Function library – Lenze E82xVxxxKxxxxx User Manual

Page 288

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Function library

Acceleration, deceleration, braking, stopping
Setting of acceleration times, deceleration times and S−shaped ramps

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EDS82EV903 EN 3.0

S−shaped ramp setting

C0182 > 0.00: S–shaped (smooth) ramp function generator operation for the main
setpoint.

ƒ

The value of C0182 determines the shape of the S−curve.

ƒ

C0182 has no effect on the additional setpoint (PCTRL1−NADD).

8200vec528

Fig. 10−7

Acceleration times and deceleration times for linear ramp function generator

)

Note!

ƒ

The ramp function generator operation in the parameter sets must not
differ as C0182 is the same in all parameter sets.

ƒ

The S−shaped ramp also has an effect on the deceleration time for quick
stop!

Special functions for the ramp function generator

Setting the ramp function generator to 0

The ramp function generator input of the main setpoint can be set to 0 under C0410/6:

ƒ

The main setpoint decelerates to 0 Hz along the deceleration ramp (C0013) as long
as the function is active.

ƒ

With setpoint summation or in controlled operation the drive can continue to run.

Stopping the ramp function generator

The ramp function generator of the main setpoint can be stopped under C0410/5
(NSET1−RFG1−STOP).

The ramp function generator output value remains the same as long as the function is
active.

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