Emergency Stop Shutdown To Sil 1 Or Pl C With A 3Sk1 Safety Relay Without The 3Rw55 Failsafe Soft Starter - Siemens SIRIUS 3RW55 Equipment Manual

Wiring
-Q21
F1
S1
S2
Q1
Q11
Q21
Q22
P1
M1
PE
A.3.13 EMERGENCY STOP shutdown to SIL 1 or PL c with a 3SK1 safety relay without
the 3RW55 Failsafe soft starter
The 3RW55 soft starter has no effect or influence on the safety function of the application. For
this reason, it is neither positively nor negatively considered in the safety application, and also
does not have to be included in the calculation for proof according to the standards.
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006
L1 L2 L3
1 3 5
-F1
2 4 6
1/L1 3/L2 5/L3
-Q22
2/T1 4/T2 6/T3
1 3 5
-Q1
2 4 6
-Q11
1/L1 3/L2
1/L1 3/L2 5/L3
2/T1 4/T2 6/T3
2/T1 4/T2
U1 V1 W1
M
-M1
3~
PE
PE
Fuse
Pushbutton: Switch: Motor On / Off
Pushbutton: Reset
External overload relay
3RW5 soft starter
External bypass contactor
Main contactor
Indicator light
Motor
Protective conductor
L/+ L/+
1
-F1
2
13
-S1
14
5/L3 A1 L+ M DI 1
>
6/T3 A2 T1 T2 AQ I+
L/-
PE
A.3 Special applications
NO NO
13 23
-Q11 -Q11
14 24
1
13
A1 x1
U
-Q21 -P1
-S2
14
A2 x2
2
DI 2 DI 3 DI 4
AQ U+ AQ-
Example circuits
11
-Q1
12
A1
-Q22
A2
L/-
335