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

VACON® NX All-in-One
Application Guide

6.2 Control I/O in PID Control Application

Reference potentiometer,
1-10kΩ
2-wire
Transmitter
-
Actual
value
(0) 4-20
+
mA
mA
READY
RUN
Illustration 14: Default I/O Configuration in PID 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
Danfoss A/S © 2023.02
OPTA1
Terminal
Reference output
1 +10V
ref
Analogue input 1
AI1+
Voltage range 0—10V DC
2
Programmable (P2.1.11)
AI1- I/O Ground
3
Analogue input 2
AI2+
4
Current range
0—20mA
Programmable
AI2-
5
(P2.2.9)
+24V
6 Control voltage output
GND
7
I/O ground
Place A: Start forward
8 DIN1
R
External fault input
DIN2
9
Programmable (P2.2.2)
Fault reset
10 DIN3
Programmable (P2.2.2)
CMA
11
Common for DIN 1—DIN 3
+24 V
12
Control voltage output
13 GND
I/O ground
Place B: Start forward
14 DIN4
R
Jogging speed selection
15 DIN5
Programmable (P2.2.3)
16 DIN6
Control place A/B selection
17 CMB
Common for DIN4—DIN6
18
AO1+
Analogue output 1
Output frequency
19
AO1-
Programmable (P2.3.2)
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
15. More information in the User Manual of the product.
Signal
Reference voltage for potentiometer, etc.
Analogue input 1
PID reference
Ground for reference
and controls
Analogue input 2
PID actual value 1
Voltage for switches,
etc. max 0.1 A
Ground for reference and controls
Contact closed = start forward
min. = 5kΩ
i
Contact closed = start reverse
Contact closed = fault
Contact open = no fault
Contact closed = fault reset
Connect to GND or +24 V
Voltage for switches (see #6)
Ground for reference and controls
min. = 5 kΩ
i
Start signal for control place B
Frequency reference (P2.2.5.)
Contact closed = Jogging speed active
Contact open = Control place A
is active Contact closed =
Control place B is active
Connect to GND or +24 V
Open collector,
I≤50 mA, U≤48 VDC
Relay output 1
RUN
Programmable
(P2.3.8)
Relay output 2
FAULT
Programmable
(P2.3.9)
PID Control Application
Description
Range 0—20 mA/R ,
L
max. 500 Ω
AB296635287482en-000301 / DPD00903 | 61