way or to increase the efficiency of the general procedure.
The Forward registers extend the functionality of the Flatstream protocol. This functionality is useful for substantially increasing the Flatstream data rate, but it also requires quite a bit of extra work when creating the program sequence.
要使用Flatstream，首先必须对程序序列进行扩展。Flatstream 程序的周期时间必须设置为总线周期的倍数。其他程序例程应在 Cyclic #1中实现，以确保数据的一致性。
必须设置寄存器“InputMTU”和“OutputMTU”的绝对最小值。所有其他的寄存器在开始时都用默认值填充，且可以立即使用。这些寄存器用于附加选项，例如，以更紧凑的方式传输数据或提高通用程序的效率。
Forward寄存器扩展了Flatstream协议的功能。这个功能对于大幅提高Flatstream数据传输率很有用，但在创建程序序列时也需要相当多的额外工作。