Braking Module External - Siemens SINAMICS S120 Function Manual
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- Function manual (1094 pages) ,
- Diagnostic manual (947 pages) ,
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Function modules
7.4 Braking Module External
7.4
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 7-5
Features
● Braking the motor without any possibility of regenerating into the line supply (e.g. power
● Fast DC link discharge (booksize format)
● The Braking Module External terminals are controlled via the drive object infeed
● Controlling up to eight Braking Modules in a parallel connection
● Acknowledging faults at the Braking Module External
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 r3861 at terminal X21.1 booksize or X21.3
chassis every 10 ms. Alarm A06900 is output simultaneously.
422
Example of controlling two booksize Braking Modules
failure)
(booksize and chassis format)
Function Manual, (FH1), 01/2013, 6SL3097-4AB00-0BP3
Drive functions
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