Omron SYSMAC CP Series User Manual

14-13
14 Serial Communications
CP2E CPU Unit Software User’s Manual(W614)
14-3 No-protocol Communications with General Components
14
14-3-4 Related Auxiliary Area Bits and Words
A392.15 Serial Port 2/Built-in RS-485
Port Reception Overflow Flag
(No-protocol Mode)
ON when a data overflow occurred during reception through the serial
port 2 or built-in RS-485 port in no-protocol mode.
• When the number of bytes was specified:
ON when more data is received after the reception was completed but
before RXD was executed.
• When the end code was specified:
ON when more data is received after the end code was received but
before RXD is executed.
ON when 257 bytes are received before the end code.
If a start code is specified, ON when the end code is received after
the start code is received.
A50.04 Serial Port 1 (EX)
Communication Error Flag
ON when a communications error occurs at the serial port 1 (EX). The
port must be restarted when this Flag turns ON.
A50.05 Serial Port 1 (EX)
Send Ready Flag
(No-protocol mode)
ON when the serial port 1 (EX) is able to send data in no-protocol mode.
A50.06 Serial Port 1 (EX)
Reception Completed Flag
(No-protocol mode)
ON when the serial port 1 (EX) has completed the reception in no-proto-
col mode.
• When the number of bytes was specified: ON when the specified
number of bytes is received.
• When the end code was specified: ON when the end code is received
or 256 bytes are received.
A50.07 Serial Port 1 (EX)
Reception Overflow Flag
(No-protocol mode)
ON when a data overflow occurred during reception through the serial
port 1 (EX) in no-protocol mode.
• When the number of bytes was specified:
ON when more data is received after the reception was completed but
before RXD was executed.
• When the end code was specified:
ON when more data is received after the end code was received but
before RXD is executed.
A393.00 to
A393.15
Serial Port 1/Built-in RS-232C
Port Reception Counter
(No-protocol Mode)
• Indicates (in binary) the number of bytes of data received when the
serial port 1 or built-in RS-232C port is in no-protocol mode.
• The start code and end code are not included.
A394.00 to
A394.15
Serial Port 2/Built-in RS-485
Port Reception Counter
(No-protocol Mode)
• Indicates (in binary) the number of bytes of data received when the
serial port 2 or built-in RS-485 port is in no-protocol mode.
• The start code and end code are not included.
A51.00 to
A51.15
Serial Port 1 (EX)
Reception Counter
(No-protocl Mode)
• Indicates (in binary) the number of bytes of data received when the
serial port 1 (EX) in no-protocol mode.
• The start code and end code are not included.
Address Name Details

Omron SYSMAC CP Series Specifications

General

Brand	Omron
Model	SYSMAC CP Series
Category	Computer Hardware
Language	English