External Safety Components; Protection And Monitoring Functions Of Internal Components - Siemens SINAMICS GM150 Operating And Installation Instructions

Description
3.2 Safety concept
● The electromechanical interlock system for the make-proof grounding switch prevents the
● The EMERGENCY OFF mushroom pushbutton in the cabinet door is a pushbutton with
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 drive has the following external safety components for the safety concept:
● 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
● Drive protection based on monitoring systems:
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make-proof grounding switch from closing for the voltage DC link. The make-proof
grounding switch can only be closed if the circuit-breaker is open and the DC link has been
completely discharged.
mechanical interlock system for EMERGENCY OFF, Stop Category 0 (standard).
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 6SL3815-2LN41-4AA2
Operating Instructions 04/2017