Operating Modes Of The Drive; Speed Control Mode - ABB ACS280 Firmware Manual

28 Program features

Operating modes of the drive

The drive can operate in several operating modes with different types of
reference. The operating mode is selectable for each control location (
EXT1 EXT2
and ) when the motor control mode is
Scalar
control mode is
mode.
An overview of the control hierarchy and different reference types and control
chains is shown below.
Torque reference
Parameter group
Torque reference chain


Speed control mode

In speed control mode, the motor follows a speed reference given to the drive.
Speed control mode is available in both local and external control locations. It is
supported in vector motor control only.
Speed control uses speed reference chain.
Settings and diagnostics
Parameter group:
Events: -
, the drive operation mode is fixed to frequency control
Speed reference
26 Refer to group
reference selection
Vector motor control
mode
Torque controller
22 Speed reference selection
Vector
Process PID
Frequency reference
22 Speed Refer to group
Frequency reference chain
Scalar motor control
Frequency controller
Local
99.04
( ). If the motor
28
mode
,