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54 Program features
Operating modes and motor control modes
The drive can operate in several operating modes with different types of reference.
The operating mode is selectable for each control location (
Local
,
EXT1
and
EXT2
)
when the motor control mode is
Vector
(
99.04
). If the motor control mode is
Scalar
,
the drive operation mode is fixed to frequency control mode.
An overview of the control hierarchy and different reference types and control chains
is shown below.
Settings
Parameter group
19 Operation mode
(page
153
).
Overview diagram of control hierarchy
The following is a more detailed representation of the drive control hierarchy
reference types and control chains.
Frequency
reference
Parameter group
26
Torque reference chain
Speed
reference
Parameter group
26
Torque reference
Torque
reference
Parameter group
26
Torque reference
Process PID
Vector motor control mode
Scalar motor control mode
Frequency controller
Torque controller
ACS380 FW.book Page 54 Friday, May 4, 2018 4:18 PM
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