User Manual
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
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)