Datasheet
Relays for functional safety
Safety relays PNOZsigma
PNOZ s50
Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: +49 711 3409-0, Telefax: +49 711 3409-133, E-Mail: info@pilz.com
2016-09
920
off
450
1000
1500
2150
1
3
2
O1
T 1000 ms
U 12 V
Cancel Store
4
Fig.: Changing numeric values
Display menu at cold start
When the device is switched on in the PowerOn operating state (cold start), the memory
contents of the device and the chip card are read and compared. If there are any devi-
ations, messages will appear.
Overview Display Description
No Chipcard detected
No chip card and no chip
card holder in the device.
No Cipcard
detected
Proceed?
No Yes
No – Insert chip card or only
chip card holder
Yes – Switch to RUN operat-
ing state, without a chip card
inserted
Chipcard is Defect
The chip card is defective
or
Only the chip card holder is
inserted.
Cipcard is
defect, remove
Or replace
Proceed
Proceed – 1. Use a valid
chip card or insert chip card
holder only.
2. Restart device with Pro-
ceed.
Memories are unequal
The parameters on the chip
card and in the device
memory are not identical.
Memories are
unequal, Copy
Ext. To Int. ?
Int. To Ext. ?
Copy from
Ext. Memory
and Restart?
No Yes
Copy from
Int. Memory
and Restart?
No Yes










