FP2 Serial Data UnitTransmission Speed and Transmission Format
xii
Start code
The start code designates one frame of the data being transmitted as the start of the
data. If the start code is made valid in the transmission format settings, the data received
between the STX and the next end code is considered to be one frame.
1 frame
DataData
FP2
External
device
End code
(ETX)
−−−−−−−
One frame extends from the start code to
the end code.
Start code
(STX)
SDU
SD RD ERR SD RD ERR AL
COM.1COM.2
COM.1(RS232C)
COM.2(RS232C)
With the serial data unit, the start code can be set to either “Invalid” or “Valid”.
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