Braking Module External - Siemens SINAMICS S120 Function Manual

Function modules

8.4 Braking Module External

8.4 Braking Module External
This function module can be activated via the infeed commissioning wizard.
You can check the current configuration in parameter r0108.26.
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
disabled.
Figure 8-5
Features
● Braking the motor without any possibility of regenerating into the line supply (e.g. power
failure)
● Fast DC link discharge (booksize format)
● The Braking Module External terminals are controlled via the drive object infeed
(booksize and chassis format)
● Controlling up to eight Braking Modules in a parallel connection
● Acknowledging faults at the Braking Module External
480
Example of controlling two booksize Braking Modules
Function Manual, 11/2017, 6SL3097-4AB00-0BP5
Drive functions