Motor Control - ABB ACS310 User Manual

190 Actual signals and parameters
All parameters
No. Name/Value
0.0...500.0 Hz
2504 CRIT SPEED 2
LO
0.0...500.0 Hz
2505 CRIT SPEED 2
HI
0.0...500.0 Hz
2506 CRIT SPEED 3
LO
0.0...500.0 Hz
2507 CRIT SPEED 3
HI
0.0...500.0 Hz
26 MOTOR
CONTROL
2603 IR COMP
VOLT
0.0...100.0 V
2604 IR COMP
FREQ
0...100%
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Description
Limit in Hz. The value cannot be below the minimum
(parameter CRIT SPEED 1 LO).
2502
See parameter
2502
See parameter 2502.
See parameter
2503
See parameter 2503.
See parameter
2502
See parameter 2502.
See parameter
2503
See parameter 2503.
Motor control variables
Defines the output voltage boost at zero speed (IR
compensation). The function is useful in applications with
high break-away torque when vector control cannot be
applied.
To prevent overheating, set IR compensation voltage as low
as possible.
The figure below illustrates the IR compensation.
Typical IR compensation values:
(kW)
P
N
200...240 V units
IR comp (V)
380...480 V units
IR comp (V)
Motor
voltage
A
2603
B
2604
Voltage boost
Defines the frequency at which the IR compensation is 0 V.
See the figure for parameter
Note: If parameter
2605
DEFINED, this parameter is not active. The IR
compensation frequency is set by parameter
DEFINED U1.
Value in percent of the motor frequency
CRIT SPEED 1 LO.
CRIT SPEED 1 HI.
CRIT SPEED 1 LO.
CRIT SPEED 1 HI.
0.37 0.75 2.2 4.0 7.5
8.4 7.7 5.6 8.4 N/A
14 14 5.6 8.4 7
A = IR compensated
B = No compensation
f (Hz)
IR COMP VOLT.
2603
U/F RATIO is set to USER
Def/FbEq
1 = 0.1 Hz
0.0 Hz
1 = 0.1 Hz
0.0 Hz
1 = 0.1 Hz
0.0 Hz
1 = 0.1 Hz
0.0 Hz
1 = 0.1 Hz
Type
dependent
1 = 0.1 V
80%
USER
2610
1 = 1%