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FINS Commands Section 5-3
Response Format
Parameters Beginning record number (command)
Specify the first record to be read. (The first record number is 0000 hex.)
Number of records (command, response)
Specify the number of records to read. The number of read records will be
returned with the response.
Maximum number of stored records (response)
Indicates the maximum number of records that can be stored. (Always 20
records.)
Number of stored records (response)
Indicates the number of records recorded at the time the command is exe-
cuted.
Error log data (response)
The specified error log records will be returned in sequence starting from the
beginning record number. The total number of bytes required is calculated as
follows:
No. of records x 10 bytes
The configuration of each error record is as follows:
Error code 1, 2
Refer to 5-3-27 ERROR CLEAR: 21 01 for information on error codes. Refer
to the relevant operation manual or installation guide for more details.
Each data record includes the minute, second, day of month, hour (0 to 23),
year (the rightmost two digits), and month in BCD specifying the time that the
error occurred.
End code (response)
Refer to 5-1-3 End Codes for information on end codes.
Comments The response will contain only the command code and end code if the begin-
ning record number is higher than the number of records contained in the
PLC.
When the PLC does not have the specified number of records, all the records
that have been stored in the PLC will be read and an address range overflow
error will result.
Command
code
0221
Beginning
record No.
No. of
records
0221
Max. No. of
stored records
No. of
stored
records
No. of
records
Error log
data
Error log
data
End codeCommand
code
10 bytes 10 bytes
Minute
Second
Day Hour Year Month
Error code 2Error code 1
1st byte 10th byte
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