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
934
Technical details
General
Approvals CE, EAC (Eurasian), TÜV, cULus Listed
Electrical data
Supply voltage
for Supply to the system
Voltage 24 V
Kind DC
Voltage tolerance -15 %/+20 %
Output of external power supply (DC) 18 W
Output of external power supply (DC) at no load 3 W
Residual ripple DC 5 %
External unit fuse protection F1 4 A, circuit breaker 24 V DC, characteristic B/C
Potential isolation No
Supply voltage
for Supply to 2-pole SC outputs
Voltage 24 V, 48 V
Kind DC
Voltage tolerance -10 %/+10 %
Output of external power supply (DC) 240 W
External unit fuse protection F1 10 A, circuit breaker 48 V DC, characteristic B/C
Potential isolation yes
Inputs
Number 8
Number of safe inputs 4
Number of standard inputs 4
Input current, safe inputs 3 - 10 mA
Input current, standard inputs 3 - 10 mA
Min. threshold voltage when signal changes from "1"
to "0", safe inputs 7 V
Max. threshold voltage when signal changes from "0"
to "1", safe inputs 10 V
Min. threshold voltage when signal changes from "1"
to "0", standard inputs 7 V
Max. threshold voltage when signal changes from "0"
to "1", standard inputs 10 V
Pulse suppression 1 ms
Voltage at
Input circuit DC 24 V
Feedback loop DC 24 V
Potential isolation No