Siemens SINUMERIK Series Function Manual page 149

Use the key-operated switch to select the operating mode:
● Automatic mode: Contacts are open.
● Setup mode: Contacts are closed.
Key-operated switch
Acknowledgment button
K1
K2
Figure 6-12 Circuit diagram: Safe inputs - TM54F
Safety Integrated
Function Manual, 10/2015, 6FC5397-3EP40-5BA3
6.4 Controlling with the SIRIUS 3SK or SIRIUS 3RK relay
+24 VDC
13 14
23 24
K1
+24V
K2
Safe alarm acknowledgment
Commissioning - application example
TM54F
1
L1
2
F-DI 0
Deselect SS1
3
4
F-DI 1
Deselect SOS
5
6
0 V
7
8
X521
1
F-DI 2
SLS level 2
2
3
F-DI 3
Safe acknowledgment
4
7
8
0 V
9
10
X522
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