VVVF drive——Motor rotating speed can be precisely adjusted to get smooth speed curve in elevator start,travel and stop and gain the sound comfort.
VVVF door operator——Motor rotating speed can be precisely adjusted to get the more gentle and sensitive door machine start/stop.
Independent running——The elevator can not respond to outer calling,but only respond to the command inside the car through the action switch.
Automatic pass without stop——When the car is crowded with the passengers or the load is close to preset value,the car will automatically pass the calling landing in order to keep maximum travel efficiency.
Automatically adjust door opening time——Door-open time can be automatically adjusted according to the difference between landing calling or car calling.
Reopen with hall call——In the door shutting process,press reopen with hall call button can restart the door.
Express door closing——When the elevator stops and opens the door,press door-shut button,the door will be closed immediately.
Car stops and door open ——The elevator decelerates and levels,the door only opens after the elevator comes to a complete stop.
Car arrival gong——Arrival gong in the car top announces that the passengers arrive.
Direct parking——It completely accords with distance principle with no crawing in the leveling. It greatly enhances the travel efficiency.
Photocell protection——In the door open and shut period. infrared light that covers the whole door height is used to probe the door protection device of both the passengers and objects.
Designated stop——If the elevator can not open the door in the destination floor out of some reason,the elevator will close the door and travel to the next designated floor.
Overload holding stop——When the car is overload,the buzzer rings and stops the elevator in the same floor.
Anti-stall timer protection——The elevator stops operation due to slippery traction wire rope.
Start protection control——If the elevator does not leave door zone with in the designated time after it gets started,it will stop the operation.
Inspection operation——When the elevator enters into inspection operation,the car travels at inching running.
Fault self-diagnosis——The controller can record 62 latest troubles so as to quickly remove the trouble and restore the elevator operation.
Repeated door closing——If the elevator can not close the door due to certain obstacle or interference,the elevator will reopen or re-shut the door until sundries are eliminated.
Up/down over-run and final limit protection——The device can effectively prevent from the elevator's surging to the top or knocking the bottom when it is out of control.It results in more safe and reliable elevator travel.
Down over-speed protection device——When the elevator downs 1.3 times higher than the rated speed,this device will automatically cut off control mains,stop the motor running.safety tongs act to force the elevator stop in order to ensure the safety.
Upward over-speed protection device——When the elevator up speed is 1.3 times higher than rated speed,the device will automatically decelerate or brake the elevator.
Inching running——When the elevator enters into emergency electric operation,the car travels at low speed inching running.
Five way intercom——Commununication amid car,car top,elevator machine room,well pit and rescue duty room through walkie-talkie.
Bell——In emergency conditions.if bell button above car operation panel is continuously pressed.electric bell rings on top of the car.
Fire emergency return——If you start key switch in main landing or monitor screen,all the callings will be cancelled.The elevator directly and immediately drives to the designated rescue landing and automatically opens the door.