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Elmark Automatyka S.A.
ul. Niemcewicza 76, 05-075 Warszawa, tel. (+48) 22 773 79 37; [email protected]; www.elmark.com.pl
NIP: 5252072585; KRS: 0000803828, Sąd Rejonowy dla M-St. Warszawy, XIV Wydział Gosp. KRS; Kapitał Zakładowy 525.000 zł, w pełni opłacony
PA.27
Detection time of PlD feedback loss
Default
0.0s
Setting Range
0.0s ~ 20.0s
These parameters are used to judge whether PID feedback is lost. If the PIO feedback is smaller than the value of PA.26 and the
continuous time exceeds the value of PA.27, the AC drive reports PIDE and acts according to the selected fault protection action.
Group Pb: Swing Frequency, Fixed Length and Count
The swing frequency function is applied to the textile and chemical fiber fields and the applications where traversing and winding
functions are required.
The swing frequency function indicates that the output frequency of the AC drive swings up and down with the set frequency as
the center. The trace of running frequency at the time axis is shown in the following figure.
The swing amplitude is set in Pb..00 and PB.01. When Pb.01 is set to 0, the swing amplitude is O and the swing frequency does
not take effect.
Figure 4-26 Swing frequency control
Pb.00
Swing frequency selling mode
Default
0
Selling Range
0
Relative to the central frequency
1
Relative to the maximum frequency
This parameter is used to select the base value of the swing amplitude.
0: Relative to the central frequency (P0.03 frequency source selection)
It is variable swing amplitude system. The swing amplitude varies with the central frequency (set frequency).
1: Relative to the maximum frequency (P0.12 maximum output frequency)
It is fixed swing amplitude system. The swing amplitude is fixed.
Pb.01
Swing frequency amplitude
Default
0.0%
Setting Range
0.0% ~ 100.0%
Pb.02
Jump frequency amplitude
Default
0.0%
Selling Range
0.0% ~ 50.0%
This parameter is used to determine the swing amplitude and jump frequency amplitude.
The swing frequency is limited by the frequency upper limit and frequency lower limit.
If relative to the central frequency (Pb.00 = 0), the actual swing amplitude AW is the calculation result of P0.03 (Frequency source
selection) multiplied by Pb.01.lf relative to the maximum frequency (Pb.00 = 1), the actual swing amplitude AW is the calculation
result of P0.12 (Maximum frequency) multiplied by Pb.01.Jump frequency = Swing amplitude AW x Pb.02 (Jump frequency
Содержание elmatic ED2000
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