Siemens SIRIUS 3RW55 - 7.2 Start-up

Functions
7.2 Start-up
SIRIUS 3RW55 soft starter
80 Manual, 08/2018, A5E35630887002A/RS-AB/002
7.2
Start-up
7.2.1
Starting modes
Starting modes of the soft starter
The starting mode of the soft starter determines how the motor is ramped up after the start
command. You can set various starting modes:
● Soft starting with voltage ramp (Page 83)
● Soft starting with torque control (Page 86)
● Soft starting with voltage ramp and current limiting (Page 89)
● Soft starting with torque control and current limiting (Page 91)
● Direct-on-line starting (Page 92)
● Motor heating (Page 93)
Breakaway pulse
In connection with the four soft starting modes, you can set an advance breakaway pulse.
(Page 94)
Tip
The Automatic parameterization (Page 81) supports you during commissioning and
optimizes the starting parameters of the soft starter at each motor start.