Control I/O In Standard Application - Danfoss VACON NX All-in-One Application Manual

VACON® NX All-in-One
Application Guide

3.2 Control I/O in Standard Application

Reference potentiometer,
1-10kΩ
10
12
13
14
15
18
mA
19
READY
20
RUN
Illustration 5: Default I/O Configuration in Standard Application
The option board OPTA3 has no terminal for open contact on its second relay output (terminal 24 is missing).
See jumper selections in Illustration
Danfoss A/S © 2023.02
OPTA1
Terminal
+10 V
1
ref
AI1+
2
AI1-
3
AI2+
4
AI2-
5
+24V
6
GND
7
8 DIN1
DIN2
9
DIN3
CMA
11
+24 V
GND
DIN4
DIN5
16 DIN6
17
CMB
AO1+
AO1-
DO1
OPTA2 / OPTA3
21 R O1
22 R O1
23 R O1
24 R O2
25 R O2
26 R O2
6. More information in the User Manual of the product.
Signal Description
Reference output
Voltage for potentiometer, etc.
Analogue input 1
Analogue input 1
Voltage range 0—10V DC
frequency reference
Programmable (P2.1.11)
Ground for reference
I/O Ground
and controls
Analogue input 2
Analogue input 2
Current range
frequency reference
0—20mA
Voltage for switches,
Control voltage output
etc. max 0.1 A
I/O ground
Ground for reference and controls
Start forward
Contact closed = start forward
Programmable logic (P2.2.1)
Start reverse
Contact closed = start reverse
kΩ
Ri min = 5
External fault input
Contact open = no fault
Programmable (P2.2.2) Contact closed = fault
Connect to GND or +24 V
Common for DIN 1—DIN 3
Control voltage output Voltage for switches (see #6)
I/O ground
Ground for reference and controls
DIN4
Preset speed select 1
Open
Closed
Preset speed select 2
Open
Closed
Contact open = no action
Fault reset
Contact closed = fault reset
Connect to GND or +24 V
Common for DIN4—DIN6
Analogue output 1
Range 0—20 mA/R
Output frequency
max. 500 Ω
Programmable (P2.3.2)
Digital output 1 Open collector,
READY
I≤50 mA, U≤48 VDC
Programmable (P2.3.7)
Relay output 1
RUN
Programmable
(P2.3.8)
Relay output 2
FAULT
Programmable
(P2.3.9)
Standard Application
DIN5 Freq. ref.
Open I/O Reference
Open Preset Speed 1
Closed Preset Speed 2
Closed Analog input 2
,
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