Braking Module - Siemens SINAMICS S120 Function Manual

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Braking Module

● Braking the motor without any possibility of regenerating into the line supply (e.g. power

● Fast DC link discharge (booksize format)

● The Braking Module terminals are controlled via the drive object infeed (booksize and

● Controlling up to 8 Braking Modules in a parallel connection.

● Acknowledging faults at the Braking Module

The "Braking Module" function module can be activated in the infeed drive object. The

appropriate binectors must be interconnected via digital inputs/outputs (e.g.: Control Unit,

TM31 or TB30) with the Braking Module.

In order to obtain the maximum power of a Braking Module, the Vdc_max control must be

Acknowledgement of faults

When the Braking Module issues a fault message at binector input p3866, an attempt is

made to acknowledge the fault using signal p3861 at terminal X21.1 booksize or X21.3

chassis every 10 ms. Alarm A06900 is output simultaneously.

Drive functions

Function Manual, (FH1), 10/2008, 6SL3097-2AB00-0BP5

chassis format)

Example of controlling two booksize Braking Modules

Function modules

7.5 Braking Module