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Function library

Function blocks

3.2.57 Ramp function generator (RFG)

3−165

EDSVS9332S−EXT EN 2.0

3.2.57.1 Calculation and setting of the times T

and T

The acceleration time and deceleration time refer to a change of the output value from 0 to 100 %.

The times T

and T

to be set can be calculated as follows:

100 %

RFG1−OUT

[%]

+ t

100%

w2 * w1

+ t

100%

w2 * w1

Fig. 3−154 Acceleration and deceleration times of the ramp function generator

and t

are the times desired for the change between w

and w

.The values for T

and T

can be

set under C0671 and C0672.

3.2.57.2 Loading of the ramp function generator

The ramp function generator can be initialised with defined values via the inputs RFG1−SET and

RFG1−LOAD.

l As long as the input RFG1−LOAD = HIGH, the input RFG1−SET is switched to the output.

l If the input RFG1−LOAD = LOW, the ramp function generator accelerates/decelerates from this

value to its input value within the set T

times.

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Lenze EVS9332xS Bedienungsanleitung Seite 217