Communication
FPΣ User's Manual
192
- The "reception done" flag turns to FALSE.
- The number of bytes received is set to 0 in offset 0 of the receive buffer.
- Data received is written into the receive buffer
When the specified number of bytes has been sent, the "transmission done" flag turns to
TRUE. The end code is automatically added to the data sent. At the end of transmission, the
value in offset 0 is automatically reset to 0.
EXAMPLE
Transmit the characters "ABCDEFGH" to an external device connected to COM port 1. For
start code and end code the default settings "No-STX" and "CR" are selected.
(
C
R
)
ON
OFF
ON
OFF
0 2 3 4
ABCDE
FGH
Offset
Transmission data
Execution condition
Transmission
F159_MTRN execution
“Transmission done” flag
POU Header and LD Body
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