BONFIGLIOLI act 401 Operations Instructions download pdf (Page 53)

52 06/05

5.1.4.1 Examples

The analog input signal is mapped onto a reference value as a function of the charac-

teristic. The following examples show the operation modes for an analog voltage sig-

nal. The parameter

Minimum Frequency 418 is set to the value 0.00 Hz. The charac-

teristic point 100% for the Y axis corresponds to the parameter

Maximum Frequency

419 of 50.00 Hz in the examples.

Attention!

he various operation modes chan

e the input characteristic as a function

of the parameterized characteristic points. In the followin

examples, the

areas of the system of coordinates from which a characteristic point is

displaced are marked.

Operation mode "1 – bipolar"

In operation mode "1 – bipolar“, the characteristic of the analo

input can be freely

set by stating two characteristic points.

Characteristic point 1:

X1 = -70.00% · 10 V = -7.00 V

Y1 = -50.00% · 50.00 Hz = -25.00 Hz

Characteristic point 2:

X2 = 80.00% · 10 V = 8.00 V

Y2 = 85.00% · 50.00 Hz = 42.50 Hz

Tolerance band:

ΔX = 2.00% · 10 V = 0.20 V

(X2=80% / Y2=85%)

-25Hz

42.50Hz

(X1=-70% / Y1=-50%)

-7V

he chan

e of direction of rotation is done

in the example at an analo

input si

nal

of -1.44 V, with a tolerance band of ±0.20

Operation mode "11 – unipolar"

In operation mode "11 – unipolar“, the characteristic points are displaced to the ori

of the characteristics with a negative value for the X axis.

Characteristic point 1:

X1 = -70.00% · 10 V = -7.00 V

Y1 = -50.00% · 50.00 Hz = -25.00 Hz

Characteristic point 2:

X2 = 80.00% · 10 V = 8.00 V

Y2 = 85.00% · 50.00 Hz = 42.50 Hz

Tolerance band:

ΔX = 2.00% · 10 V = 0.20 V

(X2=80% / Y2=85%)

-25Hz

42.50Hz

(X1=-70% / Y1=-50%)

-7V

The characteristic point 1 has been dis-

placed to the origin. The parameter

Tol-

erance band

560 is not taken into ac-

count in this example, as no chan

e o

n of the reference frequency value

takes place.

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BONFIGLIOLI act 401 Operations Instructions Page 53

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