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4.3 Send and Receive Data
It is generally possible in both modes to send and receive data
simultaneously. The request telegrams described in the previous
chapters then have to be completed only by the entries of the
transmission command (transmission command number, length of
transmission data, data).
Please note that the data are only accepted and transmitted by the
XPS-E if the transmission command number in the
data_exchange.req telegram to the XPS-E has changed.
Illustration 6:
Combined Send- and Receive Request
Data exchange
