User`s manual

apfiff09 marine vacon • 9
24-hour support
3
Jumper block X3:
CMA and CMB grounding
CMB connected to GND
CMA connected to GND
CMB isolated from GND
CMA isolated from GND
CMB and CMA
internally connected together,
isolated from GND
= Factory default
3. CONTROL I/O
NXOPTA1
Terminal
Signal
Description
1
+10V
ref
Reference voltage output
Voltage for potentiometer, etc.
2
AI1+
Analogue input 1.
Range 0-10V, R
i
= 200k
Range 0-20 mA R
i
= 250
Analogue input 1 frequency reference.
Input range selected by jumpers.
Default range: Voltage 0 10 V
3
AI1-
I/O Ground
Ground for reference and controls
4
AI2+
Analogue input 2.
Range 0-10V, R
i
= 200k
Range 0-20 mA R
i
= 250
Analogue input 2 frequency reference
Input range selected by jumpers.
Default range: Current 0 20 mA
5
AI2-
6
+24V
Control voltage output
Voltage for switches, etc. max 0.1 A
7
GND
I/O ground
Ground for reference and controls
8
DIN1
Start forward
Programmable G2.2.7
Contact closed = start forward
Programmable start logic P2.2.1
9
DIN2
Start reverse
Programmable G2.2.7
Contact closed = start reverse
Programmable logic P2.2.1
10
DIN3
Fault reset
Programmable G2.2.7
Contact open = no fault
Contact closed = fault
11
CMA
Common for DIN 1 DIN 3
Connect to GND or +24V
12
+24V
Control voltage output
Voltage for switches (see #6)
13
GND
I/O ground
Ground for reference and controls
14
DIN4
Programmable G2.2.7
No function defined at default
15
DIN5
Programmable G2.2.7
No function defined at default
16
DIN6
Programmable G2.2.7
No function defined at default
17
CMB
Common for DIN4 DIN6
Connect to GND or +24V
18
AOA1+
Analogue output 1
Programmable P2.3.1.2
Output range selected by jumpers.
Range 0 20 mA. R
L
, max. 500
Range 0 10 V. R
L
> 1k
19
AOA1-
20
DOA1
Digital output
Programmable
Open collector, I50mA, U48 VDC
NXOPTA2
21
RO1
Relay output 1
Programmable G2.3.3
Switching capacity
24 VCD / 8 A
250 VAC / 8 A
125 VDC / 0.4 A
22
RO1
23
RO1
24
RO2
Relay output 2
Programmable G2.3.3
Programmable
No function defined at default
25
RO2
26
RO2
Table 3-1. Marine application default I/O configuration and
connection example.
Note: See Users Manual, chapter Control Connections, for hardware specification and
configuration.
Note: See jumper selections below.
More information in Vacon NX User's
Manual, Chapter 6.2.2.2.
220
VAC
Reference potentiometer,

mA