Fieldbus control through the embedded fieldbus interface (EFB) 399Exception codesThe table below shows the Modbus exception codes supported by the embeddedfieldbus interface.2Bh / 0Eh Encapsulated InterfaceTransportSupported subcodes:• 0Eh Read Device Identification: Allows reading theidentification and other information.Supported ID codes (access type):• 00h: Request to get the basic device identification(stream access)• 04h: Request to get one specific identificationobject (individual access)Supported Object IDs:• 00h: Vendor Name (“ABB”)• 01h: Product Code (for example, “ASCCL”)• 02h: Major Minor Revision (combination of contentsof parameters 07.05 Firmware version and 58.02Protocol ID).• 03h: Vendor URL (“www.abb.com”)• 04h: Product name: (“ACS580”).Code Name Description01h ILLEGAL FUNCTION The function code received in the query is not anallowable action for the server.02h ILLEGAL ADDRESS The data address received in the query is not anallowable address for the server.03h ILLEGAL VALUE The requested quantity of registers is larger than thedevice can handle. This error does not mean that avalue written to the device is outside of the validrange.04h DEVICE FAILURE An unrecoverable error occurred while the server wasattempting to perform the requested action. Seesection Error code registers (holding registers400090…400100) on page 404.Code Function name Description
