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
643
Input circuit Single-channel Dual-channel
Light beam device or safety
switch, detection of shorts across
contacts via ESPE
(only on unit types with UB = 24
VDC)
A1
A2 S12
S22
24 V DC
GND
Start circuit/feedback loop
Without feedback loop monit-
oring With feedback loop monitoring
Automatic start
Monitored, manual start/restart
S12
S34
S3
Semiconductor output Unit types with U
B
24 VDC
Unit types with U
B
48 – 240 VAC/
DC
*Connect together the 0V con-
nections on all the external power
supplies
Legend
} S1/S2: E-STOP/safety gate switch
} S3: Reset button
} : Switch operated
} : Gate open