Chapter 7: Special functions
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7. SPECIAL FUNCTIONS
7.1 Rescue operation
The rescue operation enables the inverter (during undervoltage situation) to move the elevator
cage to the nearest floor. The rescue is done by means of a UPS power supply.
Requirements for rescue operation:
•
The
BATRY
function (63) must be assigned to any digital input terminal. From factory
setting this function is set in terminal X5.
•
An AC voltage must be supplied from the UPS to the main circuit (R-T). The voltage
level will differ depending on the operation speed, load, motor and type of instalation.
•
The
BATRY
function must be turned on.
The UPS will be connected as follow:
Figure 7.1 Basic Wiring Diagram
This is only a schematic drawing. This is for information only and without responsibility.
The start of rescue operation, enable signal activation and contactors control is handled
by the lift controller and is not in the range of the responsibility of the inverter.
Specifications of rescue operation:
•
The inverter can run the elevator starting from the voltage level specified in o80.
•
The RDY (“Inverter ready to run” signal) is forced to OFF.
•
During rescue operation, the inverter runs the elevator at the speed specified by
C19
•
In rescue operation, the acceleration/deceleration time are specified by E11. The
S-curves during acceleration/deceleration are disabled.
