Danfoss VACON NX, Application Manual

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Index Parameter Min Max Unit Default ID Description
1 = Speed control
P2.6.2
(1)
U/f optimisation 0 1
-
0 109 0 = Not used
1 = Automatic torque boost
P2.6.3 (1)
U/f ratio selection 0 3
-
0 108 0 = Linear
1 = Squared
2 = Programmable
3 = Linear with flux optim.
P2.6.4
(1)
Field weakening point 8.00 320.00 Hz 50.00 602
-
P2.6.5
(1)
Voltage at field weakening point 10.00 200.00 % 100.00 603
-
P2.6.6
(1)
U/f curve midpoint frequency 0.00 P2.6.4 Hz 50.00 604
-
P2.6.7
(1)
U/f curve midpoint voltage 0.00 100.00 % 100.00 605
-
P2.6.8 (1)
Output voltage at zero frequency 0.00 40.00 % Varies 606
-
P2.6.9 Switching frequency 1.0 Varies kHz Varies 601 For exact values, see Table 119 .
P2.6.10
Overvoltage controller
0 2
-
1 607 0 = Not used
1 = Used (no ramping)
2 = Used (ramping)
P2.6.11 Undervoltage controller 0 2
-
1 608 0 = Not used
1 = Used
2 = Used (ramping to zero)
P2.6.12 Identification 0 4
-
0 631 0 = No action
1 = Identification w/o run
2 = Identification with run
3 = Encoder ID Run (PMSM)
4 = Ident All
1
Use the Terminal to Function method (TTF) with these parameters, see 10.626 "Terminal to Function" (TTF) Programming Principle ).
8.4.8 Protections (Control Panel: Menu M2 -> G2.7)
Table 106: Protections, G2.7
Index Parameter Min Max Unit Default ID Description
P2.7.1 Response to 4 mA reference fault 0 5
-
4 700 0 = No response
1 = Warning
2 = Previous Freq.
3 = Wrng+Preset- Freq 2.7.2
4 = Fault, stop acc. to 2.4.7
5 = Fault, stop by coasting
P2.7.2 4 mA reference fault frequency 0.00 P2.1.2 Hz 0.00 728
-
AB296635287482en-000301 / DPD00903 | 145 Danfoss A/S © 2023.02
Pump and Fan Control Application
VACON® NX All-in-One
Application Guide