Siemens SIRIUS 3RW55 Equipment Manual page 349

Basic configuration
①
②
③
④
⑤
⑥
⑦
⑧
DI
F‑DI
F‑RQ
M
Q1
Q2
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006
EMERGENCY STOP mushroom pushbutton 3SU1 for stopping operation
Pushbutton 3SU1 for enabling the safety function
Selector switch 3SU1 for functional switching on and off
3RW55 Failsafe soft starter
3RT20 contactor
Motor
3SK1 Advanced safety relay
Indicator light
ON: The device has no defect.
OFF: The 3RW55 Failsafe soft starter is not ready to start (Page 212).
Digital input
Failsafe digital input
Failsafe signaling output (output 41, 42; output 4)
Ground
Safety-related output 3SK1
Safety-related output 3SK1
Example circuits
A.4 3RW55 Failsafe soft starter
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