Siemens sinamics G120 Operating Instructions Manual page 272

Low voltage inverters chassis devices with cu250s-2 control units and encoder evaluation

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Table of Contents

Advanced commissioning

6.7 Application-specific functions

Braking with regenerative feedback into the line supply

The inverter feeds electrical energy back into the line supply

(energy recovery).

not completely converted into heat, but regenerated into the

line supply; is suitable for all applications; continuous

regenerative operation is possible - e.g. when lowering a

suspended load

Disadvantage:

Which Power Module permits which braking technique?

Electrical braking methods

DC braking, compound braking

Dynamic braking

Braking with regenerative feedback into the line supply

Constant braking torque; the braking energy is

Does not function for a power failure

Operating Instructions, 01/2016, FW V4.7 SP6, A5E31759476B AE

Power Modules that can be used

PM240, PM340

PM250, PM260

Converter with CU250S-2 Control Unit