PNOZ XV3.3P
Operating Manual PNOZ XV3.3P
20777-EN-09
| 9
Timing diagram
[1]
[2]
[3]
v
v
v
v
v
v
POWER
Start
Reset tv
Input
Output safe
Output safe delay
Legend
}
Power: Supply voltage
}
Start: Start circuit
}
Reset t
v
: Reset circuit
}
Input: Input circuit
}
Output safe: Safety contacts, instantaneous
}
Output safe delay: Safety contacts, delayed
}
[1]: Automatic start
}
[2]: Manual start
}
[3]: Monitored start
}
a: Input circuit closes before start circuit
}
b: Start circuit closes before input circuit
}
t
1
: Switch-on delay
}
t
2
: Delay-on de-energisation
}
t
3
: Waiting period with a monitored start
}
t
4
: Recovery time
}
t
v
: Delay time
NOTICE
At the latest, the delay-on de-energisation safety contacts open after the set
delay time + 50 ms + 15% of the set value, even in the case of a component
failure.