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- VVVF drive- Motor rotating speed can be precisely adjusted to
get smooth speed curve in lift 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 - Inspection operation-
When the lift enters into inspection operation, the
car travels at 0.25m/s inching running. - Inching running- When the lift enters into emergency condition, the
car travels at 0.25m/s inching running. - Independent running-
According to users’ requirement, the lift will not
respond to outer calling, but only inner command - Self-help slow run-
When the elevator is in a state of non-repair, and
not in the leveling floor. In this case if meet the
safety requirements, the lift will automatically slow
run to the leveling floor area, open the doors off. - Power on releveling-
Car stop between two floors because of power cut
or power failure, when power recovery, car will run
to nearest leveling floor. - Arrive auto open-
Elevator slow down to leveling, auto open - Express door Closing- When the lift stops and opens the door, press door
- Control of door open time-
After the lift arrive and automatic open, self-closing
delay some time. Such as when no call signal stops
the layer registration delay of 2.5 seconds, and if
the call signal delay 4 seconds. This delay can be
set in the parameters. - Reopen with hall call-
In the door shutting process, pressing the hall call
button can reopen the door. - Door re-opening – During normal door closing, when car button that
indicates the direction consistent to current running
direction is pressed in hall, door will be re-opened - Door opening prohibition outside door zone-
For safety, door opening is disable outside door
zone. - Emergency car lighting-
Emergency car lighting automatically activated
once power failure. - Attendant bypass function-
In the attendant driving conditions, panic button is
pressed straight ahead, the elevator will not answer
an outside call signal. - Full-load bypass-
When load in car reaches preset full load. Namely
elevator enters full-load bypass, elevator will no
longer respond to hall call, but directly reach
designated floor in response to command. - Overload stop – When the car is overload, the buzzer rings and the
lift remains at rest in the same floor. - Direct parking – According to distance principle completely, the car
can directly level without crawling, lt greatly
enhances the operation efficiency. - Stop in another door-
If the elevator continued to open the door 10
seconds later, open limit donĄŻt run, elevator
becomes closed state, after the door closed, will
response to next call and instruction.
- Car arrival gong – Arrival gong in the car top announces passengers
the car’s arrival. - Car ventilation, light automatic shut off-
If there is no calling or command signal within the
stipulated time, the car fan and lighting will be
automatically closed in order to save the energy. - Photocell protection-
In the door open and shut period, the door
protection device of infrared ray that covers the
whole door height is used to probe both the
passengers and objects. - Fire alarm – In emergency conditions, if bell Button on car
operation panel is continuously pressed, electric
bell rings on top of the car. - Fire emergency return-
If you start emergency switch in main landing, all
the callings will be cancelled. The lift directly and
immediately drives to the designated rescue
landing and automatically opens the door. - Automatic return to base floor-
In low traffic flow, the car which has no call will
return to the main floor, shut the door and keep
waiting automatically. - Five way intercom-
Communication amid car, car top, lift machine
room, well pit and rescue duty room through walkie-talkie. - Floor and direction indicator-
The car shows the lift floor location and current
travel direction. - Floor and direction indicator in hall-
The landing shows the lift floor location and current
travel direction. - When reversed, Automatic cancel instruction-
When the elevator reaches the farthest landing, all
instruction direction registration canceled. - Over-leveling and limit protection device-
The device can be effectively prevented the
elevator hit the top or bottom when the elevator
runaway, make the elevator more secure. - Remote shutdown-
Via the key switch, the elevator can be summoned
to the base station (after completion of the service) - Start protection control-
If the lift does not leave door zone within the
designated time after it gets started, it gets started,
it will stop the operation. - Anti-stall timer protection-
The lift stops operation due to slippery traction wire
rope. - Down over speed protection-
When the lift downs 1.2 times higher than the rated
speed, this device will automatically cut off control
mains, the motor running so as to atop lift down at
over-speed. If the lift continues to down at over speed, and the speed is 1.4 times higher than rated
speed, safety tongs act to force the lift stop in order
to ensure the safety. - Fault self-diagnosis record-
With the help of this record function, faults can be
restored rapidly so that the lift can remove in a
short time. - Anti-skid protection-
The system detects the skid of ropes, then the car
will stop running, until the CPU is reset to return to
normal operation. - Anti-slip protection-
When the system detects the elevator shut down,
for 3 consecutive seconds feedback pulse
generator, it is determined that slip occurs elevator
car, the car will stop all running and before the CPU
is reset, the elevator has inoperable. - Governor fault protection-
Once system receive the fault signal of governor
emergency stop, until the CPU is reset and return
to normal operation. - Main control CPU WDT protection-
WDT protection is provided on main control board.
When fault of CUP or program is detected, WDT
circuit will forcibly disconnect main controller output
point and reset CPU. - Blackout manual Rescue –
When the elevator suddenly power failure or other
reasons to stop in the non-leveling area, elevator
operator can go to the machine room, manual
operate wheels by operations manual, make the
elevator to the nearest level, release with a
triangular key.
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