Control I/O In Multi-Step Speed Control - Danfoss VACON NX All-in-One Application Manual

VACON® NX All-in-One
Application Guide

5.2 Control I/O in Multi-step Speed Control

Reference potentiometer,
1-10kΩ
Basic reference
(optional)
mA
READY
RUN
Illustration 11: Default I/O Configuration in Multi-step Speed Control 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
46 | Danfoss A/S © 2023.02
OPTA1
Terminal
+10V Reference output
1
ref
Analogue input 1.
AI1+
2
Voltage range 0—10V DC
AI1- I/O Ground
3
Analogue input 2.
AI2+
4
Current range
0—20mA
Programmable
AI2-
5
(P2.1.11)
6 +24V Control voltage output
GND
7
I/O ground
Start forward
DIN1
8
Programmable logic (P2.2.1)
Start reverse
DIN2
9
R
External fault input
DIN3
10
Programmable (P2.2.2)
CMA
11
Common for DIN 1—DIN 3
+24 V
12
Control voltage output
GND
13 I/O ground
14
DIN4 Preset speed select 1
15
DIN5 Preset speed select 2
16 DIN6 Preset speed select 3
17 CMB
Common for DIN4—DIN6
18
AO1+
Analogue output 1:
Output frequency
Programmable (P2.3.2)
19 AO1-
Digital output
20
DO1 READY
Programmable (P2.3.7)
OPTA2 /OPTA3
21 R O1
22
R O1
23
R O1
24
R O2
25
R O2
26
R O2
12. More information in the User Manual of the product.
Signal
Voltage for potentiometer, etc.
Analogue input 1
frequency reference
Ground for reference
and controls
Analogue input 2
frequency reference
Default reference
Voltage for switches,
etc. max 0.1 A
Ground for reference and controls
Contact closed = start forward
Contact closed = start reverse
min = 5 kΩ
i
Contact open = no fault
Contact closed = fault
Connect to GND or +24 V
Voltage for switches (see #6)
Ground for reference and controls
sel1 sel2 sel3 sel4 (with DIN3)
0
1
0
----
1
Connect to GND or +24 V
Range 0—20 mA/R
max. 500 Ω
Open collector,
I≤50 mA, U≤48 VDC
Relay output 1
RUN
Programmable
(P2.3.8)
Relay output 2
FAULT
Programmable
(P2.3.9)
Multi-step Speed Control
Description
0 0 0 I/O ref
0 0 0 Speed 1
1 0 0 Speed 2
-------
1 1 1 Speed 15
,
L
Programmable
Programmable
AB296635287482en-000301 / DPD00903
Application