6.2 Control I/O in PID Control Application
-
+
1
6
2
3
4
5
18
19
20
12
7
13
8
9
10
14
15
16
21
22
23
11
17
24
25
26
2-wire
Transmitter
Reference potentiometer,
1-10kΩ
mA
RUN
READY
AO1-
DO1
+24 V
GND
GND
DIN1
DIN2
DIN3
DIN4
DIN5
DIN6
RO1
RO1
RO1
CMA
CMB
RO2
RO2
RO2
OPTA1
OPTA2 / OPTA3
Terminal
Signal
Description
+10V
ref
AI1+
AI1-
AI2+
AI2-
+24V
Reference output
I/O Ground
Analogue input 2
Current range
0—20mA
Programmable
(P2.2.9)
Control voltage output
I/O ground
Place A: Start forward
R
i
min. = 5kΩ
Fault reset
Programmable (P2.2.2)
External fault input
Programmable (P2.2.2)
Place B: Start forward
R
i
min. = 5 kΩ
Jogging speed selection
Programmable (P2.2.3)
Control place A/B selection
Contact closed = Jogging speed active
Start signal for control place B
Frequency reference (P2.2.5.)
Common for DIN 1—DIN 3
Common for DIN4—DIN6
Control voltage output
I/O ground
Analogue output 1
Output frequency
Programmable (P2.3.2)
Digital output
READY
Programmable (P2.3.7)
Open collector,
I≤50 mA, U≤48 VDC
Relay output 1
RUN
Programmable
(P2.3.8)
Relay output 2
FAULT
Programmable
(P2.3.9)
AO1+
Analogue input 1
PID reference
Ground for reference
and controls
Analogue input 2
PID actual value 1
Contact closed = start forward
Contact closed = fault reset
Contact closed = start reverse
Contact closed = fault
Contact open = no fault
Reference voltage for potentiometer, etc.
Analogue input 1
Voltage range 0—10V DC
Programmable (P2.1.11)
Voltage for switches,
etc. max 0.1 A
Voltage for switches (see #6)
Connect to GND or +24 V
Actual
value
(0) 4-20
mA
Contact open = Control place A
is active Contact closed =
Control place B is active
Connect to GND or +24 V
Ground for reference and controls
Ground for reference and controls
Range 0—20 mA/R
L
,
max. 500 Ω
e3
0b
h0
97
.2
0
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
. More information in the User Manual of the product.
AB296635287482en-000301 / DPD00903 | 61
Danfoss A/S © 2023.02
PID Control Application
VACON® NX All-in-One
Application Guide
Summary of Contents for VACON NX
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