Scaling; Actual Values - ABB FMBT-21 User Manual

Scaling

References are scaled as shown below.
Note: The values of REF1 MAX and REF2 MAX are set with drive parameters. See the
drive manuals for further information.
In ACS480, ACH580, ACQ580ACS580 and ACS880, the speed reference (REFx) in decimal
(0...20000) corresponds to 0...100% of the speed scaling value (as defined with a
drive parameter).
Fieldbus
REF2: 10000
REF1: 20000
REF2: -10000
REF1: -20000

Actual values

￭
Actual values are 16-bit words containing information on the operation of the drive.
The functions to be monitored are selected with a drive parameter.
Scaling
Actual values are scaled as shown below.
Note: The values of REF1 MAX and REF2 MAX are set with drive parameters. See the
drive manuals for further information.
Fieldbus
ACT2: 10000
ACT1: 20000
ACT2: -10000
ACT1: -20000
Drive
REFx MAX / Speed scale
REFx MIN
0
-(REFx MIN)
-(REFx MAX) / Speed scale
REFx MAX
0 0
-(REFx MAX)
Modbus/TCP – Communication profiles 45
Drive