B&R ACOPOSinverter P84, Руководство пользователя

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Programming guidelines
284 ACOPOSinverter P84 User's Manual 2.10
2.8.11.34 Evacuation function
The evacuation function is for elevator applications. It is only available for inverters 8I84T400075.01P-1 to
8I84T407500.01P-1.
If a lift is stuck between 2 floors due to a power failure, it must be possible to evacuate its occupants within a
reasonable period of time.
For this function, a back-up power supply must be connected to the inverter.
This power supply is provided with a lower voltage and allows the operating only outside the nominal values at
reduced speed, but with full torque.
The function requires:
• A logic input to control the evacuation function
•
A reduction of the monitoring threshold for voltage
• A suitable reference value for the low speed
After a power failure, the inverter can be restarted without switching into the fault mode
[UNDERVOLT. FAULT] (USF) if the logic input is at 1 at the same time.
Caution!
•
This input is not permitted to be at 1 if the inverter is connected to the power network. To
guarantee this and to avoid short circuits, changeover contactors must be used.
•
Set this input to 0 before connecting the emergency power supply.
Failure to observe these instructions can result in damage to property.
[EMERGENCY POWER SUPPLY] (rFt-)
Code Name/Description Setting range Factory settings
rFt- [EMERGENCY POWER SUPPLY]
Function is only available for the inverters 8I84T400075.01P-1 to 8I84T407500.01P-1.
rFt [Emergency power supply] [No] (nO)
nO [No] (nO) : Function not assigned
LI1 [LI1] (LI1) to [LI6] (LI6)
- The emergency power supply is blocked in state 1 of the input or of the associated bit.
LI6 The emergency power supply is triggered in state 0 of the input or of the associated bit.
rSU [Emergency power supply volt.] 220 to 230 V 220 V
Permissible minimum value of the AC voltage of the emergency power supply.
The parameter is accessible if [emergency power supply] (rFt) is not equal to [No] (nO) .
8I84T4*****.01P-1: Range from 220 to 320 V, Factory setting 220 V.
rSP
[Emergency power supply freq.]
5 Hz
Frequency reference of the mode "Emergency power supply"
The parameter is accessible if [emergency power supply] (rFt) is not equal to [No] (nO) .
The adjustment range is determined by the parameters [low frequency] (LSP) , [rated motor frequency.] (FrS) and, as described above,
[Mot. rated voltage] (UnS) and [Emergency power supply volt.] (rSU) .
•
If LSP < ( Frs x rSU / UnS ): rSP min. = LSP , rSP max. = ( Frs x rSU / UnS )
•
If LSP ≥ ( Frs x rSU / UnS ): rSP = ( Frs x rSU / UnS )
Parameter that can be modified during operation or when stopped.