Datasheet

Relays for functional safety
Safety relays PNOZsigma
PNOZ s50
Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: [phone], Telefax: [phone], E-Mail: [e-mail]
2016-09
911
Slow shutdown
Activation via single-pole out-
puts
PLC: Safety control system
S35
S36
O3
O4
PLC
PNOZ s50
Connect the inputs to 24 VDC
if slow shutdown is not being
used.
S11: Voltage output 24 VDC
S35
S36
S11 24 V DC
Outputs
Status outputs
PLC: Safety control system
I1
I2
O3
O4
PLC
PNOZ s50
I3
O5
Feedback loop
Feedback loop
A N/C contact is shown in the
connection diagram. A N/O
contact can also be con-
figured.
S11 24 V DC
Y1
Y2
Feedback loop with test
pulses
Please note the allocation of
the test pulses and feedback
loops:
T0 <-> Y1
T1 <-> Y2
Y1
Y2
T0
T1