8.3 Control Signal Logic in Pump and Fan Control Application
e
3
0
b
h
0
5
6
.1
0
≥ 1
≥ 1
DIN5
DIN6
AI1
AI2
0
1
2
3
0
1
2
3
4
5
A2
A1
B
0
1
2
3
4
0
1
2
3
4
K
0
1
2
3
4
F
PID
DIN1
DIN4
A
B
A
B
A/B
DIN2
DIN3
6
5
6
7
5
6
5
6
5
6
AI3
AI4
4
A 1
= PID reference (I/O A);
A 2
= PID reference 2 (I/O A);
B
= Direct frequency reference (I/O B);
Internal reverse
Internal fault reset
3.3 Keypad direction
Internal Start/Stop
Reference from fieldbus
Start/Stop from fieldbus
Direction from fieldbus
Jogging speed (programmable, par. 2.2.6.12)
Place A/B selection (programmable, par. 2.2.6.3)
Start; Place A, progr. par. 2.2.6.1
Start; Place B, progr. par.2.2.6.2
Start/Stop
Start/Stop buttons
Internal
frequency ref.
2.1.19 Jogging speed ref.
Keypad
Fieldbus
Reset button
3.1 Control place
2.2.1.3 Fieldbus Ctrl reference
2.2.1.2 Keypad Crtl reference
2.2.1.1 I/O B reference
2.2.1.4 PID reference 2
2.1.11 PID reference 1
Reset from the fieldbus
Interlock 1 (programmable, par. 2.2.6.18)
Interlock 2 (programmable, par. 2.2.6.19)
Actual value 1
2 .2 .1 .9
0 = Not used
1 = AI1
2 = AI2
3 = AI3
4 = AI4
5 = Fieldbus
Actual value 2
0 = Not used
1 = AI1
2 = AI2
3 = AI3
4 = AI4
5 = Fieldbus
Autochange
logic
Autochange 1
Autochange 2
RO1
RO2
PID fieldbus ref.
(FBProcessDataIN1)
Motor
potentiometer
PID fieldbus ref. 2
(FBProcessDataIN3)
A reference
(programmable)
(programmable)
Stop button
active, P3.6=1
PID keypad ref. 1
R3.4
PID keypad ref. 2
R3.5
Keypad ref., R3.2
A reference
Calculation of
freq.ref. and
control logic
of auxiliary
drives
Illustration 24: Control Signal Logic of the Pump and Fan Control Application
8.4 Parameter Lists for Pump and Fan Control Application
8.4.1 Monitoring Values (Control Panel: Menu M1)
The monitoring values are the actual values of parameters and signals as well as statuses and measurements. Monitoring values
cannot be edited.
Table 90: Monitoring Values
Index
Monitoring value
Unit
Form
ID
Description
V1.1
Output frequency
Hz
#.##
1
-
V1.2
Frequency reference
Hz
#.##
25
-
V1.3
Motor speed
RPM
#
2
-
AB296635287482en-000301 / DPD00903
132 | Danfoss A/S © 2023.02
Pump and Fan Control Application
VACON® NX All-in-One
Application Guide
Summary of Contents for VACON NX
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