Filter
Top Products
244
FINS Commands and Responses for DeviceNet Units Appendix C
For commands, the data to be sent to the specified node is specified, with a
maximum of 538 bytes.
For responses, The test data that was sent by the command is returned.
Explanation
An error has occurred if the test data sent by the command and the tests data
returned by the response are different.
READ ERROR HISTORY (2102)
Reads the error history saved in the DeviceNet Unit.
Command Block
Response Block
End Codes
Parameter Details
[Read Start Record No.](Command)
Specifies the record number where the read is to start in 2-byte (4-digit) hexa-
decimal. The record number is specified from 0000 to 0003F hex (0 to 63 dec-
imal), with the first word being 0000 hex.
[Read Record No.](Command, response)
For commands, specifies the number of records to be read. The specification
range is 0001 to 0040 hex (1 to 64 decimal).
For responses, the number of records actually read is returned.
[Max. No. of Records] (Response)
The maximum number of errors that can be recorded in DeviceNet Unit error
history. Fixed to 0040 hex (40 decimal) for DeviceNet Units.
[No. Stored] (Response)
The number of error history records stored at the point when the command
was executed. The range is 0000 to 0040 hex (0 to 64 decimal).
[Error History Data] (Response)
End code (hex) Contents
0000 Normal end
1001 Command length exceeds maximum command length.
1002 The command length is insufficient for the smallest command.
1103 Outside address range error
The Read start record No. is larger than the number of records
currently stored.
110C Parameter error
No. of read records= 0.
Command
code
Beginning
record no.
No. of
records
Command
code
End code Max. no.
of stored
records
No. of
stored
records
No. of
read
records
Error log
data (for
1 record)
Error log
data (for
1 record)