Omron SYSMAC CJ - REFERENCE MANUAL 08-2008

1000
Serial Communications Instructions Section 3-24
Auxiliary Area Flags for CPU Unit’s RS-232C Port
D32005 D32015 12 to 15 No-protocol Mode Start
Code Specifier
0: None
1: Use start code.
8 to 11 No-protocol Mode End
Code Specifier
0: None
1: Use end code.
2: Use CR+LF.
Name Address Contents
RS-232C Port Reception
Completed Flag
A39206 ON when no-protocol reception is com-
pleted.
Number of Receive Bytes Specified:
The flag will turn ON when the specified
number of bytes has been received.
End Code Specified: The flag will turn
ON when the end code is received or
when 256 bytes have been received.
RS-232C Port Reception
Overflow Flag
A39207 ON when more that the expected num-
ber of receive bytes has been received.
Number of Receive Bytes Specified:
The flag will turn ON when anything is
received after reception has been com-
pleted and execution of the next
RXD(235).
End Code Specified: The flag will turn
ON when anything is received after the
end code has been received and execu-
tion of the next RXD(235) or when the
257th byte of data is received before the
end code is received.
RS-232C Port Reception
Counter
A393 Counts in hexadecimal the number of
bytes received in no-protocol mode.
Setup Area word Bit Name Settings
Port 1 Port 2