Error Log Read: 21 02 - Omron CJ - REFERENCE MANUAL 07-2009 Reference Manual

FINS Commands
Comments

5-3-28 ERROR LOG READ: 21 02

Execution Conditions
Command Format
0300 to 035F Special I/O Unit error (The rightmost two digits are the unit number in
binary of the Unit that has the error.)
0400 to 040F CPU Bus Unit setting error (The rightmost two digits are the unit num-
ber in binary of the Unit that has the error.)
0500 to 055F Special I/O Unit setting error (The rightmost two digits are the unit
number in binary of the Unit that has the error.)
0600 to 060F Duplex communications error (The rightmost two digits are the unit
number in binary of the Unit that has the error.)
4101 to 42FF System error (FAL): FAL(006) was executed.
The following codes can be used only when the CPU Unit is in PROGRAM
mode:
Error code
(hex)
FFFF All errors cleared.
809F Cycle time too long.
80C0 to I/O bus error. This error occurs when there is an error in an I/O bus
80C7 check or a Unit has been removed or added when power is turned on
to the PLC.
80E0 I/O setting error. This error occurs if the I/O table differs from actual I/
O points in the System.
80E1 I/O points overflow
80E9 Duplication error. This error occurs if the same unit number is
assigned to more than one Unit or the same word is allocated more
than once.
80EA Basic I/O word duplication resulting from rack first word settings.
80F0 Program error.
80F1 Memory error. This error occurs if an error is found in the user pro-
gram, PLC Setup, Registered I/O Tables, routing tables, or CPU Bus
Unit Setup memory.
82F0 Fatal Inner Board error.
C101 to FALS(007) executed.
C2FF
End code (response)
Refer to 5-1-3 End Codes for information on end codes.
If the specified error is not occurring, a normal end code will be returned.
If the present error is one that can only be cleared when the CPU Unit is in
PROGRAM mode, it will not be possible to clear it in MONITOR or RUN mode.
The cause of the error must be removed before executing ERROR CLEAR
(command code 2101) or the same error will immediately occur again after
the command is executed.
Reads the PLC's error log.
Access right at
other device
OK
RUN mode
OK
Meaning
UM read DIP switch UM
protection write protection
OK OK
MONITOR mode
OK
Section 5-3
Network write
protection
OK
PROGRAM mode
OK
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