Datasheet

Relays for functional safety
Safety relays PNOZsigma
PNOZ s7.1
Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: [phone], Telefax: [phone], E-Mail: [e-mail]
2016-09
718
Timing diagram
POWER/Input
Output safe
Feedback
Legend
} POWER/Input: Supply voltage/Input
} Output safe: Safety contacts
} Feedback: Feedback loop
} t
1
: Switch-on delay
} t
2
: Delay-on de-energisation
Installation
Install contact expansion module without base unit:
} Ensure that the plug terminator is inserted at the side of the unit.
Connect base unit and contact expansion module PNOZ s7.1:
} Remove the plug terminator at the side of the base unit and at the left of the contact ex-
pansion module
} Connect the base unit and the contact expansion module using the connector supplied,
before mounting the units to the DIN rail.
Connect contact expansion module PNOZ s7.1 to PNOZsigma contact expansion
modules
} Connect the contact expansion modules using the connector supplied.
Control cabinet installation
} The safety relay should be installed in a control cabinet with a protection type of at least
IP54.
} Use the notch on the rear of the unit to attach it to a DIN rail (35mm).
} When installed vertically: Secure the unit by using a fixing element (e.g. retaining
bracket or end angle).
Push the unit upwards or downwards before lifting it from the DIN rail.