ABB ACS350 User Manual page 198

198
Parameters – complete descriptions
Index Name/Selection
3007 MOT LOAD CURVE
50....150%
3008 ZERO SPEED LOAD
25....150%
3009 BREAK POINT FREQ
1...250 Hz
Actual signals and parameters
Description
Defines the load curve together with parameters
and 3009 BREAK POINT FREQ. If value is set to 100%, the maximum
allowed load is equal to parameter
Load curve should be adjusted, if the ambient temperature differs from
nominal temperature.
I/I
N
150
100
Par. 3007
50
Par. 3008
Allowed continuous motor load in percent of the nominal motor current
Defines the load curve together with parameters
and 3009 BREAK POINT FREQ.
Allowed continuous motor load at zero speed in percent of the nominal motor
current
Defines the load curve together with parameters
and 3008 ZERO SPEED LOAD.
Example: Thermal protection trip times when parameters
default values.
I /I
O N
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0 0.2
Drive output frequency at 100% load
3008
9906 MOTOR NOM CURR value.
I = output current
I = nominal motor current
N
Par. 3009
3007
3007
I = Output current
O
I = Nominal motor current
N
f = Output frequency
O
f = Break point frequency
BRK
A = Trip time
0.4 0.6 0.8 1.0
Def, FbEq
ZERO SPEED LOAD 100
f
1 = 1%
MOT LOAD CURVE 70
1 = 1%
MOT LOAD CURVE 35
3006...3008 have
A
60 s
90 s
180 s 180 s
300 s
600 s
∞
f /f
O BRK
1.2
1 = 1 Hz