Vacon NX User Manual

Active front end (NXA) vacon • 155
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
10
10.3 Type designation code
In Vacon type designation code, the Active Front Unit is characterized by the characters NXA and
number 2, for example:
Figure 86. Active front end block diagram
NXA 0300 5 A 0 T 0 2WF A1A2000000
POWER MODULE
CONTROL MODULE
B+
B-
Power
supply
Fan
Measure-
ments
Driver
ASIC
IGBT
bridge
U/T1
V/T2
W/T3
Control
I/O
slot A
I/O
slot B
I/O
slot C
I/O
slot D
I/O
slot E
RS-232
KEYPAD
11399_uk

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