Siemens SINAMICS G120X - Bypass; Bypass Control Via Converter

6.10.3 Bypass
Overview
The "Bypass" function switches the motor between converter and line operation.
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Figure 6-97 Bypass control via converter
Requirements
● The "Bypass" function is supported only for induction motors.
● The K1 converter contactor and K2 line contactor are designed for switching under load.
● The K2 line contactor is designed for switching under inductive load.
● The K1 converter contactor and K2 line contactor are interlocked against closing at the
same time.
● The "flying restart" function must be activated (p1200 = 1 or 4).
Flying restart – switching on while the motor is running (Page 423)
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Advanced commissioning
6.10 Energy saving
SINAMICS G120X converter
Operating Instructions, 06/2019, FW V1.01, A5E44751209B AC 439