Vacon NX User Manual

4
vacon • 32 Technical data
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
Control
characteristics
Control method
Frequency control U/f
Open Loop Sensorless Vector Control
Closed Loop Vector Control
Switching frequency
NX_5:
NX_6/
NX_8:
Up to and including NX_0061:
1…16 kHz; Factory default 10 kHz
From NX_0072:
1…12 kHz; Factory default 3.6 kHz
1…6 kHz; Factory default 1.5 kHz
NOTE!
NOTE!
Derating required if higher switching
frequency than the default is used!
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.
Frequency reference
Analogue input
Panel reference
Resolution 0.1% (10-bit), accuracy ±1%
Resolution 0.01 Hz
Field weakening point 8…320 Hz
Acceleration time 0.1…3000 sec
Deceleration time 0.1…3000 sec
Braking torque
DC brake: 30% * T
N
(without brake option)
Table 13. Technical data

Vacon NX Specifications

General

Product Type	AC Drive
Control Method	Scalar Control
Enclosure	IP00, IP21
Communication	Ethernet
Safety	STO (Safe Torque Off)
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overtemperature, Short Circuit
Ambient Temperature Range	-10°C to +50°C (with derating above +40°C)
Cooling Method	Air-cooled, Liquid-cooled