Omron CP1L - 12-2007, Operation Manual

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552
Auxiliary Area Allocations by Address
Appendix D
A392 A392.12 Serial Port 1
Communica-
tions Error
Flag (CP1L M-
type CPU
Units)
• ON when a communications error
has occurred at the serial port 1 of
a CP1L M-type CPU Unit. (Not
valid in Peripheral Bus Mode or NT
Link mode.)
• ON when a timeout error, overrun
error, framing error, parity error, or
BCC error occurs in Serial Gate-
way mode.
ON: Error
OFF: No error
Retained Cleared --- ---
A392.13 Serial Port 1
Send Ready
Flag (No-pro-
tocol Mode)
(CP1L M-type
CPU Units)
ON when the serial port 1 of a CP1L
M-type CPU Unit is able to send data
in no-protocol mode. ON: Able-to-
send
OFF: Unable-
to-send
Retained Cleared Written
after trans-
mission ---
A392.14 Serial Port 1
Reception
Completed
Flag (No-pro-
tocol Mode)
(CP1L M-type
CPU Units)
ON when the serial port 1 of a CP1L
M-type CPU Unit has completed the
reception in no-protocol 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.
ON: Recep-
tion com-
pleted
OFF: Recep-
tion not com-
pleted
Retained Cleared Written
after
reception ---
A392.15 Serial Port 1
Reception
Overflow Flag
(No-protocol
Mode) (CP1L
M-type CPU
Units)
ON when a data overflow occurred
during reception through the serial
port 1 of a CP1L M-type CPU Unit 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(235)
was executed.
• When the end code was specified:
ON when more data is received
after the end code was received
but before RXD(235) was exe-
cuted.
ON when 257 bytes are received
before the end code.
ON: Overflow
OFF: No
overflow
Retained Cleared --- ---
Address Name Function Settings Status
after
mode
change
Status
at star-
tup
Write
timing
Related
flags, set-
tings
Words Bits