ADL500 • Quick installation guide - Specifications and connection 49
7.9.5 Connection diagram for emergency maneuver (for synchronous motor only)
Emergency maneuver with operator present. This function allows the car to move when there is a power failure in order
• This maneuver can be performed only when the drive is in emergency mode, which the control card indicates with
• Only for gearless applications (with synchronous motors).
• Brake release src button on the
Brake release src (PAR 11820).
• When the button is pushed the inverter opens the brake contactor via the Brake Contactor Relay output.
• The operator then pushes the button to move the car.
• With parameter 11822 Em max speed (Emergency manual max. speed) you can set maximum car (or motor)
speed during this maneuver. The speed can be expressed in m/s (for the car) or in rpm (for the motor).
•
11824 Brake lock time, disabling use of the button (which will not release the brake even if pushed).
• As soon as emergency manual maneuver is resumed, the display (both optional and built-in) automatically shows
the current car speed (or motor speed if set in rpm) and direction (Fwd or rev).
• This maneuver must be disabled in case of inspection.
The car will move (Brake Contactor = Open) only in the following conditions:
• Emergency Mode: ON (Contactor Closed)
• Brake release src: ON (Contactor Closed)
• Emergency Manual V: < Em max speed
• Contactor Lock Time = 0
Figure 7.9.9: Diagram of main emergency maneuver
ADL550
Digital input X
Digital input Y
Brake Contactor
Control
Card
Emergency Mode
Brake Release Sel
Brake Release Sel
Button
Motor Brake
Contactor BR
Elevator Control Panel