JUMO 14597 safetyM STB/STW Ex - Safety Temperature Limiter and Safety Temperature Monitor Operating Manual - Manual (Page 60)

6 Safety Manual
2013-04-01 54
Schematic representation of a combination of safety-related parts of controls for processing a typical safety function
Figure 4:
I Input
L Logic
O Output
1 Start event, e.g. manual actuation of a key, opening of a protective guard,
interruption of the beam of an AOPD
2 Drive unit of the machine, e.g. motor brake
1 2
SRP/CS
a
SRP/CS
b
SRP/CS
c
I L O
i
ab
i
bc