Contents XPS/XPS-E User's Manual
24 COMSOFT
4.2 Communication Status
In the status of the confirmation telegram of the service data_exchange the
status of the serial interface is encoded as follows:
70
RS_PORT_TX_DATA
Data are being transmitted.
not significant
RS_PORT_PARITY_ERROR
Parity error of receive data o
serial interface.
RS_PORT_RX_DATA_AVAIL
XPS/XPS-E has data in receive
buffer.
XOFF_CTS_FLAG
XOFF was received or CTS is
inactive.
OUTPUT_DATA_LEN_FAILURE
user data length exceeds maximal
data_exchange
length minus 3
(on part of PROFIBUS)
RS_PORT_RX_OVERFLOW
Receive buffer overflow
XOFF_TIMEOUT
o XON received after XOFF-
Timeout. Sending process was re-
started.
Figure 9: Byte Definition of Communication Status
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