vacon • 27
Description of Groups
3
3.3.8
Group Motor Control: Menu PAR G8
Code
Parameter
Min
Max
Unit
Default
ID
Description
P8.1
Motor control mode(*)
0
1
0
600
0 = Frequency control
1 = Speed control
P8.2
Field Weakening Point
30.00
320.00
Hz
50.00
602
Field weakening point fre-
quency
P8.3
Voltage at Field Weak-
ening Point
10.00
200.00
%
100.00
603
Voltage at FWP as % of
Motor nominal voltage
P8.4
U/f ratio selection(*)
0
2
0
108
0 = linear
1 = quadratic
2 = programmable
P8.5
U/f curve midpoint
frequency(*)
0.00
P8.2
Hz
50.00
604
Midpoint frequency for pro-
grammable U/f curve
P8.6
U/f curve midpoint
voltage(*)
0.00
P8.3
%
100.00
605
Midpoint voltage for pro-
grammable U/f curve
P8.7
Output voltage at zero
frequency (*)
0.00
40.00
%
0.00
606
Voltage at 0,00 Hz as % of
Motor nominal voltage
P8.8
Switching frequency
1.5
16.0
kHz
6.0
601
Switching frequency of the
IGBTs
P8.11
DC braking current
0.3 x I
H
2 x I
H
A
I
H
507
Defines the current
injected into the motor dur-
ing DC-braking.
0 = Disabled
P8.12
DC braking time at
stop
0.00
600.00
s
0.00
508
Determines if braking is
ON or OFF and the braking
time of the DC-brake when
the motor is stopping.
P8.13
Frequency to start DC
braking at ramp stop
0.10
10.00
Hz
1.50
515
The output frequency at
which the DC-braking is
applied.
P8.14
DC braking time at
start
0.00
600.00
s
0.00
516
This parameter defines the
time for how long DC cur-
rent is fed to motor before
acceleration starts.
P8.15
Motor stator voltage
drop(*)
0.00
100.00
%
0.00
662
Voltage drop on the motor
windings as % of Motor
nominal voltage
P8.16
Motor Identification
0
1
0
631
0 = not active
1 = standstill identification
(to activate, RUN com-
mand within 20s)
P8.18
Disable undervoltage
regulator
0
1
0
1854
0 = Enabled
1 = Disabled
P8.19
Disable switching freq
regulator
0
1
0
1855
0 = Enabled
1 = Disabled
Table 14. Motor control group.
NOTE!
(*) Parameter is automatically set by motor identification.
NOTE!
Visibility of the group depends on P1.16.
Содержание 20 CP/X
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