 OPERATIONAL
AND SERVICE FEATURES |
| Feature |
Description |
2BC |
 AI-22 |
AI-2200 |
| High
accuracy landing featur (HARL) |
Car
landing level is precisely adjusted according to various conditions.
The result is maximum ±5mm landing accuracy under any condition. |
S |
S |
S |
| Motor
drive mix (MDX) |
Car
acceleration is increased according to car load during peak times
to reduce passengers waiting and travel time. |
- |
O |
O |
| Power-on
releveling (PORL) |
If
a car stops at a door zone due to normal power failure, the
car will relevel to secure the floor level, with the doors open, after
normal power recovery. |
S |
S |
S |
| Safe
landing (SFL) |
If
there is a malfunction and the elevator stops between floors, the
controller performs a diagnostic check before moving the elevator
to the nearest floor. |
S |
S |
S |
| Next
landing (NXL) |
If
the elevator doors cannot open fully at the destination floor for
any reason, the doors will close and the elevator proceed to the next
floor. |
S |
S |
S |
| Continuity
of service (COS) |
A
car experiencing trouble is automatically withdrawn from group operation
to maintain overall group performance. |
S† |
S |
S |
| Automatic
bypass (ABP) |
A
full-loaded car will bypass hall calls in order to assure optimum
operating efficiency. (Optional in case of 1-car 2BC system) |
S |
S |
S |
| Overload
holding stop (OLH) |
The
elevator buzzer rings to indicate the car is overloaded. |
S |
S |
S |
| Automatic
hall call registration (FSAT) |
If
one car cannot carry all waiting passengers because it is full, another
car is automatically assigned for the remaining passengers. |
S |
S |
S |
| Car
call canceling (CCC) |
When
a car responds to the final car call in one direction, the system automatically checks and clears the remaining calls from memory in the other direction. |
S |
S |
S |
| False
call canceling - Automatic(FCC-A) |
If
many car calls of car load are registered, all calls will be canceled to avoid unnecessary service. |
S |
S |
S |
| Car
light/fan shut off - Automatic(CLO-A/CFO-A) |
If
there is no call within a preset time period, the car light/fan is
automatically shut off to conserve energy. |
S |
S |
S |
| Backup
operation for group control microprocessor (GCBK) |
The
backup function minimizes the loss of group
control due to failure of a microprocessor or transmission line. |
S† |
S |
S |
| Car
call erase (FCC-P) |
If
the wrong floor button is pressed, it can be canceled by rapidly pressing
the same button twice. |
S |
S |
S |
| Remote-control
car stop (RCS) |
With
a key switch, a car can be called to a specified floor (on completion
of service) and automatically withdrawn from service. |
O |
O |
O |
| Secret
call service (SCS-B) |
Car
buttons can be locked and accessed only by entering a secret code
on the car operating panel. (During an emergency, service floor selection
is halted.) |
O |
O |
O |
| Non-service
to specific floor - Car button type (NS-CB) |
Service
to specific floors can be suspended by locking floor buttons on the
car operating panel. (During an emergency, service floor selection
is halted.) |
O |
O |
O |
| Non-service
to specific floor - Switch/timer type (NS/NS-T) |
Service
to specific floors can be suspended by a manual or time-clock operated
switch. (During an emergency, service floor selection is halted.) |
O |
O |
O |
| Hall
out-of-service operation (HOS/HOS-T) |
Using
a key switch (installed at a specified floor) or time-clock, a car
can be taken out of service for maintenance or energy-saving. |
O |
O |
O |
| Return
operation (RET) |
A
car can be called to a specified floor for independent use using a
key switch installed on the supervisory panel. |
O |
O |
O |
| Attendant
service (AS) |
Operation
mode is switchable between fully automatic and attendant service using
an override switch in the car operating panel. |
O |
O |
O |
| Independent
service (IND) |
A car can be isolated from group service and used without interruption using the button combination or the override switch in the car operating panel. |
S |
S |
S |
| GROUP
CONTROL FEATURES |
| Feature |
Description |
2BC |
AI-22 |
AI-2200 |
| Expert
system and fuzzy logic |
The
system performs group control using expert knowledge, programmed by
applying the expert system and fuzzy logic, to maximize the effectiveness
of each elevator operation. |
- |
S |
S |
| Psychological
waiting time evaluation |
This
system predicts the psychological waiting time of passengers for each
hall call and allocates cars to minimize it. Moreover, psychological
waiting time evaluation rules are changed automatically according
to actual service conditions. |
- |
S |
S |
| Strategic
overall assignment |
The
system predicts near-future car positions and hall calls. Car assignments
consider current and predicted data.
|
- |
S |
S |
| Car
travel time evaluation |
To
reduce car travel time, each car is allocated to hall calls with consideration
to the number of car calls. |
- |
S |
S |
| Distinction
of traffic flow with neural networks (NN) |
The
system uses neural networks to recognize precise distinctive patterns of traffic
flow in real time. This results in optimizing
the selection and cancellation of operation patterns. |
- |
- |
S |
| Car
allocation tuning (CAT) |
The
system controls the number of cars allocated to or parked on the crowded
floors according to traffic conditions on each floor and car status. |
- |
- |
S |
| Dynamic
rule-set optimizer (DRO) |
Using
neural network technology, the system predicts traffic flow in the
building. The optimal rule-set for group control is selected
through real-time simulations according to the predicted traffic. |
- |
- |
S |
| Destination
oriented prediction system (DOAS-S) |
When
a passenger presses a destination floor button on the hall operating
panel, the service car is immediately indicated next to the destination
floor button.
The system dispatches the cars according to destination floors to
improve traffic efficiency and minimize congestion. (Cannot be combined
with IUP feature.) |
- |
- |
O |
| Peak
traffic control (PTC) |
To
alleviate temporary traffic congestion, cars are automatically assigned
(in preferential order) to floors with the heaviest traffic. |
- |
S |
S |
| Strategic
overall spotting (SOHS) |
Cars
that have finished service are assigned to deploy so that the waiting
time for future passengers is reduced. |
S† |
S |
S |
| Intense
up peak (IUP) |
To
improve traffic efficiency, the elevator bank is divided into two
groups of cars during peak periods to serve upper and lower floors
respectively. (Cannot be combined with DOAS-S feature.) |
- |
- |
O |
| Up
peak service (UPS) |
Controls
timing and distribution of cars assigned to meet traffic demand during
increased upward service. |
- |
O |
O |
| Down
peak service (DPS) |
Controls
timing and distribution of cars assigned to meet traffic demand during
increased downward service. |
- |
O |
O |
| Forced
floor stop (FFS) |
Each
car in the elevator bank will stop at a specified floor on every trip
- without being called. |
O |
O |
O |
| Main
floor parking (MFP) |
An
available car will park at the main floor with the doors open. |
O |
O |
O |
| Energy-saving
operation - Reduction under off-peak (ESO-A) |
Car
controller reduces power consumption for inverter when the elevators
are in standby mode. In addition, during off-peak periods, some car
goes into "sleep mode," monitoring elevator calls to further
reduce energy requirements. |
- |
O# |
S# |
| Energy-saving
operation - Speed control (ESO-V) |
When
traffic conditions reach low enough levels that service will not be
adversely affected, the system reduces elevator speed to conserve
energy. |
- |
O |
O |
| Special
floor priority service (SFPS) |
Provides
priority car service to a specified floor (e.g. VIP rooms) when a
hall call is made at that floor. (Cannot be combined with hall indicator.) |
- |
O# |
O |
| Closest-car
priority service (CNPS) |
Assigns
cars with priority given to the car closest to the hall call button
pressed. (Cannot be combined with hall indicator.) |
- |
O# |
O |
| Light-load
car priority service (UCPS) |
Assigns
cars with priority given to empty or light-load cars in the group
control system during light traffic. (Cannot be combined with hall
indicator.) |
- |
O# |
O |
| Special
car priority service (SCPS) |
Assigns
cars with priority given to special cars (e.g. observation elevator
or elevator with basement service) in the group control system. (Cannot
be combined with hall indicator.) |
- |
O# |
O |
| Congested-floor
service (CFS) |
The
system monitors the degree of traffic density or flow in the building
and automatically assigns cars to the most crowded floors to alleviate
traffic congestion quickly. |
- |
O |
O |
| Bank-separation
operation (BSO) |
The
hall buttons can be divided into groups for independent group control
to serve special needs or different floors. |
- |
O |
O |
| VIP
operation (VIP-S) |
A
specified car can be withdrawn from group service for special or VIP
service. |
- |
O |
O |
| Lunchtime
service (LTS) |
Car
assignment can be adjusted to give priority to canteen or restaurant
floors to accommodate high demand during lunchtime. |
- |
O |
O |
| Main
floor changeover operation (TFS) |
The
designated main floor can be changed by manual switch or time-clock
operation to suit buildings with alternating main floors. |
O |
O |
O |
| DOOR
OPERATION FEATURES |
| Feature |
Description |
2BC |
AI-22 |
AI-2200 |
| Door
sensor self-diagnosis (DODA) |
If
a non-contact door sensor fails, the system will automatically determine
the speed of closing door to maintain the elevator service. |
S |
S |
S |
| Automatic
door speed control (DSAC) |
The
system monitors the actual door load conditions at each floor and
automatically adjusts the door speed and torque accordingly. |
S |
S |
S |
| Automatic
door-open time adjustment (DOT) |
Door
opening times are automatically adjusted to whether the
stop was called from the floor or the car. |
S |
S |
S |
| Reopen
with hall button (ROHB) |
While
the doors are closing, they can be reopened by pressing the hall button. |
S |
S |
S |
| Repeated
door-close (RDC) |
Should
an obstacle prevent the doors from closing, the doors will repeatedly
open and close until the obstacle is removed. |
S |
S |
S |
Extended
door-open button
(DKO-TB) |
This
button in the car keeps the doors open for an extended period to allow
loading of materials, luggage, etc. |
O |
O |
- |
| Door
nudging feature (NDG) |
If
the doors remain open longer than the preset period, voice guidance
alerts passengers that the doors will close. |
S |
S |
S |
| Door
load detector (DLD) |
If
the doors cannot open or close properly, the door direction is reversed.
|
S |
S |
S |
Safety
door edge (SDE)
on both sides |
Sensitive
door edges detect passengers or objects during door closing. (CO &
2CO doors only.) |
S |
S |
S |
| Safety
ray (SR) |
One
or two infrared-light beams cover the full width of the door as it
opens or closes to detect passengers or objects. (Cannot be combined
with multi-beam door sensor.) |
O |
O |
O |
| Ultrasonic
door sensor (USDS) |
Sound
waves are used to scan a 3D area near the open doors to detect passengers
or objects. |
O |
O |
O |
| Electronic
doorman (EDM) |
By
using safety ray or multi-beam door sensor to monitor passengers boarding
and exiting, the door-open time can be minimized. |
O |
O |
O |
| Multi-beam
door sensor |
Multiple
infrared-light beams cover the full height of the doors as they close
to detect passengers or objects. (Cannot be combined with SR feature.) |
O |
O |
O |
| 3D
multi-beam door sensor |
Multiple
infrared-light beams cover the full height of the doors as they close
to detect passengers or objects. The 3D sensor can also monitor the
hall by expanding multiple infrared-light beams. (Cannot be combined
with SR feature.) |
O |
O |
O |
| SIGNAL
AND DISPLAY FEATURES |
| Feature |
Description |
2BC |
AI-22 |
AI-2200 |
| Sonic
car button - Click type (ACB) |
An
electronic beep sounds for the passenger's convenience when a click-type
car button is pressed. |
O |
O |
O |
| Car
arrival chime (AECC/AECH) |
Electronic
chime sounds to indicate the car's arrival. (The chime
is mounted on the top and bottom of the car, or on each floor.) |
O |
O |
S
(each floor) |
| Flashing
hall lantern (FHL) |
Hall
lantern flashes to indicate the car's arrival and its service direction.
|
O |
O |
S |
| Car
graphic panel (CGP) |
Car
graphic panel comprises LCD display and touch panel. The display shows
car position, direction, time, messages, and other information. The
touch panel shows destination buttons and information in graphics
and registers calls with a light touch. |
O# |
O# |
O# |
| Car
information display (CID) |
An
integrated display to indicate preset messages and time, as well as
car position/direction, can be installed on the car operating panel. |
O# |
O# |
O# |
| Hall
information display (HID) |
An
integrated display to indicate preset messages and time, as well as
car arrival with direction or destination floors if using the IUP
feature, can be installed at an elevator entrance. (Details depend
on basic system, specifications, space, etc.) |
O# |
O# |
O# |
| Immediate
prediction indication (AIL) |
Once
a passenger has registered a hall call, the ideal car to respond is
selected, the hall lantern lights and a chime sounds once to indicate
which door will open. |
- |
- |
O |
| Second
car prediction (TCP) |
During
peak hours when the lobby is crowded, while the first car is loading,
the next car to serve that floor will be indicated by illuminated
hall lantern. |
- |
- |
O |
| Attentive
announcement (AAN-B) |
A
synthesized voice instructs passengers in case normal operation is
suspended. (English only) |
S |
S |
S |
| Voice
guidance system (AAN-G) |
A
synthesized voice instructs passengers on the current status, floor
number, etc. (English only) |
O |
O |
O |
| Auxiliary
car operating panel (ACS) |
This
panel is for large-capacity elevators and heavy-traffic elevators
which need extra controls within the car. |
O |
O |
O |
| Interphone
(ITP) |
Intercom
allows passengers to contact building personnel. |
O |
O |
O |
| EMERGENCY
OPERATIONS AND FEATURES |
| Feature |
Description |
2BC |
AI-22 |
AI-2200 |
| Mitsubishi
emergency landing device (MELD) |
In
a power failure, the elevator's own rechargeable battery power moves
the car to the nearest floor. (Applicable when the distance between
floors is less than 10m.) |
O |
O |
O |
| Operation
by emergency power source - Automatic/Manual (OEPS) |
In
a power failure, preset cars are automatically called to a specified
floor in sequence using the building's emergency power source. Once
all cars have arrived at the floor, the designated elevators can operate
normally. |
O |
O |
O |
| Fire
emergency return (FER) |
On
activation of a key switch on the supervisory panel or the building's
fire sensors, all calls are canceled and all cars will immediately
return to a specified rescue floor and park there with doors open. |
O |
O |
O |
| Fireman's
emergency operation (FE) |
During
a fire, when the fireman's switch is activated, all calls are canceled
and the designated car returns immediately to a specified floor. To
facilitate rescue, the car responds only to car calls. |
O |
O |
O |
| Earthquake
emergency return (EER-P/EER-S) |
On
activation of the seismic sensors, all cars will stop promptly at
the next floor and park there with the doors open. |
O |
O |
O |
| Supervisory
panel (WP) |
This
panel monitors elevator operations and controls emergency operations
from the building's control room, etc. Position indicators and direction
lights are also available. |
O |
O |
O |
| Mitsubishi elevator monitoring and control system (MelEye) |
This system uses a personal computer to monitor the elevator operations and conditions, and to provide operation commands if necessary. |
O |
O |
O |
| Emergency
car lighting (ECL) |
Turns
on immediately when power fails, and provides a minimum level of illumination
within the car. |
O |
O |
O |
Design
Room