162 ACS510 User’s Manual
Embedded Fieldbus
Actual Values
The contents of the register addresses 40005…40012 are
ACTUAL VALUES and 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 "Actual Value Scaling".
Exception Codes
Exception codes are serial communication responses from the drive. The ACS510
supports the standard Modbus exception codes defined below.
For the Modbus protocol, a drive parameter in group 53 holds the most recent
exception code:
Exception
Code
Name Meaning
01
ILLEGAL FUNCTION Unsupported Command
02 ILLEGAL DATA ADDRESS The data address received in the query is not allowable. It is not
a defined parameter/group.
03
ILLEGAL DATA VALUE A value contained in the query data field is not an allowable
value for the ACS510, 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.
Code Description
5318 EFB PAR 18
Holds the most recent exception code.
Supplied from China by: Guangzhou Tofee Electro Mechanical Equipment Co., Ltd
Email: info@tofee.com.cn
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