Subsequent damage after a full short-circuit trip of the circuit breaker
If, after a full short-circuit trip, the circuit breaker is closed again without first checking it, the
drive or the circuit breaker can be subsequently damaged.
● Before reclosing the circuit breaker, carry out a voltage check and measure the resistance.
Provide the results of these measurements to the Service & Support organization. After the
Service & Support organization has checked the values, if necessary replace the vacuum
tubes of the circuit breaker.
Damage caused by incorrect parameter assignment
Malfunctions can occur if you change parameters.
● Do not change the parameters, e.g. for the motor circuit-breaker.
Note
To complement these operating instructions, the List Manual contains an overview of all
parameters as well as a selection of function diagrams to describe the operating principle.
8.2 Operating the drive
Only trained personnel may operate the converter.
Operation
8.2 Operating the drive
SINAMICS SM150 6SL3845-7NN46-7AA2
104 Operating Instructions Rev.201910281345 EXAMPLE
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