Lenze 8400 Bedienungsanleitung PDF herunterladen (Seite 249)

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101

Braking operation

Braking o peration without additional measures

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249

EDS84ASC552 EN 9.1

8 Braking operation

8.1 Braking operation without additional measures

DC injection brake DCB

To decelerate small masses, the ”DC injection brake DCB” function can be parameterised.

DC-injection braking enables a quick deceleration of the drive to standstill without the

need for an external brake resistor.

ƒ Code C00036 can be used to select the braking current.

ƒ The m aximum braking torque to be realised by the DC braking current amounts to

approx. 20 ... 30 % of the rated motor torque. It i s lower compared to braking action

in generator mode with external brake resistor.

ƒ Automatic DC-injection braking (Auto-DCB) improves the starting performance of

the motor when the operation mode without speed feedback is used.

Further information on the relevant parameters can be obtained from the software

manual.

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