626 Fieldbus control through the embedded fieldbus interface (EFB)
Exception codes
The table below shows the Modbus exception codes supported by the embedded
fieldbus interface.
2Bh / 0Eh Encapsulated Interface
Transport
Supported subcodes:
• 0Eh Read Device Identification: Allows reading the
identification and other information.
Supported ID codes (access type):
• 00h: Request to get the basic device identification
(stream access)
• 04h: Request to get one specific identification
object (individual access)
Supported Object IDs:
• 00h: Vendor Name (“ABB”)
• 01h: Product Code (for example, “AINFX”)
• 02h: Major Minor Revision (combination of contents
of parameters 07.05 Firmware version and 58.02
Protocol ID).
• 03h: Vendor URL (“www.abb.com”)
• 04h: Product name (for example, “ACS880”)
Code Name Description
01h ILLEGAL FUNCTION The function code received in the query is not an
allowable action for the server.
02h ILLEGAL DATA
ADDRESS
The data address received in the query is not an
allowable address for the server.
03h ILLEGAL DATA VALUE The requested Quantity of Registers is larger than the
drive can handle.
Note: This error does not mean that a value written to
a drive parameter is outside the valid range.
04h SLAVE DEVICE
FAILURE
The value written to a drive parameter is outside the
valid range. See section Error code registers (holding
registers 400090…400100) on page 630.
06h SLAVE DEVICE BUSY The server is engaged in processing a long-duration
program command.
Code Function name Description
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