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D-36
Parameter Reference
PNO
Parameter Descriptions
1544
Filter Type
NONE : no filter applied – no parameter selection
MAX ATTENUATION : First Order Low Pass Filter ( Butterworth form ). 3dB attenuation frequency given by Cut Off Frequency.
(
)
H
s
MINIMUM PHASE : First Order Low Pass Fitler ( similar to preceeding, but with less phase shift and less efficient roll off
characteristics ). 3dB attenuation frequency given by Cut Off Frequency.
(
)
H
s
PHASE ADVANCE : Gives a phase advance between Frequency 1 and Frequency 2.
(
)
H
s
NOTCH : Zero transmission notch at a frequency given by Cut Off Frequency. The damping factor is given by Factor.
(
)
H
s
1545
Cut Off Frequency
3dB attenuation frequency if Filter Type is MAX ATTENUATION or MINIMUM PHASE
Frequency of Zero transmission if Filter Type is NOTCH
1546
Frequency 1
Frequency 1 if Filter Type is PHASE ADVANCE
1547
Frequency 2
Frequency 2 if Filter Type is PHASE ADVANCE
1548
Factor
Damping factor if Filter Type is NOTCH
−
1
1
+
a
a
z
=
(
)
=
0
1
H
z
−
1
τ
−
1
1
+
⋅
1
+
. 1
s
b
z
1
a
=
(
)
=
0
−
1
H
z
τ
1
+
⋅
1
+
. 1
−
1
s
b
z
τ
1
+
⋅
+
s
a
a
z
=
(
)
=
1
0
1
H
z
−
1
τ
1
+
⋅
1
+
. 1
−
s
b
z
2
2
s
1
+
2
+
ω
2
ω
2
s
=
. 1
=
ξω
ω
2
+
2
+
2
s
s
s
ξ
1
+
2
+
ω
−
1
1
+
−
1
+
⋅
a
a
z
a
z
(
)
=
0
1
2
−
1
H
z
2
1
+
.
−
1
+
⋅
s
b
z
b
z
1
2
ω
2
−
2
−
2
AC30V series Variable Speed Drive
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