Nx Networks NX series - Manual (Page 43)

Cabling and connections 43(86)
6
6.2.2 Control terminal signals
Terminal Signal Technical information
1 +10 Vref Reference voltage Maximum current 10 mA
2 AI1+ Analogue input,
voltage or current Selection V or mA with jumper block X1 (see page 45):
Default: 0– +10V (Ri = 200 k
Ω
)
(-10V…..+10V Joy-stick control, selected with a jumper)
0– 20mA (Ri = 250
Ω
)
3 GND/AI1– Analogue input common Differential input if not connected to ground;
Allows
±
20V differential mode voltage to GND
4 AI2+ Analogue input,
voltage or current Selection V or mA with jumper block X2 (see page 45):
Default: 0– 20mA (Ri = 250
Ω
)
0– +10V (Ri = 200 k
Ω
)
(-10V…..+10V Joy-stick control, selected with a jumper)
5 GND/AI2– Analogue input common Differential input if not connected to ground;
Allows
±
20V differential mode voltage to GND
6 24 Vout
(bidirectional) 24V auxiliary voltage
±
15%, maximum current 250mA (all boards total);150mA
(from single board); Can also be used as external power
backup for the control unit (and fieldbus)
7 GND I/O ground Ground for reference and controls
8 DIN1 Digital input 1
9 DIN2 Digital input 2
10 DIN3 Digital input 3
R
i
= min. 5k
Ω
11 CMA Digital input common A for
DIN1, DIN2 and DIN3. Must be connected to GND or 24V of I/O terminal or
to external 24V or GND
Selection with jumper block X3 (see page 45):
12 24 Vout
(bidirectional) 24V auxiliary voltage Same as terminal #6
13 GND I/O ground Same as terminal #7
14 DIB4 Digital input 4
15 DIB5 Digital input 5
16 DIB6 Digital input 6
R
i
= min. 5k
Ω
17 CMB Digital input common B for
DIB4, DIB5 and DIB6 Must be connected to GND or 24V of I/O terminal or
to external 24V or GND
Selection with jumper block X3 (see page 45):
18 AO1+ Analogue signal (+output)
19 AO1– Analogue output common
Output signal range:
Current 0(4)–20mA, R
L
max 500
Ω
or
Voltage 0—10V, R
L
>1k
Ω
Selection with jumper block X6 (see page 45):
20 DO1 Open collector output Maximum U
in
= 48VDC
Maximum current = 50 mA
NXOPTA3
21 RO1/1
22 RO1/2
23 RO1/3
Relay output 1 Maximum switching voltage 250VAC, 125VDC
Maximum switching current 8A/24VDC,
0.4A/250VDC
Min. switching load 5V/10mA
25
26 RO2/1
RO2/2
Relay output 2 Maximum switching voltage 250VAC, 125VDC
Maximum switching current 8A/24VDC, 0.4A/250VDC
Min. switching load
5V/10mA
28
29 TI1/1
TI1/2 Thermistor input 1 Basic galvanic isolation
Double isolation when connected to thermistor
Table 6-5. Control I/O terminal signals