Siemens SINAMICS G120XA - Bypass; Bypass Control Via Converter

6.9.2 Bypass
Overview
The "Bypass" function switches the motor between converter and line operation.
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Figure 6-84 Bypass control via converter
Requirements placed on the K1 converter contactor and K2 line contactor:
● K1 and K2 are designed for switching under load.
● K2 is designed for switching an inductive load.
● K1 and K2 are interlocked against closing at the same time.
Requirements
● The "Bypass" function is supported only for induction motors.
● The "Flying restart" function must be activated for the "Bypass" function (p1200 = 1 or 4).
Flying restart – switching on while the motor is running (Page 318)
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Advanced commissioning
6.9 Energy saving
SINAMICS G120XA converter
332 Operating Instructions, 03/2019, FW V1.0, A5E44751205B AB