Lenze EVS9332xK Manual de usuario descargar pdf (Pagina 177)

100

101

Function library

Function blocks

3.2.43 Digital frequency ramp function generator (DFRFG)

3−149

EDSVS9332K−EXT EN 4.0

3.2.43.1 Profile generator

DFRFG-IN

C0752

C0751 C0751

C0755

DFRFG-SYNC

DFRFG-OUT

Fig. 3−112 Synchronisation on DFRFG

The profile generator generates ramps which lead the setpoint phase to its target position.

l Set acceleration and deceleration via C0751.

l Set max. speed via C0752.

l When the distance and speed reach their setpoints, the output switches

DFRFG1−SYNC = HIGH. At the same time the FB switches the profile generator to "inactive".

l Set the switching point via C0755.

Stop!

Do not operate the drive with this function at the torque limitation M

max

, I

max

Fig. 3−113 Speed−time diagram DFRFG

The number of increments at DFRFG−IN (master drive) defines the target position. The target can be

displayed as a path. The speed−time diagram shows the distance covered (angle) as the area below

the speed profile. When synchronicity is reached, master and slave have covered the same distance

(angle).

1 2 ... 172 173 174 175 176 177 178 179 180 181 182 ... 385 386

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Lenze EVS9332xK Manual de usuario Pagina 177

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