Nx Networks NX series - Manual (Page 41)

Cabling and connections 41(86)
6
Figure 6-14. The I/O terminals
of the two basic boards
Figure 6-15. General wiring diagram of the basic I/O board
(NXOPTA1)
Figure 6-16. General wiring diagram of the basic relay board
(NXOPTA3)
Board A1
in slot A
NXOPTA1
Board A3
in slot B
NXOPTA3
RO1/1
1/2
RO1/3
2/1
RO2/2
R
L ac/dc
TI1+
TI1–
21
22
23
25
26
Switching:
<8A/24Vdc,
<0.4A/300Vdc,
<2kVA/250Vac
Continuously:
<2Arms
28
29
+10Vref
AI1+
GND
AI2+
AI2-
24Vout
GND
DIN1
DIN2
DIN3
CMA
24Vout
GND
DIN4
DIN5
DIN6
CMB
AO1+
AO1-
DO1 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
24 V
GND
24 V
GND
U<+48V
I<50mA
+
0(4)/20mA
RL<500
Ω
nk6_13
Basic I/O board
NXOPTA1
Reference
(voltage)
Reference
(current)
Dotted line indicates the connection with inverted signals