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6 Message Communications
6-12
CJ-series PROFINET IO Controller Unit Operation Manual for NJ-series CPU Unit (W511)
Maximum Number of Stored Records (Response)
The maximum number of records that can be stored in the error log. In a PROFINET IO Controller
Unit, the maximum number of stored records is fixed at 50 (80 decimal).
Number of Stored Records (Response)
The number of records stored at the time the command is executed.
Error Log Data (Response)
The specified number of error log records from the starting record number is returned in their order
of appearance.
The total number of bytes in the error log is calculated as the number of records x 10 bytes/record.
Each error log record thus consist of 10 bytes, configured as follows:
Error Code, Detailed Information
Details of the error stored in the record. Refer to Section 7 Troubleshooting and Maintenance for
details.
Minute, Second, Day, Hour, Year, Month
Indicate the time at which the error stored in the record occurred.
The total number of records to be returned is either the number specified in the command, or the num-
ber of available new records in the Error Log, whichever is smaller.
If more then one record is read, the records are returned in a oldest-to-newer sequence, i.e. the oldest
record is the first in the response message.
Response Codes
Response code
Description
0000
Normal completion.
1001
Command length exceeded.
1002
Command length too short.
1103
Beginning record number is out of range.
110C
The number of read records is 0.