JPH0541881A - Elevator monitor controller - Google Patents

Abstract

PURPOSE:To realize the elevator monitor controller in which the number of signal lines is reduced and each function at a fault is prevented from being out of order with simple configuration. CONSTITUTION:The data is sent between a group management section 4 and a central processing unit 2 via prescribed board control sections 5a-5d and the data of the group management section 4 and the data of each of board control sections 5a-5d are sent while being multiplexed and when a fault takes place in communication cables 14a-14d between the group management section 4 and the board control sections 5a-5d, the data is sent through the other sound communication cables 14a-14d.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator monitor control device, and more particularly to an elevator monitor control device for centrally monitoring and controlling the operation of a plurality of elevators.

[0002]

2. Description of the Related Art Conventionally, when a plurality of elevators are installed in one building, an elevator monitoring control device capable of centrally monitoring and controlling the ascending / descending operation of each elevator is installed in a manager's room. There is. Recently, CR is displayed on these displays.
T indicators are being used. As described above, when the CRT display is used in the elevator monitoring control device, the external shape of the device can be downsized and the number of signal transmission lines with the elevator can be reduced.

FIG. 7 is a block diagram showing a conventional elevator monitoring control apparatus, and shows a case where there are four elevators and one bank.

In the figure, 1 is a CRT display and 2 is a CR
Central processing unit directly connected to the T-display 1, 3a to 3d are key switches for controlling each elevator, 4 is a group managing unit for managing each elevator in groups, and 5a to 5d are each units for individually controlling each elevator. A control unit 6 is a communication cable for transmitting multiple signals between the central processing unit 2 and the group management unit 4, and 7a to 7d.
Indicates signals from the respective key switches 3a to 3d to the respective control units 5a to 5a.
5d is a signal line for each transmission, 8 is a communication cable for signal transmission between the CRT display unit 1 and the central processing unit 2, and 9 is a signal transmission between each unit control unit 5a to 5d and the group management unit 4. Communication cable, 10 is an operation panel, 11 is an administrator room in which the operation panel 10 and the central processing unit 2 are installed, and 12 is an elevator machine room.

Next, the operation of the elevator supervisory control device thus constructed will be described. The operating status of each elevator is
It is collected in the group management unit 4 from each of the control units 5a to 5d via the communication cable 9. Then, the group management unit 4 multiplexes the data of all elevators and transmits the multiplexed data to the central processing unit 2 via the communication cable 6. After the predetermined arithmetic processing and the like are performed in the central processing unit 2, the processing result and the like are displayed on the display screen of the CRT display 1 via the communication cable 8. On the other hand, the control command of each elevator is directly connected to each car controller 5a-5d via each signal line 7a-7d.
~ 3d.

[0006]

In the conventional elevator monitoring and controlling apparatus as described above, when the number of elevator control items increases, the key switches 3a to 3d and the respective control units 5a to 5a.
The number of signal lines 7a to 7d connecting to 5d has also increased, and the operation panel 10 has been increased in size and piping, wiring, and the like have also increased. For this reason, an extremely complicated elevator monitoring and control device has been unavoidable.

Further, if all the functions of the key switches 3a to 3d are incorporated into the CRT display 1, there is a fear that all the functions may be disabled if the communication cables 6 and 9 are broken. .. For this reason, various backup measures have been taken by assuming a failure and duplicating the communication system. As this type of conventional elevator monitoring control device,
JP 62-180636 A, JP 63-13259 A
There are techniques disclosed in Japanese Patent Laid-Open No. 7-59997 and Japanese Patent Laid-Open No. 2-59997, but each of them has a complicated configuration.

[0008] Therefore, an object of the present invention is to provide an elevator monitoring and controlling apparatus which can reduce the number of signal lines and can prevent each function from becoming unusable at the time of a failure with a simple structure.

[0009]

According to a first aspect of the present invention, there is provided an elevator supervisory control apparatus for transmitting data between a group management section and a central processing section via a predetermined unit control section. And a second transmission unit for multiplexing and transmitting the data of the group management unit and the data of the respective unit control units.

According to a second aspect of the present invention, there is provided an elevator supervisory control apparatus, wherein first transmission means for transmitting data between a predetermined control unit having a group management function and a central processing unit, and each control unit. And a central processing unit, when a communication abnormality occurs, through a predetermined each unit control unit having the group management function, a second transmission means for multiplexing and transmitting data. is there.

In the elevator monitoring controller according to the third aspect of the present invention, the data transmission between the group management unit and the central processing unit and the data transmission between each unit control unit and the central processing unit are performed via different routes. When a communication error occurs between the first transmission means, each unit control unit and the central processing unit, the data of each unit control unit is multiplexed via the group management unit with the data of the group management unit. And second transmission means for transmitting the transmission.

An elevator monitoring control apparatus according to a fourth aspect of the present invention includes a first transmission means for transmitting data between the group management unit and the central processing unit via each unit control unit, and the group management unit. It is provided with a second transmission means for multiplexing and transmitting the data and the data of each unit control section, and a mechanical operation means for elevator control provided in addition to the central processing section.

[0013]

In the elevator supervisory control apparatus according to the invention of claim 1, data transmission between the group management unit and the central processing unit is performed via each predetermined unit control unit, and the data of the group management unit and Since the data of each unit control unit is multiplexed and transmitted, even if an abnormality occurs in the communication cable between the central processing unit and each unit control unit, it bypasses other normal communication cables. Then, data can be transmitted.

In the elevator supervisory control device according to the present invention, the group control data is transmitted between the predetermined unit control section having the group control function and the central processing section, and
When a communication abnormality occurs between each unit control unit and the central processing unit, the data is multiplexed and transmitted via each predetermined unit control unit having the group management function.
Even when a communication error occurs between each unit control unit and the central processing unit, each unit control unit performs the group management function and data can be transmitted.

In the elevator supervisory control apparatus according to the third aspect of the present invention, data transmission between the group management unit and the central processing unit and data transmission between the individual vehicle control unit and the central processing unit are performed via different routes. At the same time, when a communication error occurs between each unit control unit and the central processing unit, the data of each unit control unit is transmitted via the group management unit by being multiplexed with the data of the group management unit. Therefore, even if an abnormality occurs in a communication cable or the like between the central processing unit and each unit control unit, data can be transmitted by bypassing another normal communication cable.

In the elevator supervisory control device according to the invention of claim 4, data is transmitted between the group management unit and the central processing unit via each unit control unit, and the data of the group management unit and each unit are connected. The data of the control unit is multiplexed and transmitted, and since the mechanical operation means for elevator control is provided in addition to the central processing unit, even if an abnormality occurs in the central processing unit, mechanical A control signal can be input using the operating means.

[0017]

Embodiments of the present invention will be described below.

<First Embodiment> FIG. 1 is a block diagram showing an elevator monitoring control apparatus according to a first embodiment of the present invention, showing a case where four elevators and one bank are provided. In the figure, the same reference numerals and symbols as those of the above-mentioned conventional example indicate the same or corresponding components as those of the above-mentioned conventional example.

In the figure, 13 is a keyboard for control commands, and 14a to 14d are central processing units 2 and respective control units 5a to 5a.
It is a communication cable for signal transmission to and from 5d.

In the elevator monitoring control device having this structure,
The data of the group management unit 4 is sent to each unit control unit 5a to 5d via the communication cable 9. Each of the control units 5a to 5d multiplexes its own unique data and the data from the group management unit 4, and the multiplexed data is transmitted to the communication cables 14a to 14c.
It is transmitted to the central processing unit 2 via d. On the other hand, the data input from the keyboard 13 is sent from the central processing unit 2 to the respective control units 5a to 5d via the communication cables 14a to 14d. Each of the control units 5a to 5d separates the data for itself and the data for the group management unit 4 and transmits only the data for the group management unit 4 to the group management unit 4 via the communication cable 9.
It is not necessary to send the data for the group management unit 4 to all the unit control units 5a to 5d, and any one unit control unit 5a to 5d.
It may be transmitted via d.

When an abnormality occurs in the communication between each of the control units 5a to 5d and the central processing unit 2 (the abnormality of this communication can be detected by performing a mutual healthy check), for example, four communication lines When one communication cable 14a among the cables 14a to 14d is broken and the communication between the respective control units 5a and the central processing unit 2 is abnormal, the communication cable 14a having the abnormality is generated. The data that has been transmitted via each of the units is once transmitted to each unit control unit 5b via another communication cable 14b. The individual unit control unit 5b separates the data for self, the data for the unit management unit 4, and the data for each unit control unit 5a related to the communication abnormality, and the group management unit 4 is controlled by the group management unit 4 via the communication cable 9. 4 and the data for each unit controller 5a are transmitted to each unit controller 5a. On the contrary, the data of each unit control unit 5a is sent to each unit control unit 5b via the communication cable 9 and then to the central processing unit 2 via the communication cable 14b.

As described above, the elevator supervisory control device of this embodiment performs the first transmission for transmitting data between the group management unit 4 and the central processing unit 2 via the predetermined unit control units 5a to 5d. And a second transmission means for multiplexing and transmitting the data of the group management unit 4 and the data of the respective unit control units 5a to 5d.

That is, the elevator supervisory control apparatus of this embodiment performs data transmission between the group management unit 4 and the central processing unit 2 via the predetermined unit control units 5a to 5d, and at the same time, the group management unit. The data of No. 4 and the data of the respective control units 5a to 5d are multiplexed and transmitted.

Therefore, the data of the group management unit 4 is multiplexed with the data of the respective unit control units 5a to 5d by the predetermined unit control units 5a to 5d and transmitted to the central processing unit 2. Further, the multiplexed data of the central processing unit 2 is separated by the predetermined unit control units 5a to 5d and transmitted to the group management unit 4 and the unit control units 5a to 5d. When an abnormality occurs in the communication cables 14a to 14d between the central processing unit 2 and the respective control units 5a to 5d, data transmission is performed by bypassing the other normal communication cables 14a to 14d. it can. Therefore, the number of signal lines is reduced, the entire device has a simple structure, and even if the communication cable is broken, all the functions are not disabled. As a result, the elevator monitoring and control device has a simple structure and high reliability.

<Second Embodiment> FIG. 2 is a block diagram showing an elevator supervisory control apparatus according to a second embodiment of the present invention, showing a case where there are four elevators and one bank. In the figure, the same reference numerals and symbols as those of the above-mentioned conventional example and the first embodiment indicate the same or corresponding components as those of the above-mentioned conventional example and the first embodiment.

In the figure, 5a to 5d are respective car control units for individually controlling the respective elevators, and one of these car control units 5a to 5d also has the function of the group management unit 4. For example, when each unit control unit 5a has a group management function, each unit control unit 5a sends data for each unit control unit 5a and group management data to the central processing unit 2 via the communication cable 14a. Are multiplexed and transmitted. At this time, if an abnormality occurs in the communication between each of the control units 5a to 5d and the central processing unit 2, for example, one of the four communication cables 14a to 14d has a disconnection or the like. When an abnormality occurs in the communication between each unit control unit 5d and the central processing unit 2, the data of each unit control unit 5d is sent to each unit control unit 5a via the communication cable 9, and thereafter, Communication cable 1
It is sent to the central processing unit 2 via 4a. Further, the data transmitted via the communication cable 14d in which the abnormality has occurred is once transmitted to each unit control unit 5a via the other communication cable 14a, where the self data, the group management data,
Separated from the data for each unit control unit 5d, the communication cable 9
The data for each unit control unit 5d is transmitted to each unit control unit 5d via the.

As described above, the elevator supervisory control device of this embodiment is provided with a predetermined unit controller 5a to 5c having a group management function.
5d and the central processing unit 2, the first group of transmission means for transmitting data, when the communication abnormality occurs between each of the unit control unit 5a-5d and the central processing unit 2, the group management function A second transmission unit for multiplexing and transmitting data is provided via the respective predetermined unit control units 5a to 5d.

That is, in the elevator monitoring control apparatus of the present embodiment, the group control data is transmitted between the predetermined unit control units 5a to 5d having the group management function and the central processing unit 2, and the individual unit control is performed. When a communication abnormality occurs between the units 5a to 5d and the central processing unit 2, the data is multiplexed and transmitted via the predetermined unit control units 5a to 5d having the group management function. ..

Therefore, the group management data is sent to each unit control unit 5a by a predetermined unit control unit 5a-5d having a group management function.
It is multiplexed with the data of 5d and transmitted to the central processing unit 2. In addition, the multiplexed data of the central processing unit 2 is separated by the predetermined control units 5a to 5d and transmitted to the control units 5a to 5d. Then, the central processing unit 2 and the respective control units 5a to 5d
When an abnormality occurs in the communication cables 14a to 14d between the other and the like, data can be transmitted by bypassing the other normal communication cables 14a to 14d. Therefore, the number of signal lines is reduced, the entire device has a simple structure, and even if the communication cable is broken, all the functions are not disabled. As a result, the elevator monitoring and control device has a simple structure and high reliability.

<Third Embodiment> FIG. 3 is a block diagram showing an elevator monitoring control apparatus according to a third embodiment of the present invention, and shows a case where four elevators and one bank are provided. In the figure, the same reference numerals and symbols as those of the above-mentioned conventional example and each embodiment indicate the same or corresponding components as those of the above-mentioned conventional example and each embodiment.

In the figure, 15 is a control unit for each unit 5a-5d.
And 16 is a communication cable for signal transmission between the multiplexing unit 15 and the central processing unit 2. The data multiplexed by the multiplexing unit 15 is transmitted to the central processing unit 2 via the communication cable 16. The data of the group management unit 4 is transmitted via the communication cable 6 which is a different route from the communication cable 16.

In the elevator supervisory control device having this structure,
When an abnormality occurs in the communication cable 16, the data of each of the control units 5a to 5d is transmitted to the group management unit 4 via the communication cable 9 and multiplexed with the data of the group management unit 4 to be processed by the central processing unit 2. Be transmitted to.

Communication between each of the control units 5a to 5d and the multiplexing unit 15 has a small amount of data (for example, 2 for each unit).
Since it is about 00 bytes), it is not necessary to use a special protocol, and simple cyclic transmission for transmitting all data at regular intervals is sufficient. On the other hand, each unit control unit 5a-5
When the data of d and the data of the group management unit 4 are multiplexed and transmitted, the amount of data is significantly increased. For example, assuming that the data of each of the respective control units 5a to 5d is 200 bytes and the data of the group management unit 4 is 500 bytes, the communication cable 6
Is normally 200 bytes, and is 200 when abnormal
It becomes + 500 × 4 = 2200 bytes. Transmission speed is 10
Assuming kilobits / second, the normal time is (200 × 8) / 1
0000 = 0.16 seconds, and transmission can be performed with a cyclic period of 0.5 seconds. In case of abnormality (2200 × 8) / 10
Since 000 = 1.76 seconds, transmission cannot be performed in a cyclic cycle of 0.5 seconds, so the cyclic cycle is delayed only when an abnormality occurs. This can be achieved by putting a sync signal at the beginning of the data.

As described above, the elevator supervisory control apparatus of this embodiment performs data transmission between the group management unit 4 and the central processing unit 2 and data transmission between the individual control units 5a to 5d and the central processing unit 2. When a communication abnormality occurs between the central processing unit 2 and each of the first control means 5a to 5d and the first transmission means which is performed via the communication cables 6 and 16 which are different routes, the respective control units. The second transmission means for transmitting the data 5a to 5d via the group management unit 4 and transmitting the multiplexed data to the data of the group management unit 4 is provided.

That is, the elevator supervisory control apparatus of this embodiment separates the transmission of data between the group management unit 4 and the central processing unit 2 and the transmission of data between the respective control units 5a to 5d and the central processing unit 2. And the control unit 5 for each unit.
When a communication error occurs between the a to 5d and the central processing unit 2, the data of the respective unit control units 5a to 5d are transmitted via the group management unit 4 after being multiplexed with the data of the group management unit 4. It is a thing.

Therefore, the data of the group management unit 4 is transmitted to the central processing unit 2 via the communication cable 6, and the data of each unit control unit 5a to 5d is transmitted to the central processing unit 2 via the communication cable 16. .. Further, when an abnormality occurs in the communication cable 16 between the central processing unit 2 and each of the control units 5a to 5d, the data can be transmitted by bypassing the other normal communication cable 6. Therefore, the number of signal lines is reduced, the entire device has a simple structure, and even if the communication cable is broken, all the functions are not disabled.
As a result, the elevator monitoring and control device has a simple structure and high reliability.

<Fourth Embodiment> FIG. 4 is a block diagram showing an elevator monitoring control apparatus according to a fourth embodiment of the present invention, and shows a case where four elevators and one bank are provided. In the figure, the same reference numerals and symbols as those of the above-mentioned conventional example and each embodiment indicate the same or corresponding components as those of the above-mentioned conventional example and each embodiment.

In the figure, reference numerals 18a to 18d denote multiplexing units for multiplexing each data, and the multiplexing units 18a to 18d.
Key switches 3a to 3d for control are connected to d via signal lines 17a to 17d. Reference numerals 19a to 19d are communication cables for signal transmission between the multiplexing units 18a to 18d and the central processing unit 2. The multiplexing units 18a to 18d multiplex the data transmitted from the central processing unit 2 via the communication cables 19a to 19d and the data of the key switches 3a to 3d and transmit the multiplexed data to the respective control units 5a to 5d. The key switches 3a to 3d are used for backup when the central processing unit 2, the CRT display 1 or the keyboard 13 is abnormal.

As described above, the elevator supervisory control device of this embodiment is provided with the group management unit 4 via the respective car control units 5a to 5d.
And a central processing unit 2 for transmitting data, data of the group management unit 4 and the respective unit control units 5a to 5a.
The second transmission means for multiplexing and transmitting the data of 5d and the key switches 3a to 3d, which are mechanical operation means for elevator control, provided in addition to the central processing unit 2 are provided.

That is, the elevator supervisory control device of this embodiment transmits data between the group management unit 4 and the central processing unit 2 via the respective vehicle control units 5a to 5d, and at the same time, the group management unit 4 is operated. The data and the data of the respective control units 5a to 5d are multiplexed and transmitted, and in addition to the central processing unit 2, key switches 3a to 3d for elevator control are provided.

Therefore, the data of the group management unit 4 is multiplexed with the data of the respective control units 5a to 5d by the multiplexing units 18a to 18d via the respective control units 5a to 5d and the central processing unit 2 is processed.
Be transmitted to. In addition, the multiplexed data of the central processing unit 2 passes through the respective unit control units 5a to 5d and then the group management unit 4 and the respective unit control units 5 are used.
a to 5d. And the central processing unit 2, CRT
When an abnormality occurs in the display device 1 or the keyboard 13, a signal can be input by using the key switches 3a to 3d. Therefore, even if the central processing unit 2 or the like fails, all the functions are not disabled. As a result, the elevator monitoring and control device has a simple structure and high reliability.

Now, an improved form of the fourth embodiment will be described. FIG. 5 is a block diagram showing an improved form of the elevator monitoring control apparatus according to the fourth embodiment of the present invention. In the figure, the same reference numerals and symbols as those of the above-mentioned conventional example and each embodiment indicate the same or corresponding components as those of the above-mentioned conventional example and each embodiment.

In the figure, 3 is a key switch for elevator control, and this key switch 3 is connected to a multiplexing unit 18 via a signal line 17. That is, in the present embodiment, only one key switch 3 is provided, and when an abnormality occurs in the central processing unit 2, the signal from the key switch 3 is transmitted via the signal line 17 to the multiplexing unit 18 and the communication cable. 14
d, transmitted to each unit control unit 5d. Then, each unit control unit 5a to 5c from each unit control unit 5d via the communication cable 9.
Be transmitted to.

As described above, the elevator monitoring control apparatus of the present embodiment is provided with one key switch 3 as the mechanical operating means for controlling the elevator of the fourth embodiment.

Therefore, in the present embodiment as well, as in the fourth embodiment, the data of the group management unit 4 is passed through the respective unit control units 5a to 5d to the multiplex units 18a to 18d and the respective unit control units 5a to 5d.
It is multiplexed with the data of d and transmitted to the central processing unit 2. In addition, the multiplexed data of the central processing unit 2 is the control units 5a to 5 for each unit.
It is transmitted to the group management unit 4 and the respective unit control units 5a to 5d via d. If an abnormality occurs in the central processing unit 2, the CRT display unit 1 or the keyboard 13, the key switch 3
You can use the to input signals. Therefore, even if the central processing unit 2 or the like fails, all the functions are not disabled. As a result, the elevator monitoring and control device has a simple structure and high reliability. Moreover, in the present embodiment, the multiplexing units 18a to 18d, the signal lines 17a to 17d,
The number of key switches 3a to 3d is smaller than that in the fourth embodiment, and the entire device has a simple structure.

FIG. 6 is a block diagram showing another improved form of the elevator supervisory controller of the fourth embodiment of the present invention. In the figure, the same reference numerals and symbols as those of the above-mentioned conventional example and each embodiment indicate the same or corresponding components as those of the above-mentioned conventional example and each embodiment.

In the figure, 3a to 3d are key switches attached to the operation panel 10, and these key switches 3a
~ 3d is used for normal control, and key switches 3a ~ 3
When there is an abnormality in d, the keyboard 13 is used for control. This eliminates the problem that the key switches 3a to 3d that are occasionally operated are abnormal when they happen to be operated.

As described above, the elevator monitoring control apparatus of this embodiment is different from the fourth embodiment in that the key switches 3a to 3d, which are mechanical operating means for elevator control, are used in a different manner.

Therefore, in the present embodiment as well as in the fourth embodiment, the data of the group management unit 4 is passed through the respective unit control units 5a to 5d to the multiplex units 18a to 18d and the respective unit control units 5a to 5d.
It is multiplexed with the data of d and transmitted to the central processing unit 2. In addition, the multiplexed data of the central processing unit 2 is the control units 5a to 5 for each unit.
It is transmitted to the group management unit 4 and the respective unit control units 5a to 5d via d. When an abnormality occurs in the key switches 3a to 3d, the keyboard 13 can be used to input a signal. Therefore, even if the key switches 3a to 3d fail, all the functions are not disabled. As a result, the elevator monitoring and control device has a simple structure and high reliability.

[0050]

As described above, the elevator supervisory control device according to the invention of claim 1 comprises the first transmission means and the second transmission means, and the data of the group management section and the central processing section are stored. The central processing unit and each unit control unit have a simple configuration in which data is transmitted via a predetermined unit control unit and data of the group management unit and data of each unit control unit are multiplexed and transmitted. Even when an abnormality occurs in the communication cable between the and the like, the data can be transmitted by bypassing the other normal communication cables, so that the number of signal lines is reduced and the reliability is improved.

An elevator monitoring control apparatus according to a second aspect of the present invention comprises a first transmission means and a second transmission means, and group control is performed by a predetermined unit control section having a group control function and a central processing section. Data is transmitted, and when a communication error occurs between each unit control unit and the central processing unit, the data is multiplexed via each predetermined unit control unit having the group management function. Due to the simple configuration of transmission, even if a communication error occurs between each unit control unit and the central processing unit,
Since each unit control unit fulfills the group management function and can transmit data, the number of signal lines is reduced and reliability is improved.

An elevator monitoring control apparatus according to a third aspect of the present invention comprises a first transmission means and a second transmission means, and transmits data between the group management unit and the central processing unit and controls each car and the central unit. Data is transmitted to and from the processing units via different routes, and when a communication error occurs between each of the unit control units and the central processing unit, the data of each unit control unit is passed through the group management unit. However, with a simple configuration that multiplexes and transmits to the data of the group management unit, even if an abnormality occurs in the communication cable between the central processing unit and each unit control unit, another normal communication cable Since data can be transmitted by bypassing, the number of signal lines is reduced and reliability is improved.

An elevator monitoring control apparatus according to a fourth aspect of the present invention comprises a first transmission means, a second transmission means, and a mechanical operation means, and a group management section via each unit control section. In addition to transmitting data to the central processing unit, the data of the group management unit and the data of the respective car control units are multiplexed and transmitted, and in addition to the central processing unit, mechanical operation means for elevator control. With a simple configuration in which the control unit is provided, even if an abnormality occurs in the central processing unit, the control signal can be input by using the mechanical operation unit, so that the reliability is enhanced.

[Brief description of drawings]

FIG. 1 is a block configuration diagram showing an elevator monitoring control device according to a first embodiment of the present invention.

FIG. 2 is a block configuration diagram showing an elevator monitoring control device according to a second embodiment of the present invention.

FIG. 3 is a block configuration diagram showing an elevator monitoring control device according to a third embodiment of the present invention.

FIG. 4 is a block diagram showing an elevator monitoring control device according to a fourth embodiment of the present invention.

FIG. 5 is a block configuration diagram showing an improved form of an elevator supervisory control device according to a fourth embodiment of the present invention.

FIG. 6 is a block configuration diagram showing another improved form of the elevator monitoring control apparatus according to the fourth embodiment of the present invention.

FIG. 7 is a block configuration diagram showing a conventional elevator monitoring control device.

[Explanation of symbols]

 1 CRT display 2 Central processing unit 3, 3a to 3d Key switch 4 Group management unit 5a to 5d Each unit control unit 6 Communication cable 8 Communication cable 9 Communication cable 10 Operation panel 11 Administrator room 12 Machine room 13 Keyboard 14a to 14d Communication cable 15 Multiplexing unit 16 Communication cable 17, 17a to 17d Signal line 18, 18a to 18d Multiplexing unit 19, 19a to 19d Communication cable

Claims (4)

[Claims] 1. A first transmission unit for transmitting data between a group management unit and a central processing unit via a predetermined unit control unit, data of the group management unit and data of the unit control unit. And a second transmission means for multiplexing and transmitting. 2. A first transmission means for transmitting data between a predetermined unit control unit having a group management function and a central processing unit, and a communication error between the unit control unit and the central processing unit. An elevator supervisory control device comprising: a second transmission means for multiplexing and transmitting data via a predetermined unit control unit having the group management function when it occurs. 3. A first transmission means for performing data transmission between the group management unit and the central processing unit and data transmission between each unit control unit and the central processing unit, and each unit control. And a central processing unit, when a communication error occurs, the data of each unit control unit is passed through the group management unit, and second transmission means for multiplexing and transmitting to the data of the group management unit is provided. An elevator monitoring control device characterized by: 4. A first transmission means for transmitting data between a group management unit and a central processing unit via each unit control unit, data of the group management unit and data of each unit control unit. An elevator supervisory control device comprising: a second transmission means for multiplexing and transmitting; and a mechanical operation means for elevator control provided in addition to the central processing unit.