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58 Standard programposi features
The best motor control accuracy is achieved by activating a separate motor
identification run (ID run).
See also section
Scalar motor control
Settings
See parameters
•
99.04 Motor ctrl mode
•
99.13 ID run requested
Reference ramping
Acceleration and deceleration ramping times can be set individually for speed and
frequency reference.
With a speed or frequency reference, the ramps are defined as the time it takes for
the drive to accelerate or decelerate between zero speed or frequency and the value
defined by parameter
switch between two preset ramp sets using a binary source such as a digital input.
For speed reference, the shape of the ramp can be controlled.
Special acceleration/deceleration ramps
The acceleration/deceleration times for the jogging function can be defined
separately; see section
The change rate of the motor potentiometer function (page 78) is adjustable. The
same rate applies in both directions.
A deceleration ramp can be defined for emergency stop ("Off3" mode).
Settings
• Speed reference ramping: Parameters
(pages
204
and 280).
• Frequency reference ramping: Parameters
(pages
232
and 280).
• Jogging: Parameters
• Motor potentiometer: Parameter
• Emergency stop ("Off3" mode): Parameter
(page 207).
(page 71).
46.01 Speed scaling
Jogging
(page 69).
23.20
and
23.21
22.75
or
46.02 Frequency
23.11...23.19
and
28.71...28.75
(page 207).
(page 202).
23.23 Emergency stop time
scaling. The user can
46.01
and
46.02
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