Danfoss VACON NX, Application Manual

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8.4.10 Pump and Fan Control Parameters (Control Panel: Menu M2 -> G2.9)
Table 108: Pump and Fan Control Parameters, G2.9
Index Parameter Min Max Unit Default ID Description
P2.9.1 Number of auxiliary drives 0 4
-
1 1001 -
P2.9.2 Start frequency, auxiliary drive 1 P2.9.3 320.00 Hz 51.00 1002 -
P2.9.3 Stop frequency, auxiliary drive 1 P2.1.1 P2.9.2 Hz 10.00 1003 -
P2.9.4 Start frequency, auxiliary drive 2 P2.9.5 320.00 Hz 51.00 1004 -
P2.9.5 Stop frequency, auxiliary drive 2 P2.1.1 P2.9.4 Hz 10.00 1005 -
P2.9.6 Start frequency, auxiliary drive 3 P2.9.7 320.00 Hz 51.00 1006 -
P2.9.7 Stop frequency, auxiliary drive 3 P2.1.1 P2.9.6 Hz 10.00 1007 -
P2.9.8 Start frequency, auxiliary drive 4 P2.9.9 320.00 Hz 51.00 1008 -
P2.9.9 Stop frequency, auxiliary drive 4 P2.1.1 P2.9.8 Hz 10.00 1009 -
P2.9.10 Start delay, auxiliary drives 0.0 300.0 s 4.0 1010 -
P2.9.11 Stop delay, auxiliary drives 0.0 300.0 s 2.0 1011 -
P2.9.12 Reference step, auxiliary drive 1 0.00 100.00 % 0.00 1012 -
P2.9.13 Reference step, auxiliary drive 2 0.00 100.00 % 0.00 1013 -
P2.9.14 Reference step, auxiliary drive 3 0.00 100.00 % 0.00 1014 -
P2.9.15 Reference step, auxiliary drive 4 0.00 100.00 % 0.00 1015 -
P2.9.16 PID controller bypass 0 1
-
0 1020 1 = PID contr. bypassed
P2.9.17 Analogue input selection for input pres-
sure measurement
0 5
-
0 1021 0 = Not used
1 = AI1
2 = AI2
3 = AI3
4 = AI4
5 = Fieldbus signal (FBPro-
cessDataIN3)
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 frequency drop nor
increase
AB296635287482en-000301 / DPD00903 148 | Danfoss A/S © 2023.02
Pump and Fan Control Application
VACON® NX All-in-One
Application Guide