Pilz PSS SB NOT, Basic license - Manual (Page 96)

8-12
Examples
Modular Block System: Emergency Stop Circuits
Fig 8-11: Wiring diagram
Feedback loop monitoring (shutdown with two main contactors
connected in series and pulsed outputs), category 4
Block: SB067/RFK_K4
INFORMATION
If wired outside the control cabinet, or if there is any possibility of a short
circuit, the feedback loops must be allocated pulsed outputs (A0.16 and
A0.17); this must be entered in the configurator (DB002).
L1 24 V
N
M1
K-M1.2
K-M1.1
RFK
K-M1.1 RFK
K-M1.2
M1
START
E0.01 E0.02 E0.08
PSS
+ A1.16 -
K-M1.1
K-M1.2
A0.16 A0.17
pulsed outputs
M