LJM Error Codes

Subsections

LJM indicates status via error codes. Errors are categorized according by range.

Success

• Constant: LJME_NOERROR

• Description: The function executed without error.

• Range: 0

Warnings

• Prefix: LJME_

• Description: Some or all outputs might be valid.

• Range: 200-399

Modbus Errors

• Prefix: LJME_MBE

• Description: Errors corresponding to official Modbus errors which are returned from the device.

• Note: To find the original Modbus error in base 10, subtract 1200.

• Ranges: 1200-1216

Library Errors

• Prefix: LJME_

• Description: Errors where all outputs are null, invalid, 0, or 9999.

• Range: 1220-1399

Device Errors

• Description: Errors returned from the firmware on the device.

• Range: 2000-2999

User Area

• Description: Errors defined by users. This is a suggested range for defining application-specific errors.

• Range: 3900-3999

Error codes from the ljm_constants.json file. For more information about error codes look at the installed error codes page.