Vacon NXI Series - Control Connections

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6
Dotted line indicates the connection with
inverted signal levels
24 V
GND
24 V
GND
U<+48V
I<50mA
+
0(4)/20mA
RL<500
Basic I/O board
NXOPTA1
+10Vref
AIA1+
GND
AIA2+
AIA2-
24Vout
GND
DIA1
DIA2
DIA3
CMA
24Vout
GND
DIB4
DIB5
DIB6
CMB
Iout+
Iout-
DO1
Reference
(voltage)
Reference
(current)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
6.2.1 Control connections
The basic control connections for boards A1 and A2/A3 are shown in Chapter 6.2.2.
The signal descriptions for the standard application are presented in Chapter 2 of the All in One
Application Manual. You can find the signal descriptions for other applications in the Vacon NX
Application Manual.
Figure  6-9. The I/O terminals
of the two basic boards
Figure  6-10. General wiring diagram of the basic I/O board
(NXOPTA1)
OPT-A2 OPT-A3
Board OPT-A1
in slot A
Boards OPT-A2 and
OPT-A3 in slot B
RO1/1
1/2
RO1/3
RO2/1
2/2
RO2/3
ac/dc
21
22
23
24
25
26
NX6_6.fh8
21
22
23
25
26
RO1/1
1/2
RO1/3
2/1
RO2/2
ac/dc
28
29
TI1+
TI1-
+t
Switching:
<8A/24Vdc,
<0.4A/125Vdc,
<2kVA/250Vac
Continuously:
< 2Arms
Basic relay board
OPT-A2
Switching:
<8A/24Vdc,
<0.4A/125Vdc,
<2kVA/250Vac
Continuously:
<2Arms
Basic relay board
OPT-A3