JPH0741268A - Signal transmission device of elevator - Google Patents

Abstract

PURPOSE:To prevent a fall of service function of an elevator and smoothly bring back the transmission to its normal state, even if abnormality occurs in signal transmission between the group supervisory operation control device of the elevator and the elevator control device. CONSTITUTION:When any abnormality occurs in transmission between a group supervisory operation control device 3 and an elevator control device 5, the output destination of the transmission signals of landing remote stations 9A-9N is changed from the main station 1 of the group supervisory operation control device to the main station 2 of the elevator control device. Further, after the changeover, the timing of changeover of the output destination of the transmission signals of the landing remote stations 9A-9N to the main station 1 is controlled by a transmission passage changeover timing control means 8.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for serially transmitting signals between a group management control device, an elevator control device, hall equipment and car equipment.

[0002]

2. Description of the Related Art FIGS. 7 to 11 show, for example, JP-A-61-19.
It is a figure which shows the signal transmission apparatus of the conventional elevator shown by 4943 gazette, FIG. 7 is a whole block diagram, FIG. 8 is a block diagram of a management transmission processing system for each unit, and FIG. 9 is a configuration of a group management transmission processing system. FIG. 10 is a block diagram of the hall remote station, and FIG. 11 is a block diagram of the car remote station.

In FIG. 7, (1) is a group management control device main station, (2) is an elevator control device main station, (3) is a group management control device for group management of elevators, and (4) is a group management control device. The group management transmission processing system connected to (3), (5) is an elevator control device for controlling each elevator, and (6) is each unit management transmission processing system connected to the elevator control device (5).

(9A) to (9N) are hall remote stations provided at halls on each floor, and (10A) to (10N) are connected to hall remote stations (9A) to (9N) to output hall call signals. The hall buttons, (11A) to (11N) are the hall call registration lights that are also turned on by the hall call registration signal, (12) is the car remote station installed in the car, and (13) is connected to the car remote station (12). , A car call button that outputs a car call signal, and (14) is a car call registration light that is also lit by the car call registration signal.

Reference numeral (15) is a system (6) for managing transmission processing of each unit,
Bus-type transmission lines that connect the hall remote stations (9A) to (9N) and the car remote stations (12) to each other, (16) for the group management transmission processing system (4) and each car management transmission processing Transmission lines consisting of optical fiber cables connecting the systems (6), and (17) to (19) are transmission lines for other units as well.

In FIG. 8, (6A) is a CPU for managing and transmitting each unit, (6B) is a ROM, (6C) is a RAM, (6D) is a 2-port RAM, (6E) is an input port, and (6F) is Output port, (6G) (6
H) is the serial interface and these are the data bus (6
I) are connected to each other. And 2-port RAM (6
Connected to the elevator control unit (5) via D), and the serial interface (6G) is connected to the driver (61) and receiver (6).
The serial interface (6H) is connected to the transmission line (16) via the driver (63) and the receiver (64).

In FIG. 9, (4A) is a CPU for managing and transmitting each unit, (4B) is a ROM, (4C) is a RAM, (4D) is a 2-port RAM, (4E) is an input port, and (4F) is Output port, (4G) ~
(4J) is a serial interface, these are the data bus
Connected to each other at (4K). And 2-port RAM
(4D), connected to the group management control device (3), the serial interface (4G), the driver (41) and receiver (4
2) via transmission line (16) to serial interface (4I)
The transmission line (19) through the driver (45) and receiver (46).
It is connected to the.

The group management transmission processing system (4) is
In this case, it has 4 serial interfaces (4G) to (4J), and at the same time, 4 units for management transmission processing system.
It is possible to perform transmission with (6).

In FIG. 10, (9AA) is a transmission processing CP.
U, (9AB) is a ROM, (9AC) is a RAM, (9AD) is an input port, (9AE) is an output port, (9AF) is a serial interface, and these are mutually connected by a data bus (9AG). . The input port (9AD) and the output port (9AE) have the hall equipment (93) (the hall buttons (10A) to (10N) and hall call registration lights (11A) to (11N) in FIG. 7). ), And the serial interface (9AF) is connected to the transmission line (15) via the driver (91) and the receiver (92). The other hall remote stations (9B) to (9N) have the same configuration.

In FIG. 11, (12A) is a transmission processing CP.
U, (12B) is a ROM, (12C) is a RAM, (12D) is an input port, (12E) is an output port, (12F) is a serial interface, and these are interconnected by a data bus (12G). . And the input port (12D) and the output port (12E) are
It is connected to the car device (123) (which has the car call button (13), the car call registration light (14), etc. in FIG. 7), and the serial interface (12F) connects the driver (121) and the receiver (122). Via a transmission line (15).

The conventional elevator signal transmission device is configured as described above, and the hall call signals output from the hall buttons (10A) to (10N) are transmitted from the hall remote stations (9A) to (10A).
The car call signal input to (9N) and output from the car call button (13) is the car call remote station (12).
And are serially transmitted to the elevator control device main station (2) via the transmission line (15). These signals are serially transmitted to the group management controller main station (1) via the transmission line (16).

The hall call registration signal registered by the group supervisory control unit (3) is sent to the elevator control unit (5) via, for example, the transmission line (16) to control the elevator and at the same time the transmission line (15). ) Via remote station (9A)
~ (9N), (12), landing call registration lights (11A) ~ (11
N), turn on the car call registration light (14).

In this way, in order to reduce the transmission lines required for exchanging signals with the hall equipment (93) and the car equipment (123) on each floor, the elevator controller (5) and the hall equipment (93) ), And between the car devices (123), serial transmission means for serial transmission via the main station (2) and remote stations (9A) to (9N), (12) are installed. For signal transmission between the elevator control device main station (2) and the group management control device main station (1), transmission lines (15) to (19) using optical fiber cables are used to speed up the transmission. There is.

Accordingly, the hall call is assigned, the hall call is registered, and the position indicator provided in the hall device (93) is quickly and finely controlled to improve the function.

[0015]

In the conventional elevator signal transmission device as described above, the elevator control device main station (2) and the hall remote station are used.
(9A) to (9N) and the car remote station (12) are designed to transmit signals in series, so the transmission line (15)
The number of devices can be reduced significantly, and allocation control from the group management control device (3) can be done quickly and finely, but on the other hand, the group management transmission processing system (4) and each unit management transmission processing system
If the transmission during (6) is blocked due to some abnormality, the following problems will occur.

For example, if the group management control unit main station (1) fails, each unit management transmission processing system (6) and hall remote stations (9A) to (9N) immediately.
Transmission between the two is not established (synchronization is lost),
There is a problem that allocation control from the group management control device (3), hall call registration, and position display control of hall equipment (93) cannot be performed. Especially for the position indicator of the hall equipment (93),
While synchronization is not established, phenomena such as flickering occur,
There are problems such as giving off-comers to passengers at the hall.

Further, for example, Japanese Patent Application Laid-Open No. 1-294179 discloses that when a group supervisory control unit fails, the unit control unit takes control of transmission, and thereafter each unit operates as an independent elevator. Has been done. However, there is a problem in that the means for managing elevators other than the failed unit and the means for restoring transmission to and from the group management control device are not clear.

The present invention has been made in order to solve the above problems, and even if an abnormality occurs in the transmission between the group management control device and the elevator control device, it is possible to prevent the deterioration of the elevator service function. It is another object of the present invention to provide an elevator signal transmission device that can smoothly resume transmission with the group supervisory control device.

[0019]

According to a first aspect of the present invention, there is provided an elevator signal transmission device, and an abnormality detection means for detecting an abnormality in transmission between a group management control device and an elevator control device. When the abnormality detecting means operates, the transmission path switching means is provided for switching the output destination of the transmission signal of the hall equipment from the group management control device to the elevator control device.

Further, an elevator signal transmission device according to a second aspect of the invention is provided with the abnormality detection means and the transmission path switching means of the first aspect of the invention, and the destination of the transmission signal of the hall equipment is controlled from the elevator control device to the group management control. The transmission path switching timing control means for controlling the timing of switching to the device is provided.

[0021]

In the first aspect of the present invention, when an abnormality occurs in the transmission between the group management control device and the elevator control device, the output destination of the transmission signal of the hall equipment is switched from the group management control device to the elevator control device. As a result, the relevant elevator is disconnected from the group management and operated independently.

Further, in the second invention, in addition to the first invention, since the output destination of the transmission signal of the hall equipment is controlled from the elevator control device to the group management control device, the control device is controlled. Attempts are made to resume transmission between.

[0023]

1 to 6 are views showing an embodiment of the first invention of the present invention, FIG. 1 is an overall configuration diagram, FIG. 2 is a configuration diagram of a management transmission processing system for each unit, and FIG. 4 to 6 are operation flowcharts of the transmission path switching timing control means, and portions similar to those of the conventional apparatus are denoted by the same reference numerals. 9 to 11 are also used in this embodiment.

In FIG. 1, (6X) is each unit management transmission processing means, (7) is a transmission path switching means for switching an output destination of a transmission signal, and (8) is a transmission path switching means (7) for switching the transmission path. It is a transmission path switching timing control means for controlling the timing. Figure 2
In, (6BA) is a ROM.

Next, the operation of this embodiment will be described. When the transmission between the group management transmission processing system (4) and each unit management transmission processing system (6) is established, the hall call assignment signal is the group management controller main station (1) → transmission line (15) → receiver (64) → serial interface (6H) →
Data is transmitted to the elevator control device (5) via the data bus (6I) → 2-port RAM (6D).

Further, the hall call signal is transmitted from the hall remote stations (9A) to (9N) → transmission line (15) → receiver (62) → serial interface (6G) → data bus (6I) → serial interface (6H) → It is transmitted to the driver (63) → transmission line (16) → group management controller main station (1). Also,
The position display signal of the hall equipment (93) is the elevator control device.
(5) → 2-port RAM (6D) → serial interface (6
G) → driver (61) → transmission line (15) → transmitted to the hall equipment (93) via the hall remote stations (9A) to (9N).

Next, the operation of the transmission line switching means (7) will be described with reference to FIG. The program of this flowchart is stored in the ROM (6BA) of FIG. A. Operation when switching the transmission route from the group management control device (3) to the elevator control device (5) (FIG. 3A) First, in step S1, various registers are initialized. In step S2, the synchronization between the group management transmission processing system (4) and each unit management transmission processing system (6) is detected.

In step S3, the transmission data between the group management transmission processing system (4) and each unit management transmission processing system (6), and each unit management transmission processing system (6) and the hall remote station (9A). )-(9N) transmission data is processed as required. In step S4, when data transmission between the group management transmission processing system (4) and each unit management transmission processing system (6) is established, the flag 1 CAROK is set to "0".
0 ”.

In step S5, the flag 1CARM is set to "0".
If it is "00", it is determined in step S1.
Then, the procedure returns to step S1 to S5. If "FF", the process proceeds to step S11. Flag 1 CARM here
Is "FF" when switching the transmission route from the group management control device (3) to the elevator control device (5) or when continuing data transmission with the elevator control device (5). Conversely, the transmission route is changed to the elevator control device. This is a flag that becomes "00" when attempting a return from (5) to the group management control device (3) or when continuing data transmission with the group management control device (3).

B. Elevator control equipment for transmission path (5)
Operation when switching (returning) from the group management control device (3) (FIG. 3 (B)) In step S11, various registers are initialized. In step S12, the transmission data between the individual vehicle management transmission processing system (6) and the hall remote stations (9A) to (9N) is processed as necessary. In step S13, the system (6) for managing and transmitting each vehicle and the remote station (9A) to (9)
Flag 1 CAR when data transmission between N) is established
OK is set to “FF”.

In step S14, the flag 1CARM is set to "F.
If it is "FF", it is determined in step S1.
Returning to step 2, steps S12 to S14 are repeated. "0
If "0", the process proceeds to step S15, and flag 1CARO
It is determined whether K is "FF", and if "FF", the process returns to step S12 and steps S12 to S15 are repeated. If "00", the process returns to step S1. Here, the flag 1 CAROK indicates that the transmission path is an elevator control device.
When switching from (5) to the group management control device (3), this flag is "00" when switching is permitted and "FF" when switching is not possible.

Next, transmission line switching timing control means (8)
The operation will be described with reference to FIGS. 4 and 5
The program of the flowchart is the elevator controller
It is stored in the ROM (5) (not shown). The program of the flowchart of FIG. 6 is stored in the ROM (6BA) of FIG.

A. Operation when data transmission is established between the group management transmission processing system (4) and each unit management transmission processing system (6) (FIG. 4) In step S21, the group management transmission processing system (4) Is normal, and if normal, step S22
If it is abnormal, the process proceeds to step S25. Each unit management transmission processing system (6) inputs the transmission data from the group management transmission processing system (4) and checks whether a transmission error (parity error, framing error or over error) has occurred. The result is then sent to the elevator controller via the 2-port RAM (6D) shown in FIG.
Transmit to (5). In the elevator control device (5), the group management transmission processing system is based on the transmitted results.
Determine whether (4) is normal.

In step S22, it is determined whether the group supervisory control device (3) is normal. If normal, the process proceeds to step S23, and if abnormal, the process proceeds to step S25. The group management transmission processing system (4) monitors the group management control device (3), and the result is input to each unit management transmission processing system (6) through the transmission line (16). It is transmitted to the elevator control device (5) via the port RAM (6D). In the elevator control device (5), from the result that has been transmitted,
When data transmission from the group management control device (3) to the group management transmission processing system (4) via the 2-port RAM (6D) is not performed for a predetermined time (when data writing is not performed), it is determined to be abnormal. To do.

In step S23, the sum of the transmission data transmitted to the elevator control device (5) via the 2-port RAM (6D) is checked to determine whether it is normal.
If normal, the process proceeds to step S24, and if abnormal, the process proceeds to step S25. Flag 1 in step S24
Set CARM to "00". In other words, it means that the transmission between the group management transmission processing system (4) and each unit management transmission processing system (6) is continued without any abnormality. In step S25, the flag 1CARM is set to "FF".
To In other words, there is some abnormality in the transmission between the group management transmission processing system (4) and each unit management transmission processing system (6), and the transmission path is set to each unit management transmission processing system.
(6) Means to issue a request to switch to the side.

B. Transmission route is group management Transmission processing system
Operation when switching from (4) side to each vehicle management transmission processing system (6) side (FIG. 5) In step S31, it is determined whether the elevator is stopped.
If the vehicle is stopped, the process proceeds to step S32, and if the vehicle is traveling, the process proceeds to step S33. In step S32, it is determined whether the door of the elevator is completely opened. If the door is completely opened, the process proceeds to step S34, and if it is not completely opened, the process proceeds to step S33. In step S33, it is determined whether one minute has elapsed. If yes, the process proceeds to step S34, and if not, the process proceeds to step S35.

In step S34, the flag 1CARM is set to "0".
0 ”. In other words, this means issuing a request to switch the transmission path from the system for managing transmission processing (6) to the group managing transmission processing system (4) (try to restore synchronization). In step S35, the flag 1CARM is set to "FF". In other words, the transmission path is controlled by each system
It means to continue to the (6) side.

C. Transmission route is group management Transmission processing system
Operation when switching from (4) side to each unit management transmission processing system (6) side (Fig. 6) In step S41, is there any input of transmission data from the group management transmission processing system (4)? To judge. When there is transmission data, the process proceeds to step S42, and when there is no input, the process proceeds to step S43. Flag 1CAR in step S42
Set OK to "00". That is, it means that the transmission path is continued to the system (6) for managing transmission processing for each unit. In step S43, the flag 1 CAROK is set to "00". In other words, the transmission path is controlled by each system
Allow switching from the (6) side to the group management transmission processing system (4) side.

In this way, the transmission between the group management transmission processing system (4) and each unit management transmission processing system (6) is not established, and the transmission path is from the group management transmission processing system (4) side. The transmission path of each signal when switching to the system (6) for managing and processing each unit is as follows.

That is, the hall call assignment signal is not output. In addition, the hall call signal is sent from the hall remote stations (9A) to (9N) → transmission line (15) → receiver (62) → serial interface (6G) → data bus (6I) → 2-port RAM (6
It is transmitted to the elevator control device (5) via D). The position display signal of the hall equipment (93) is the elevator control device (5) → 2 port RAM (6D) → serial interface (6G) → driver (61) → transmission line (15) → hall remote station (9A). ~ (9N) to the hall equipment (93).

It should be noted that, except for the elevator whose transmission path is switched from the group management control device (3) to the elevator control device (5) due to a transmission abnormality, the group management control device remains unchanged.
It is clear that the management under (3) will be continued.

[0042]

As described above, according to the first aspect of the present invention, when an abnormality occurs in the transmission between the group management control device and the elevator control device, the output destination of the transmission signal of the hall equipment is changed from the group management control device. Since the elevator is switched to the elevator control device, the elevator concerned is disconnected from the group management and is operated independently, so that there is an effect that the deterioration of the service function of the elevator can be prevented.

In the second aspect of the invention, after the switching as described above, the output destination of the transmission signal of the hall equipment is controlled from the elevator control device to the group management control device. An attempt is made to restore transmission between the devices. In other words, during transition of transmission path switching, there is a problem such as flickering of the position indicator in the hall due to lack of synchronization.
Since switching is attempted only when there is a high possibility that synchronization will be established, the number of times the position indicator flickers can be suppressed as much as possible, which has the effect of reducing the discomfort of waiting passengers.

[Brief description of drawings]

FIG. 1 is an overall configuration diagram showing an embodiment of the present invention.

FIG. 2 is a configuration diagram of each unit management transmission processing system of FIG.

FIG. 3 is an operation flowchart of the transmission line switching means of FIG.

FIG. 4 is an operation flowchart of the transmission path switching timing control means of FIG.

5 is an operation flowchart of the transmission path switching timing control means of FIG.

FIG. 6 is an operation flowchart of the transmission path switching timing control means of FIG.

FIG. 7 is an overall configuration diagram showing a conventional elevator signal transmission device.

FIG. 8 is a configuration diagram of each unit management transmission processing system of FIG. 7.

9 is a block diagram of the group management transmission processing system of FIG.

FIG. 10 is a block diagram of the hall remote station of FIG. 7.

11 is a block diagram of the car remote station of FIG. 7. FIG.

[Explanation of symbols]

 1 group management control device main station 2 elevator control device main station 3 group management control device 4 group management transmission processing system 5 elevator control device 6 each unit management transmission processing system 7 transmission path switching means 8 transmission path switching timing control means 9A-9N Hall remote station 12 Car remote station 15-19 Transmission line 93 Hall equipment 123 Car equipment

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[Procedure amendment]

[Submission date] October 15, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0007

[Correction method] Change

[Correction content]

In FIG. 9, (4A) is a group management transmission processing C
PU, (4B) ROM, (4C) RAM, (4D) 2 port R
AM, (4E) is an input port, (4F) is an output port, (4G) to (4
J) is a serial interface, these are data buses (4
K) are connected to each other. And 2 port RAM (4
D) is connected to the group management control device (3), the serial interface (4G), the driver (41) and the receiver (42)
To the transmission line (16) via the serial interface (4I)
The transmission line (19) through the driver (45) and receiver (46).
It is connected to the.

[Procedure Amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0013

[Correction method] Change

[Correction content]

In this way, in order to reduce the transmission lines required for exchanging signals with the hall equipment (93) and the car equipment (123) on each floor, the elevator controller (5) and the hall equipment (93) ), And between the car devices (123), serial transmission means for serial transmission via the main station (2) and remote stations (9A) to (9N), (12) are installed. For signal transmission between the elevator control device main station (2) and the group management control device main station (1), transmission lines (16) to (19) using optical fiber cables are used to speed up the transmission. There is.

[Procedure 3]

[Document name to be amended] Statement

[Name of item to be corrected] 0025

[Correction method] Change

[Correction content]

Next, the operation of this embodiment will be described. When the transmission between the group management transmission processing system (4) and each unit management transmission processing system (6) is established, the hall call assignment signal is the group management controller main station (1) → transmission line (16) → receiver (64) → serial interface (6H) →
Data is transmitted to the elevator control device (5) via the data bus (6I) → 2-port RAM (6D).

[Procedure amendment 4]

[Document name to be amended] Statement

[Name of item to be corrected] 0029

[Correction method] Change

[Correction content]

In step S5, the flag 1CARM is set to "0".
If it is "00", it is determined in step S2.
Return to step S2 to S5 are repeated. If "FF", the process proceeds to step S11. Flag 1 CARM here
Is "FF" when switching the transmission route from the group management control device (3) to the elevator control device (5) or when continuing data transmission with the elevator control device (5). Conversely, the transmission route is changed to the elevator control device. This is a flag that becomes "00" when attempting a return from (5) to the group management control device (3) or when continuing data transmission with the group management control device (3).

[Procedure Amendment 5]

[Document name to be amended] Statement

[Correction target item name] 0031

[Correction method] Change

[Correction content]

In step S14, the flag 1CARM is set to "F.
If it is "FF", it is determined in step S1.
Returning to step 2, steps S12 to S14 are repeated. "0
If "0", the process proceeds to step S15, and flag 1C HG O
It is determined whether K is "FF", and if "FF", the process returns to step S12 and steps S12 to S15 are repeated. If "00", the process returns to step S1. Here, the flag 1C HG OK indicates that the transmission path is an elevator control device.
When switching from (5) to the group management control device (3), this flag is "00" when switching is permitted and "FF" when switching is not possible.

[Procedure correction 6]

[Document name to be amended] Statement

[Correction target item name] 0034

[Correction method] Change

[Correction content]

In step S22, it is determined whether the group supervisory control device (3) is normal. If normal, the process proceeds to step S23, and if abnormal, the process proceeds to step S25. The group management transmission processing system (4) monitors the group management control device (3), and the result is input to each unit management transmission processing system (6) through the transmission line (16). It is transmitted to the elevator control device (5) via the port RAM (6D). In the elevator control device (5), from the result that has been transmitted,
When data transmission via the 2-port RAM (4D ) from the group management control device (3) to the group management transmission processing system (4) has not been performed for a predetermined time (when data writing is not performed), it is determined to be abnormal. To do.

[Procedure Amendment 7]

[Document name to be amended] Statement

[Correction target item name] 0036

[Correction method] Change

[Correction content]

B. Transmission route is group management Transmission processing system
Operation when switching from (4) side to each vehicle management transmission processing system (6) side (FIG. 5) In step S31, it is determined whether the elevator is stopped.
If the vehicle is stopped, the process proceeds to step S32, and if the vehicle is traveling, the process proceeds to step S35 . In step S32, it is determined whether the door of the elevator is completely opened. If the door is completely opened, the process proceeds to step S34, and if it is not completely opened, the process proceeds to step S33. In step S33, it is determined whether one minute has elapsed. If yes, the process proceeds to step S34, and if not, the process proceeds to step S35.

[Procedure Amendment 8]

[Document name to be amended] Statement

[Correction target item name] 0038

[Correction method] Change

[Correction content]

C. Transmission route is group management Transmission processing system
Operation when switching from (4) side to each unit management transmission processing system (6) side (Fig. 6) In step S41, is there any input of transmission data from the group management transmission processing system (4)? To judge. When there is transmission data, the process proceeds to step S42, and when there is no input, the process proceeds to step S43. Flag 1C HG in step S42
Set OK to "00". In other words, the transmission path is controlled from the management transmission processing system (6) side for each group to the group transmission processing system.
(4) Allow switching to the side . In step S43, the flag 1C HG OK is set to "FF" . In other words, it is possible to continue the transmission path to the system (6) for managing transmission processing for each unit .
Means and .

[Procedure Amendment 9]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 5

[Correction method] Change

[Correction content]

[Figure 5]

Claims (2)

[Claims] 1. A device for serially transmitting a signal between a group management control device, an elevator control device, a hall device, and a car device detects that an error has occurred in the transmission between the group management control device and the elevator control device. Of the elevator, which is provided with an abnormality detecting means and a transmission path switching means for switching the output destination of the transmission signal of the hall equipment from the group management control device to the elevator control device when the abnormality detection means operates. Signal transmission equipment. 2. In a device for serially transmitting a signal between a group management control device, an elevator control device, a hall device and a car device, it is detected that an error has occurred in the transmission between the group management control device and the elevator control device. Abnormality detecting means, transmission path switching means for switching the output destination of the transmission signal of the hall equipment from the group management control device to the elevator control device when the abnormality detection means operates, and the output destination of the transmission signal of the hall equipment. A signal transmission device for an elevator, comprising: a transmission path switching timing control means for controlling the timing of switching from the elevator control device to the group management control device.