PNOZ X4
Operating Manual PNOZ X4
19894-EN-07
9
}
Monitored start: Unit is active once the input circuit is closed and once the start circuit is
closed after the waiting period has elapsed (
see Technical details [
15]
).
}
Increase in the number of available contacts by connecting contact expander modules
or external contactors/relays.
Timing diagram
[1]
[1]
[2]
[2]
[3]
[3]
Legend
}
Power: Supply voltage
}
Start: Start circuit
}
Input: Input circuit
}
Output safe: Safety contacts
}
Output aux: Auxiliary contact
}
[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
: Recovery time
}
t
4
: Waiting period with a monitored start
Installation
}
The unit should be installed in a control cabinet with a protection type of at least IP54.
}
Use the notch on the rear of the unit to attach it to a DIN rail.
}
Ensure the unit is mounted securely on a vertical DIN rail (35 mm) by using a fixing ele-
ment (e.g. retaining bracket or an end angle).