Omron CJ1W-FLN22, Руководство по эксплуатации, Страница: 137 / 277

111
Command/Response Reference Section 7-5
Precautions
• This command sends a FINS command (0801) message to a remote
node by VENDER MESSAGE (request/transaction code: 65016).
• The Unit receiving this command must be an OMRON FL-net Unit.
Response Codes
7-5-4 ERROR LOG READ
Reads the error log.
Command Block
Response Block
Parameters
Beginning Record Number
(Command) The first record to be read. The first record number can be specified in the
range between 0000 and 003F (0 to 63 decimal) where 0000 is the oldest
record.
Number of Records
(Command, Response) The number of records to read is specified between 0001 and 0040 (1 to 64
decimal) in the command. The response returns the actual number of records
read.
Maximum Number of
Stored Records
(Response) The maximum number of records that can be stored in the error log. Care is
required as the error log differs according to the type of PLC or CPU Bus Unit.
In an FL-net Unit, the maximum number of stored records is fixed at 40 (64
decimal).
Number of Stored
Records (Response) The number of records stored at the time the command is executed is
returned.
Error Log Data
(Response) The specified number of error log records from the beginning record number
is returned sequentially. 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 com-
prises 10 bytes, configured as follows:
Response code Description
0000 Normal
1001 Command too large
1002 Command too small
02 21
Command
code Beginning
record
number Number
of
records
10 bytes
Command
code
Response
code
Maximum
number
of stored
records
Number
of stored
records
Number
of
records Error log
records
21 02
10 bytes
1st byte 10th byte
Error
code Detailed
information
Minutes
Second
Day
Hour
Year
Month