Pilz PSS SB NOT, Basic license - Manual (Page 102)

8-18
Examples
Modular Block System: Emergency Stop Circuits
Fig 8-14: Wiring diagram
E-STOP monitoring with monitoring of feedback loop, category 4
Blocks used: SB061/NA_1 and SB067/RFK_K4
WARNING!
When a safety-related device provides a start or restart signal, the start or
restart shall take place automatically only if a hazardous situation cannot
exist (EN 954, 03/97).
L1 24 V
N
E0.01
PSS
A1.16
+ A1.16
- pulsed outputs
E-STOP
A1.00 A1.01
E0.02 E0.03 E0.06
Reset
Feedback Loop
K-M1.1
K-M1.2
M1
M
K-M1.1
K-M1.2