beautypg.com

Related auxiliary area words and bits, Related plc setup settings, 2 instructions – Omron SYSMAC CP CP1E-N@@D@-@ User Manual

Page 411

background image

2-375

2 Instructions

CP1E CPU Unit Instructions Reference Manual(W483)

Serial Co

mm

un
icatio

n

In

stru

ctio

ns

2

RXD

Related Auxiliary Area Words and Bits

Auxiliary Area Flags for CPU Unit’s RS-232C Port

Auxiliary Area Flags for Serial Option Board Port

Related PLC Setup Settings

Name

Address

Contents

RS-232C Port Reception Completed Flag

A392.06

ON when no-protocol reception is completed.

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

A392.07

ON when more than the expected number of receive bytes has been received.

Number of Receive Bytes Specified: The flag will turn ON when anything is received
after reception has been completed 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 execution 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 (0 to 256 decimal).

Name

Address

Contents

Serial Option Board port Reception Completed
Flag

A392.14

ON when no-protocol reception is completed.

Number of Receive Bytes Specified: The flag will turn ON when the specified num-
ber 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.

Serial Option Board port Reception Overflow
Flag

A392.15

ON when more than the expected number of receive bytes has been received in no-
protocol mode.

Number of Receive Bytes Specified: The flag will turn ON when more data is
received after reception was completed but before the received data was not read
from the buffer with RXD(235).

End Code Specified: The flag will turn ON when 257 or more bytes of data are
received without an end code.

Serial Option Board port Reception Counter

A394.00 to A394.15

Counts in hexadecimal the number of bytes received in no-protocol mode (0 to 256
decimal).

This manual is related to the following products: