External Safety Components; Protection And Monitoring Functions Of Internal Components - Siemens Sinamics GM150 6SL3835-2LN44-2AA0 Operating And Installation Instructions

Description
3.2 Safety concept
Note
As option, the make-proof grounding switch also serves to ground the input side (option L48)
and the output side (option L49).
3.2.2

External safety components

The following external components for the safety concept are provided:
● Circuit breaker
● Input-side transformer
3.2.3

Protection and monitoring functions of internal components

The internal components of the drive have the following protection and monitoring functions:
● Crowbar
● Device protection using monitoring systems:
● Shutdown in the event of semiconductor failure
● Shutdown in the event of control component failure
30
More detailed information is provided in Chapter Circuit-breaker (provided by the customer)
(Page 38).
The transformer on the input side must be configured in such a way that the maximum short-
circuit current is not exceeded. Information on this is provided in the technical data sheet of
the transformer.
– Current monitoring
– DC-link monitoring
– Output voltage monitoring
– Thermal monitoring of the power unit
– Precharge monitoring
– Insulation monitoring
– Supply voltage monitoring
– GSV monitoring
– Circuit-breaker monitoring
– Re-cooling unit monitoring
SINAMICS GM150 6SL3835-2LN44-2AA0
Operating Instructions Rev.201910281250 MUSTER