Vacon NX series Applications Manual page 231

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