Omron CP1L Operation Manual page 676

Auxiliary Area Allocations by Address
Address Name
Words Bits
A392 A392.12 Serial Port 1
Communica-
tions Error
Flag (CP1L M-
type CPU
Units)
A392.13 Serial Port 1
Send Ready
Flag (No-pro-
tocol Mode)
(CP1L M-type
CPU Units)
A392.14 Serial Port 1
Reception
Completed
Flag (No-pro-
tocol Mode)
(CP1L M-type
CPU Units)
A392.15 Serial Port 1
Reception
Overflow Flag
(No-protocol
Mode) (CP1L
M-type CPU
Units)
642
Function
• 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 when the serial port 1 of a CP1L
M-type CPU Unit is able to send data
in no-protocol mode.
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 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.
Settings Status
after
mode
change
ON: Error Retained Cleared
OFF: No error
ON: Able-to- Retained Cleared
send
OFF: Unable-
to-send
ON: Recep- Retained Cleared
tion com-
pleted
OFF: Recep-
tion not com-
pleted
ON: Overflow Retained Cleared
OFF: No
overflow
Appendix D
Status Write Related
at star- timing flags, set-
tup tings
--- ---
Written ---
after trans-
mission
Written ---
after
reception
--- ---