Omron CS1W-ETN21 Error LOG Read, Test Data Command, Bytes can be specified, Reads the error log

Command/Response Reference Section 7-3

Command Block

08 03

1,460 bytes max.

Command	Test data
code

Parameters

Test Data (Command)	This command specifies the data to be sent to the specified nodes. Up to
	1,460 bytes can be specified.

Precautions

No response is made to this command.

When using this command, set the FINS header parameters (or the control data for the CMND(194) instruction) as follows:

Destination node address:	FF (broadcast data)
Destination unit address:	FE (Ethernet Unit)
Response/no response flag:	1 (no response)

7-3-7 ERROR LOG READ

Reads the error log.

Command Block

Response Block

Parameters

Beginning Record Number (Command)

Number of Records (Command, Response)

Maximum Number of Stored Records (Response)

Number of Stored Records (Response)

21 02

Command Beginning Number

code record of

number records

21 02					10 bytes	10 bytes
Command	Response	Maximum	Number	Number	Error log data	Error log data
code	code	number	of stored	of
		of stored	records	records
		records

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.

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.

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 PC or CPU Bus Unit. In an Ethernet Unit, the maximum number of stored records is fixed at 40 (64 decimal).

The number of records stored at the time the command is executed is returned.

165