Actual Values; Exception Codes - ABB ACS550 User Manual

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Actual values

The contents of the register addresses 40005...40012 are
• specified using parameters 5310...5317
• Read-only values containing information on the operation of the drive
• 16-bit words containing a sign bit and a 15-bit integer
• when negative values, written as the two's complement of the corresponding
positive value
• scaled as described earlier in section

Exception codes

Exception codes are serial communication responses from the drive. The ACS550
supports the standard Modbus exception codes defined below.
Exception
code
01
02
03
Embedded fieldbus
Name
Unsupported Command
ILLEGAL FUNCTION
The data address received in the query is not allowable. It is not
ILLEGAL DATA ADDRESS
a defined parameter/group.
A value contained in the query data field is not an allowable
ILLEGAL DATA VALUE
value for the ACS550, because it is one of the following:
• Outside min. or max. limits.
• Parameter is read-only.
• Message is too long.
• Parameter write not allowed when start is active.
• Parameter write not allowed when factory macro is selected.
ACTUAL VALUES
Actual value scaling on page 197.
Meaning
ACS550 User's Manual
and are: