Vacon NX series Applications Manual

Table 102: Pump and fan control parameters
Index Parameter Min Max Unit Default Cust ID Description
P2.9.17
Analogue input
selection for input
pressure meas-
urement
0 5 0 1021
0 = Not used
1 = AI1
2 = AI2
3 = AI3
4 = AI4
5 = Fieldbus signal
(FBProcessDa-
taIN3)
P2.9.18
Input pressure
high limit
0.0 100.0 % 30.0 1022
P2.9.19
Input pressure
low limit
0.0 100.0 % 20.0 1023
P2.9.20
Output pressure
drop
0.0 100.0 % 30.0 1024
P2.9.21
Frequency drop
delay
0.0 300.0 s 0.0 1025
0 = No delay
300 = No fre-
quency drop nor
increase
P2.9.22
Frequency
increase delay
0.0 300.0 s 0.0 1026
0 = No delay
300 = No fre-
quency drop nor
increase
P2.9.23 Interlock selection 0 2 1 1032
0 = Interlocks not
used
1 = Set new inter-
lock last; update
order after value
of P2.9.26 or Stop
state
2 = Stop and
update order
immediately
P2.9.24 Autochange 0 1 1 1027
0 = Not used
1 = Autochange
used
P2.9.25
Autoch. and interl.
automatics selec-
tion
0 1 1 1028
0 = Auxiliary drives
only
1 = All drives
PUMP AND FAN CONTROL APPLICATION VACON · 231
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7

Vacon NX series Specifications

General

Product type	AC Drive
Output voltage range	0-Uin
Frequency range	0-500 Hz
Enclosure classes	IP00, IP21
Mounting types	Wall
Braking chopper	Integrated or external
EMC filter	Built-in or external
Control modes	Scalar, Vector
Protection features	Overcurrent, overvoltage, undervoltage, overtemperature, short circuit
Communication options	Modbus, Profibus, CANopen, Ethernet
Ambient temperature range	-10°C to +50°C
Cooling method	Air-cooled