Datasheet

Relays for functional safety
Safety relays PNOZsigma
PNOZ s5
Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: [phone], Telefax: [phone], E-Mail: [e-mail]
2016-09
638
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