Table 34: Open loop settings
Index Parameter Min Max Unit Default ID Description
P3.1.4.1 U/f Ratio 0 2 0 108
0 = Linear
1 = Squared
2 = Programmable
P3.1.4.2
Field Weakening
Point Frequency
8.00 P3.3.1.2 Hz Varies 602
P3.1.4.3
Voltage at Field
Weakening Point
10.00 200.00 % 100.00 603
P3.1.4.4
U/f Midpoint Fre-
quency
0.00 P3.1.4.2. Hz Varies 604
P3.1.4.5 U/f Midpoint Voltage 0.0 100.0 % 100.0 605
P3.1.4.6
Zero Frequency Volt-
age
0.00 40.00 % Varies 606
P3.1.4.7 Flying Start Options 0 255 0 1590
B0 = Search the shaft
frequency only from
the same direction as
the frequency refer-
ence
B1 = Disable AC scan-
ning
B4 = Use the frequency
reference for the initial
guess
B5 = Disable DC pulses
B6 = Flux build with
current control
B7 = Reverse injection
direction
P3.1.4.8
Flying Start Scan
Current
0.0 100.0 % 45.0 1610
P3.1.4.9 Auto Torque Boost 0 1 0 109
0 = Disabled
1 = Enabled
P3.1.4.10
Torque Boost Motor
Gain
0.0 100.0 % 100.0 667
P3.1.4.11
Torque Boost Gener-
ator Gain
0.0 100.0 % 0.0 665
M3.1.4.12 I/f Start This menu includes 3 parameters. See the table below.
VACON · 102 PARAMETERS MENU
5
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