Datasheet

Relays for functional safety
Safety relays PNOZsigma
PNOZ s2
Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: [phone], Telefax: [phone], E-Mail: [e-mail]
2016-09
561
Timing diagram
[1] [2] [4][3]
Legend
} Power: Supply voltage
} Start: Start circuit
} Input: Input circuits
} Output safe: Safety contacts
} Output aux: Auxiliary contacts
} Out semi: Semiconductor output
} [1]: Automatic start
} [2]: Manual start
} [3]: Monitored start with rising edge
} [4]: Monitored start with falling edge
} a: Input circuit closes before start circuit
} b: Start circuit closes before input circuit
} t
1
: Switch-on delay
} t
2
: Delay-on de-energisation
} t
3
: Waiting period
} t
4
: Min. start pulse duration with a monitored start