Vacon NX Active Front End User Manual

5
vacon • 70 Installation
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5.5 Galvanic isolation barriers
The control connections are isolated from the mains potential and the GND terminals are
permanently connected to ground. See Figure 51.
The digital inputs are galvanically isolated from the I/O ground. The relay outputs are additionally
double-isolated from each other at 300 VAC (EN-50178). See Figure 51.
Figure 51. Galvanic isolation barriers
L1 L2 L3
UVW
RO1/1
RO1/2
RO1/3
RO2/3
RO2/2
RO2/1
10Vref
GND
GND
+24V
AI1
AI2+
AI2 -
DIN1...
DIN3
CM A
DIN4...
DIN6
CM B
AO1+
AO2 -
DO1
n k6_1 5
TI1+
TI1-
Control I/O
ground
Digital input
group A
Digital input
group B
Analogue
output
Digital
output
Control
board
Control
panel
Gat e drivers
Power
board
11209.emf

Vacon NX Active Front End Specifications

General

Brand	Vacon
Model	NX Active Front End
Category	Controller
Language	English