X20 system modules • Other functions • X20CM4810
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X20 system User's Manual 3.10
FlatStream configuration
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, the "InputMTU" and "OutputMTU" registers need to be configured. 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 transmit 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 substan-
tially increasing the FlatStream data rate, but it also requires quite a bit of extra work when creating the program
sequence.
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