5motor control (mctrl), 2 selecting the control mode – Lenze 8400 StateLine User Manual

Page 121

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Lenze · 8400 StateLine · Reference manual · DMS 12.0 EN · 06/2014 · TD05/TD14

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5

Motor control (MCTRL)

5.2

Selecting the control mode

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Speed feedback
As shown in the following graphics, the drive systems with feedback have, independently of the

motor control, more advantages than systems without feedback.

V/f characteristic control (VFCplus)

V/f control (VFCplus + encoder)

9300vec092

9300vec093

Operation in motor mode (CW rotation),  Operation in generator mode (CCW rotation),

Operation in motor mode (CCW rotation),  Operation in generator mode (CW rotation)

Sensorless vector control (SLVC)

Sensorless control for synchronous motors (SLPSM)

9300vec095

Operation in motor mode (CW rotation),  Operation in generator mode (CCW rotation),

Operation in motor mode (CCW rotation),  Operation in generator mode (CW rotation)

0

1

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M

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M

-M

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n

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n

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M

-M

N

-n

N

n

0

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n

N

M

N

M

-M

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-n

N

n

0

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n

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