96 Parameters
21.24 Smooth start
current
Current used in the current vector rotation at low speeds.
Increase the smooth start current if the application requires
motor shaft swinging needs to be minimized. Note that
accurate torque control is not possible in the current vector
rotation mode.
Can be used for permanent magnet synchronous motors
only.
50.0%
10.00...100.0% Value in percent of the nominal motor current. 1 = 1%
21.25 Smooth start speed Output frequency up to which the current vector rotation is
used. See parameter 21.19 Scalar start mode.
Can be used for permanent magnet synchronous motors
only.
10.0%
2.0...100.0% Value as a percentage of the nominal motor frequency. 1 = 1 %
23
23 Speed reference
ramp
Speed reference ramp settings (programming of the
acceleration and deceleration rates for the drive).
23.01 Speed ref ramp
input
Shows used speed reference (in rpm) before it enters the
ramping and shaping functions.
This parameter is read-only.
0.00
-30000.00…
30000.00 rpm
Speed reference before ramping and shaping. 1 = 1
23.02 Speed ref ramp
output
Shows ramped and shaped speed reference in rpm.
This parameter is read-only.
0.00
-30000.00…
30000.00 rpm
Speed reference after ramping and shaping. 1 = 1
23.12 Acceleration time 1 Defines acceleration time 1 as the time required for the speed
to change from zero to the speed defined by parameter 46.01
Speed scaling (not to parameter 30.12 Maximum speed).
If the speed reference increases faster than the set
acceleration rate, the motor speed will follow the acceleration
rate.
If the speed reference increases slower than the set
acceleration rate, the motor speed will follow the reference.
If the acceleration time is set too short, the drive will
automatically prolong the acceleration in order not to exceed
the drive torque limits.
Note: Applicable only when 79.40 MPPT reference is
disabled. If parameter MPPT reference is enabled, then the
parameter should be set to it’s default value.
20.000
0.000…1800.000 s Acceleration time 1. 10 = 1
No. Name/Value Description Def/FbEq16
ACQ80 FW.book Page 96 Thursday, February 14, 2019 11:33 AM