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

VACON® NX All-in-One
Application Guide

4.2 Control I/O in Local/Remote Control Application

Reference potentiometer,
1-10kΩ
Remote Reference
0(4) - 20 mA
mA
READY
RUN
Illustration 8: Default I/O Configuration in Local/Remote 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
30 | Danfoss A/S © 2023.02
OPTA1
Terminal
1 +10 V Reference output
ref
Analogue input 1
AI1+
Voltage range 0—10V DC
2
Programmable (P2.1.12)
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
Place A: Start forward
DIN1
8
Programmable logic (P2.2.1)
Place A: Start reverse
9 DIN2
Ri min = 5 kohm
External fault input
DIN3
10
Programmable (P2.2.2)
11 CMA
Common for DIN 1—DIN 3
+24 V
12
Control voltage output
GND
13 I/O ground
Place B: Start forward
14 DIN4
Programmable logic (P2.2.15)
Place B: Start reverse
15 DIN5
Ri min = 5 kΩ
16 Place A/B selection
DIN6
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 Description
Voltage for potentiometer, etc.
Analogue input 1
reference for place B
Ground for reference
and controls
Analogue input 2
reference for place A
Voltage for switches,
etc. max 0.1 A
Ground for reference and controls
Contact closed = start forward
Contact closed = start reverse
Contact open = no fault
Contact closed = fault
Connect to GND or +24 V
Voltage for switches (see #6)
Ground for reference and controls
Contact closed
= start forward
Contact closed
= start reverse
Contact open = place A is active
Contact closed = Place B is active
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)
Local/Remote Control Application
,
L
AB296635287482en-000301 / DPD00903