The following characteristic is set by default and can be adapted to the application
via the parameters mentioned.
Point 1:
V
0.20
V
10
2.00%
X1
=
⋅
=
Hz
0.00
Hz
50.00
0.00%
Y1
=
⋅
=
Point 2:
V
9.80
V
10
98.00%
X2
=
⋅
=
Hz
0.00
5
Hz
50.00
0.00%
10
Y2
=
⋅
=
The freely configurable characteristic enables setting a tolerance at the ends as well
as a reversal of the direction of rotation.
The following example shows the inverse reference value specification with additional
reversal of the direction of rotation. This is often used in pressure control systems.
Point 1:
V
0.20
V
10
2.00%
X1
=
⋅
=
Hz
50.00
Hz
50.00
0.00%
10
Y1
=
⋅
=
Point 2:
V
9.80
V
10
98.00%
X2
=
⋅
=
Hz
0.00
4
Hz
50.00
0.00%
8
Y2
−
=
⋅
−
=
The reversal of the direction of rotation is
affected in this example at an analog
input signal of 5.5V.
The definition of the analog input characteristic can be calculated via the two-point
form of the line equation. The speed Y of the drive is controlled according to the
analog control signal X.
(
)
Y1
X1
X
X1
-
X2
Y1
-
Y2
Y
+
−
⋅
=
pos. maximum value
neg. maximum value
(X1=2%/Y1=0%)
0 V
(0 mA)
50 Hz
+10 V
(+20 mA)
9.8 V
0.2 V
(X2=98%/Y2=100%)
Y
X
pos. maximum value
(X1=2%/Y1=100%)
0 V
(0 mA)
5.5 V
9.8 V
0.2 V
+10 V
(+20 mA)
(X2=98%/Y2=-80%)
Y
X
-40 Hz
50 Hz
06/13
Operating Instructions ACU
173
Summary of Contents for ACTIVE Cube ACU 201-01
Page 1: ...ACTIVE CUBE Operating Instructions Frequency inverter 230 V 400 V 0 25 kW 132 kW...
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