Vacon NX User Manual page 29

TECHNICAL DATA
Control method
Switching frequency
Control
characteristics
Frequency reference
Analogue input
Panel reference
Field weakening point
Acceleration time
Deceleration time
Braking torque
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Table 9. Technical data
Frequency control U/f
Open Loop Sensorless Vector Control
Closed Loop Vector Control
NX_5: Up to and including NX_0061:
1...16 kHz; Factory default 10 kHz
From NX_0072:
1...12 kHz; Factory default 3.6 kHz
NX_6/
1...6 kHz; Factory default 1.5 kHz
NX_8:
NOTE! Derating required if higher switching
frequency than the default is used!
NOTE!
DriveSynch paralleling concept:
Recommended minimum switching
frequency for open loop control 1.7 kHz and
closed loop control 2.5 kHz. Maximum
switching frequency 3.6 kHz.
Resolution 0.1% (10-bit), accuracy ±1%
Resolution 0.01 Hz
8...320 Hz
0.1...3000 sec
0.1...3000 sec
DC brake: 30% * T
vacon • 27
(without brake option)
N
4