Pilz PNOZ s6.1 C 48-240VACDC 3 n/o 1 n/c - Manual (Page 4)

PNOZ s6.1
Operating Manual PNOZ s6.1
21692-EN-08
4
– Input status, channel 2
– Switch status of the safety contacts
– Feedback loop
– Fault
} Plug-in connection terminals (either spring-loaded terminal or screw terminal)
Safety features
The safety relay meets the following safety requirements:
} The safety relay prevents the plant from being enabled in the following cases:
– Power supply failure
– Component failure
– Short circuit on an input circuit
– Coil defect
– Open circuit
– Earth fault
} In each on-off cycle, the output relays on the safety device are tested to ensure they
open and close correctly
} The unit has an electronic fuse.
Block diagram/terminal configuration
Input Input
A1 A2 S23 S24
=
Power
Feed-
back
(Reset)
S34
S13 S14
=
Y32
(~)
K1
K2
13 23 33
24 34 14
41
42
Interface expansion
unit
( )
* *
Centre: Front view with cover, right: Front view without cover
Grey highlighted area: Applies only with U
B
= 48 – 240 V AC/DC
*Insulation between the non-marked area and the relay contacts: Basic insulation (overvolt-
age category III), safe separation (overvoltage category II)