Pilz PNOZ s5 - Monitored Start Timing Diagrams; Monitored Start with Rising and Falling Edge

PNOZ s5
Operating Manual PNOZ s5
21397-EN-10
12
Monitored start
} [1]: Monitored start with rising edge
– a: Input circuit closes before start circuit
– b: Start circuit closes before input circuit
} [2]: Monitored start with falling edge
– a: Input circuit closes before start circuit
– b: Start circuit closes before input circuit
[1] [2]
Legend
} POWER: Supply voltage
} Start: Start circuit
} Input: Input circuits
} Output safe: Safety contacts, instantaneous
} Output safe del: Safety contacts, delayed
} Output semi: Semiconductor output
} t
1
: Switch-on delay
} t
2
: Delay-on de-energisation
} t
3
: Waiting period with a monitored start
} t
4
: Min. start pulse duration with a monitored start
} t
v
: Delay time
NOTICE
At the latest, the delay-on de-energisation safety contacts open after the set
delay time + 20 ms + 15% of the set value, even in the case of a component
failure.