Omron CS1W-LC001 Operation Manual page 205

Description of FINS Commands
188
READ ERROR LOG
Function
Reads the error log on the Loop Control Unit.
The configuration of each error log is as follows, and error logs are stored in
RAM (battery-backed up) on the Loop Control Unit. The configuration of each
error log is as follows and is regarded as a single record. For details on error
codes, see 7-1 Errors and Alarm Troubleshooting.
Error code
1 record
Detailed information
Date (year/month) and time (hour/minute/second) of occurrence
Command format
Command code
Data format
21 Hex 02 Hex
Data length
1
(bytes)
1) Read start record number
Specify the first record number to read in Hex.
The first record number (oldest record) is 0000 Hex.
2) Number of read records
Specify the number of records to read in Hex from 0000 onwards.
Response format
Data
Command code
format
21 Hex 02 Hex MRES SRES
Data length
1 1
(bytes)
Data
Error code
format
Data length
2
(bytes)
1) Maximum number of stored records
The maximum number of error logs that can be stored is returned in Hex.
2) Number of stored records
The number of error log records currently stored at the time of command
execution is returned in Hex.
Read start record
number
1 2
Response
Maximum
code
number of
stored records
1 1 2
Detailed
Minute Second
information
2 1 1
1 record
Section
command code
21 02
Number of read
records
2
Number of Number of
stored read
records records
2 2
Date Hour Year Month
1 1 1
6-3
1