Appendices
A-66
CP1E CPU Unit Software User’s Manual(W480)
A393 00 to
07
Built-in RS-232C Port
Polled Unit Communi-
cations Flags (CP1E
N/NA-type CPU Unit
only)
The corresponding bit will be ON when
the built-in RS-232C port is communi-
cating with NT Link mode or Serial PLC
Link mode.
Bits 0 to 7 correspond to Units 0 to 7.
ON: Communicating
OFF: Not communi-
cating
Retained Cleared Refreshed
when there is a
normal
response to
the token.
00 to
15
Built-in RS-232C Port
Reception Counter
(No-protocol Mode)
(CP1E N/NA-type CPU
Unit only)
Indicates (in binary) the number of
bytes of data received when the built-in
RS-232C port is in no-protocol mode.
Retained Cleared Refreshed
when data is
received.
A394 00 to
07
Serial Option Port
Polled Unit Communi-
cations Flags (CP1E
N30/40/60 or NA20
CPU Unit only)
The corresponding bit will be ON when
the Serial Option port is communicat-
ing with NT link mode.
Bits 0 to 7 correspond to Units 0 to 7.
ON: Communicating
OFF: Not communi-
cating
Retained Cleared Refreshed
when there is a
normal
response to
the token.
00 to
15
Serial Option Port
Reception Counter
(No-protocol Mode)
(CP1E N30/40/60 or
NA20 CPU Unit only)
Indicates (in binary) the number of
bytes of data received when the Serial
Option port is in no-protocol mode.
Retained Cleared Refreshed
when data is
received.
A400 Error code When a non-fatal error (user-defined
FALS or system error) or a fatal error
(user-defined FALS or system error)
occurs, the 4-digit hexadecimal error
code is written to this word.
Note When two or more errors occur
simultaneously, the highest error
code will be recorded.
Cleared Cleared Refreshed
when error
occurs.
A401 00 Other Fatal Error Flag ON when a fatal error that is not
defined for A401.01 to A401.15 occurs.
Detailed information is output to the
bits of A314.
Note There are no errors that affect
this flag at this time. This flag is
reserved by the system.
OFF: No other fatal
error
ON: Other fatal error
Cleared Cleared Refreshed
when error
occurs.
A314
06 FALS Error Flag
(fatal error)
ON when a fatal error is generated by
the FALS instruction. The CPU Unit will
stop operating and the ERR/ALM indi-
cator will light.
The corresponding error code will be
written to A400. Error codes C101 to
C2FF correspond to FALS numbers
001 to 511.
Note This flag will be turned OFF when
the FALS errors are cleared.
ON: FALS executed
OFF: FALS not exe-
cuted
Cleared Cleared Refreshed
when error
occurs.
A400
08 Cycle Time Too Long
Flag
(fatal error)
ON if the cycle time exceeds the maxi-
mum cycle time set in the PLC Setup
(the cycle time monitoring time). CPU
Unit operation will stop and the
ERR/ALM indicator on the front of the
CPU Unit will light.
Note This flag will be turned OFF when
the error is cleared.
OFF: Cycle time
under max.
ON: Cycle time over
max.
Cleared Cleared Refreshed
when the cycle
time exceeds
maximum.
PLC
Setup
(Cycle
time mon-
itoring
time)
Address
Name Function Settings
Status
after
mode
change
Status at
startup
Write
timing
Related
flags,
settings
Words Bits
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