Siemens Sinamics G120P Operating Instructions Manual page 414

Functions
7.7 Application-specific functions
Bypass function when activating via a control signal (p1267.0 = 1)
The state of the bypass contactors is evaluated when the inverter is switched on. If the
automatic restart function is active (p1210 = 4) and an ON command (r0054.0 = 1) as well as
the bypass signal (p1266 = 1) are still present at power up, then after power up, the inverter
goes into the "ready and bypass" state (r899.0 = 1 and r0046.25 = 1) and the motor
continues to run directly connected to the line supply.
Figure 7-29 Bypass control independent of the speed via a control signal (p1267.0 = 1)
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Inverter cabinet units
Operating Instructions, 12/2014, A5E32923362A