Omron CP1H-CPU - 05-2006, Operation Manual

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545
Auxiliary Area Allocations by Address
Appendix D
A392 A392.12 Serial Port 1
Communica-
tions Error
Flag
• ON when a communications error
has occurred at the serial port 1.
(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-protocol
Mode)
ON when the serial port 1 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-protocol
Mode)
ON when the serial port 1 has com-
pleted 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)
ON when a data overflow occurred
during reception through the serial
port 1 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 --- ---
A393 A393.00
to
A393.07 Serial Port 2
PT Communi-
cations Flags The corresponding bit will be ON
when the serial port 2 is communi-
cating with a PT in NT Link or Serial
PLC Link mode.
Bits 0 to 7 correspond to units 0 to 7.
ON: Commu-
nicating
OFF: Not
communicat-
ing Retained Cleared Refreshed
when there
is a nor-
mal
response
to the
token. ---
A393.08
to
A393.15 Serial Port 2
PT Priority
Registered
Flags The corresponding bit will be ON for
the PT that has priority when the
serial port 2 is communicating in NT
link mode.
Bits 0 to 7 correspond to units 0 to 7.
These flags are written when the pri-
ority registration command is
received.
ON: Priority
registered
OFF: Priority
not registered Retained Cleared See Func-
tion col-
umn. ---
A393.00
to
A393.15 Serial Port 2
Reception
Counter (No-
protocol
Mode) Indicates (in binary) the number of
bytes of data received when the
serial port 2 is in no-protocol mode. --- Retained Cleared Refreshed
when data
is received. ---
A394 A394.00
to
A394.07 Serial Port 1
PT Communi-
cations Flags The corresponding bit will be ON
when the serial port 1 is communi-
cating with a PT in NT link mode.
Bits 0 to 7 correspond to units 0 to 7.
ON: Commu-
nicating
OFF: Not
communicat-
ing Retained Cleared Refreshed
when there
is a nor-
mal
response
to the
token. ---
Address Name Function Settings Status
after
mode
change
Status
at star-
tup
Write
timing
Related
flags, set-
tings
Words Bits