152
Operating Instructions ACU
09/08
The following characteristic is set by default and can be adapted to the application
via the parameters mentioned.
pos. maximum value
neg. maximum value
( X1 / Y1 )
0V
(0mA)
+10V
(+20mA)
( X2 / Y2 )
Y
X
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.
pos. maximum value
( X1 / Y1 )
0V
(0mA)
+10V
(+20mA)
( X2 / Y2 )
Y
X
-80%
100%
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
+
−
⋅
=
Operating Instructions ACU
09/08
152
Summary of Contents for Bonfiglioli Vectron ACTIVE CUBE ACU 201 Series
Page 1: ...ACTIVE CUBE Operating Instructions Frequency Inverter 230V 400V 0 25 kW 132 kW ...
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