311
Error Log
Section 9-3
If the number of records exceeds 64 or 39, the oldest record will be deleted
and the most recent error recorded.
Error Log Table Configuration
Time Information
The time is recorded in BCD with one byte each for the year (the rightmost
two digits), month, day, hour, seconds, and minutes of the time the error
occurred.
Note
1.
The PLC’s time information can be read and used in the Controller Link
Unit. When the time cannot be read from the PLC, all error log times will
but 0. This can occur for PLC startup errors, Unit No. errors, CPU Unit er-
rors, or PLC model errors. When error logs like these are read from the
Controller Link Support Software, they will be dated 0 s, 0 min, 0 hr, 0 day,
0 month, 2000.
2.
When replacing the battery for CS/CJ-series PLCs, it will be necessary to
switch the power supply ON and reset the internal clock.
If the internal clock is not reset, time information in the error log will not be
recorded correctly.
3.
The time information will be all zeros for CQM1H-series PLCs unless a
Memory Cassette with a clock is mounted in the CPU Unit. The time infor-
mation will be all zeros in the year 2000 if it is read from Support Software.
9-3-2
Error Codes
The following table lists the error codes (in 4-digit hexadecimal) and the con-
tents of the errors.
0
Error code
Detail
Min
S
Day
Hour
Error code
Detail
Year
Month
Record
(Oldest)
Record
Record
(Newest)
Error code
Detail
Min
Min
S
Day
Hour
Year
Month
Month
Hour
S
Day
Year
Error
code
Contents
Detail code
Correction
Written to
EEPROM
Applicable
PLC
1st byte
2nd byte
0001
Hex
PLC watchdog timer error
00 Hex
00 Hex
Replace PLC’s CPU
Unit.
Yes
All
0002
Hex
PLC service monitor error
Monitor time (unit: ms)
Check operating
environment.
Yes
CV, CS/CJ
Summary of Contents for C200HW-CLK21
Page 3: ...iv ...
Page 9: ...x ...
Page 12: ...xiii TABLE OF CONTENTS Index 367 Revision History 373 ...
Page 13: ...xiv ...
Page 19: ...xx ...
Page 57: ...32 Application Precautions Section 1 5 Example CX Programmer Response Timeout Setting ...
Page 69: ...44 Message Service Procedure Section 2 2 ...
Page 111: ...86 Constructing Networks with Repeater Units Section 3 4 ...
Page 154: ...129 Setting Data Links Section 5 2 Device Information Setting Data Link Tables ...
Page 261: ...236 Response Codes Section 6 7 ...
Page 297: ...272 Message Delay Times Section 8 4 ...
Page 353: ...328 Handling Precautions Section 9 6 ...
Page 364: ...339 Changing the Data Link Tables with Active Data Links Section 10 2 ...
Page 365: ...340 Changing the Data Link Tables with Active Data Links Section 10 2 ...
Page 369: ...344 Standard Models Appendix A ...
Page 391: ...366 Using the Relay Terminal Block Appendix C ...
Page 397: ...372 Index ...
Page 401: ...376 Revision History ...