PNOZ s9
Operating Manual PNOZ s9
21401-EN-10
13
Delay-on energisation
[1]
[2]
[3]
[4]
POWER
Input
Reset
Output safe
Output aux.
Legend
}
POWER: Supply voltage
}
Input: Input circuit
}
Output safe: Safety contacts
}
Output aux: Auxiliary contact
}
Reset: Feedback loop input
}
t
2
: Delay-on de-energisation
}
tv: Delay time
}
[1]: Normal operating cycle
}
[2]: Fault: Input circuit opened too early, before t
v
expired
}
[3]: Fault: Feedback loop closed too late after t
v
elapsed
}
[4]: Normal operating cycle with supply interruption < 10 ms
NOTICE
At the earliest the safety contacts close after the set delay time - 20 ms -
15% of the set value, even in the case of a component failure.
Installation
Install contact expansion module without base unit:
}
Ensure that the plug terminator is inserted at the side of the unit.
Connect base unit and PNOZsigma contact expansion module:
}
Remove the plug terminator at the side of the base unit and at the contact expander
module
}
Connect the base unit and the contact expansion module using the connector supplied,
before mounting the units to the DIN rail.
Control cabinet installation
}
The safety relay 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 (35 mm).
