Panasonic FPS Series User Manual page 209

Communication
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.
"Transmission done" flag
POU Header and LD Body
192
Offset
Transmission data
Execution condition
F159_MTRN execution
0 2 3
A B C D E
F
Transmission
FPΣ User's Manual
4
( C R )
G H
ON
OFF
ON
OFF