Omron CJ1W-DRM21, CS1W-DRM21 operation manual Error History Clear

FINS Commands and Responses for DeviceNet Units Appendix C

Returns the error history for the number specified by Read Record No., in order from the Read Start Record No. The total number of Error History Data bytes is 10 ⋅ Read Record No.

One record of error history data is structured in 10 bytes as shown in the fol- lowing diagram.

1st byte 10th byte

Error code Detailed	Minute Second Day Time Year Month
informa-
tion

•Error Codes, Detailed Information

Shows the contents of the error stored in that record. Refer to 9-2 Error Log Functions for details.

•Minutes, Seconds, Day, Time, Year, Month

Shows the date and time that the error stored in that record occurred.

Explanation

•Reads the error history data recorded in the DeviceNet Unit from the specified point for the specified number of records.

•Up to 64 records are recorded in the DeviceNet Unit and the oldest data will be the first to be replaced when the maximum is reached.

Important Points

•If there are fewer error history records than the Read Record No., the records up to the last (latest) record stored at the point of command exe- cution and then the processing/communications will end normally. The actually number of records read will be returned as the Read Record No.

•If more than the current number of records is specified for Read Record No., the end code 1103 hex will be returned.

•If the Read Record No. is 0000, the processing will end normally even if there are no error records.

•If the Read Start Record No. is specified as 0000, the end code 110C hex is returned.

ERROR HISTORY CLEAR (2103)

Command Block

Command code

Response Block

Command End code code

245