Pilz PNOZ mm0.2p - Manual (Page 30)

6.2 Preparing for operation
6 Commissioning
Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: +49 711 3409-0, Telefax: +49 711 3409-133, E-Mail: [email protected]
6-6
*Two loads may be connected to each safety output with advanced fault
detection, even on applications in accordance with EN IEC 62061, SIL
CL 3. Prerequisite: Feedback loop is connected, shorts across contacts
and external power sources are excluded (e.g. through separate multi-
core cables). Please note that, in the event of an error in the feedback
loop, the safety system switches to a safe condition and shuts down
all
the outputs.
 Connection examples for feedback loop
Feedback loop Redundant output
Contacts from external contactors
K1
L+
L-
K2
O0 (O2, O4)
O1 (O3, O5)
IM0
L-