F4
Fuse
S3
Pushbutton: Reset
S10
Pushbutton: Motor 1 Start
S11
Pushbutton: Motor 1 Stop
S20
Pushbutton: Motor 2 Start
S21
Pushbutton: Motor 2 Stop
S30
Pushbutton: Motor 3 Start
S31
Pushbutton: Motor 3 Stop
Q11
3RW55 soft starter
Q21
Starting contactor, motor 1
Q22
Line contactor, motor 1
Q31
Starting contactor, motor 2
Q32
Line contactor, motor 2
Q41
Starting contactor, motor 3
Q42
Line contactor, motor 3
H1
Indicator light
A.3.9
Soft starter for pole-changing motor with separate windings and 2 parameter
sets
Requirements
• 3RW55 or 3RW55 Failsafe soft starter (the example shows the 3RW55 soft starter)
• Parameterization required
Note
The "Coasting down" stopping mode must be set on the 3RW5.
WARNING
Automatic restart.
Can cause death or serious injury.
If a starting command is pending, a restart will be triggered automatically after the reset. This
particularly applies if the motor protection has tripped. Dangerous states of the system can
result.
Reset the start command (e.g. via the PLC or switch) before performing a reset.
To do this, for example, link the group error output (terminals 95 and 96) into the control.
Example circuits
A.3 Special applications
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
328
Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006