JPH0459834B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a unique information registration device for a terminal device in a remote monitoring system.

[Prior Art] A generally known remote monitoring system is composed of a center device and a plurality of terminal devices, and data and information transmission between the center device and each terminal device is performed via a telephone line. It is. Therefore, it is necessary to store a telephone number for calling the other party, a management number for identifying the other party, etc. in the center device and each terminal device, especially each terminal device. Therefore, when a new terminal device is installed to monitor the status of building equipment, elevators, etc., it is necessary to visit the installation site and register information unique to the terminal device, such as the telephone number and management number, in the storage device of the terminal device. (remember). Furthermore, as described in Japanese Unexamined Patent Publication No. 16031/1983, it is known to set the operating conditions of a terminal device from the center side.

[Problems to be solved by the invention] In conventional remote monitoring systems, it is necessary to go to the installation location each time a new terminal device is installed, which increases the time required to register each terminal device and makes the registration operation complicated. becomes. Furthermore, in the method of setting operating conditions from the center side, operating condition information is simply transmitted from the center device to the terminal device, and it is not possible to confirm whether the operating condition has been correctly set in the terminal device. Therefore, when sending and receiving information via a telephone line, the transmitted information may not be transmitted correctly to the other party due to noise on the telephone line, etc. If you register the information incorrectly, you will not be able to call the other party.

An object of the present invention is to provide a device for registering unique information of a terminal device in a highly reliable remote monitoring system, which allows the registration of unique information of a terminal device to be performed easily and quickly, and eliminates registration of incorrect unique information. Our goal is to provide the following.

[Means for Solving the Problems] A feature of the present invention is that, in a device for registering unique information of a terminal device in a remote monitoring system including a center device and a terminal device connected to the center device via a telephone line, The center device includes a keyboard for inputting the unique information of each terminal device, a unique information storage means for storing the unique information input from the keyboard, and a unique information storage means for storing the unique information stored in the unique information storage means. A program storage means storing a program that executes a command to be transmitted to a terminal device via a telephone line and written into the unique information storage means of the terminal device, and unique information of the terminal device transmitted from the terminal device. and a means for checking whether or not this matches the unique information stored in the unique information storage means on the center side. , a writing program storage means that stores a program for writing the unique information transmitted from the center device into the unique information storage means of the terminal device; The unique information transmission program storage means stores a program for reading and transmitting the program to the center device via a telephone line.

[Function] With the above configuration, when registering information unique to the terminal device, such as a telephone number or management number, in the terminal device, the unique information is input from the keyboard of the center device and stored in the unique information storage means. Meanwhile, a write command execution program in the program storage means is activated, and the write command and the unique information are transmitted via the telephone line to the terminal device in which the unique information is to be registered. When the terminal device receives the write command, a write program is started, and the unique information transmitted from the center device is stored in the terminal-side unique information storage means. Thereafter, the read program in the read program storage means is activated, reads out the unique information stored in the terminal side unique information storage means, and transmits it to the center device via the telephone line. Upon receiving this, the center device checks whether the unique information transmitted from the terminal device matches the unique information stored in the center-side unique information storage means, and if they match, registers the unique information. After completing the operation, if there is no match, the unique information is registered by repeating the above-mentioned registration operation from the beginning.

In this way, since the registration operation of the unique information of the terminal device is performed from the center device via the telephone line, it can be easily and quickly registered without going to the installation location, and the unique information sent from the center device can be registered easily and quickly. In order to check whether the information has been correctly registered in the terminal device, when comparing the unique information returned from the terminal device with the unique information stored in the center device, that is, the unique information sent from the center device for writing, The unique information sent from the center device is once written to the terminal device and stored, and what is read out is compared as the terminal-side unique information, so incorrect unique information may be registered in the terminal device or remain unchanged. It is possible to provide a unique information registration device for a terminal device in a highly reliable remote monitoring system.

[Example] An example of the present invention will be described below with reference to FIGS. 1 to 3.

FIG. 1 schematically shows the configuration of an embodiment, and the remote monitoring system is composed of a center device 1 and a terminal device 2 connected to the center device 1 via a telephone line 3. 1 includes a keyboard 14 for inputting information unique to the terminal device and other information such as a telephone number and building management number;
and a program that executes a unique information write command of the terminal device 2, and a function of checking the relationship (match or mismatch) between the unique information transmitted from the terminal device 2 and the unique information stored in the RAM 15. ROM 13 in which programs are stored
, a RAM 15 that stores unique information, and a central processing unit (referred to as CPU) 1 that controls these.
1. Data transmission between the center device 1 and the terminal devices 2 is performed via a network control circuit (referred to as NCU) 12 installed in the center device 1 and via a telephone line 3.

The terminal device 2 includes a ROM 23 that stores a writing program that starts upon receiving a unique information write command from the center device 1 and a program that reads unique information stored in the RAM 25 and sends it to the center device 1. A RAM 25 that stores unique information sent from 1;
An NCU 22 is installed, and these are controlled by processing information (referred to as MPU) 21. Data transmission between the terminal device 2 and the center device 1 is performed via the telephone line 3 via the NCU 22 installed in the terminal device 2 .

FIG. 3 is a memory map 26 of the telephone number in the RAM 25 of the terminal device 2, where the upper two digits of the telephone number 12 are written at address 1000, and then 34, 56, 78, and 90 are written at addresses 1001 to 1004, respectively. It is.

FIG. 2 shows an example of a transmission format for unique information (telephone number), in which a start command STX is followed by a data type and a telephone number, such as 1234567890. In order to improve reliability, so-called double transmission is used, and after the telephone number, the data type and telephone number are transmitted again, and then the end command ETX is transmitted.

Next, the operation for writing a telephone number, which is one of the unique information, from the center device 1 to the RAM 25 of the terminal device 2 will be explained.

An automatic dialing circuit (not shown) calls the terminal device 2 from the center device 1, and the center device 1 and the terminal device 2 are connected via the telephone line 3.
A state is established in which data (information) can be exchanged. Next, start the program stored in ROM13,
Transmission information such as a telephone number, data type, start command, end command, etc. input in advance from the keyboard 14 and stored in the RAM 15 is transmitted to the terminal device 2 via the NCU 12 and the telephone line 3 in the above-mentioned transmission format. It is transmitted to the NCU 22 of.

In the terminal device 2, the data type analysis stored in the ROM 23 in advance is started based on the transmitted transmission information, and the transmitted transmission information is analyzed, and it is determined whether the data is the transmission format from the center device 1 or not. When it is determined that the registration is a telephone number, the transmitted information from the center device 1, that is, the telephone number, is stored one after another at a predetermined address in the RAM 25, for example, 1000 as shown in FIG.
12 is written to address 12, 34 is written to address 1001, etc. in sequence.

In order to prevent written unique information such as telephone numbers from being erased in the event of a power outage, a backup means such as a battery is provided.

Next, the unique information transmission program stored in the ROM 23 of the MPU 21 is started, and the
The telephone number written in the RAM 25 is read out and transferred to the NCU in the transmission format described above.
12 and the center device 1 via the telephone line 3.
is transmitted to the NCU 12 of The center device 1 that received this sends the transmitted telephone number and RAM1
It is checked (verified) whether or not the telephone number stored in 5 matches the telephone number stored in 5. If they match, the registration operation is completed, and if they do not match, the registration operation is restarted from the beginning.

In this way, from the center device 1 to the telephone line 3
Information unique to the terminal device, such as a telephone number and building management number, can be registered in the terminal device 2 via the terminal device 2, and there is no need for a specialized engineer to go to the location where the terminal device 2 is installed and perform the registration operation. It disappears. Also,
The terminal device 2 does not require a unique information registration device, and the unique information will not be changed due to an erroneous operation or a mischievous operation.

In the above-mentioned embodiment, the telephone number was mentioned as the information unique to the terminal device, but other examples of unique information include the building management number, the elevator management number, and the like.

According to the above embodiment, it is not necessary to install a unique information registration device in the terminal device, and the terminal device can be simplified. Further, when registering the unique information, there is no need to go to the installation location, so the time required for traveling back and forth to the installation location is eliminated, so the registration of the unique information can be completed in a short time. Furthermore, the unique information transmitted from the center device and stored in the terminal device is sent back to the center device, and the unique information received at the center device is compared with the unique information transmitted from the center device to the terminal device. It is possible to register the unique information in the terminal device or prevent it from remaining as it is.

[Effects of the Invention] As explained in detail above, according to the present invention, the unique information registration operation of the terminal device is performed from the center device via the telephone line, so it can be done easily and quickly without having to go to the installation location. In addition to checking whether the unique information sent from the center device has been correctly registered in the terminal device,
When comparing the unique information returned from the terminal device with the unique information stored in the center device, that is, the unique information sent from the center device for writing, it is necessary to first write the unique information sent from the center device to the terminal device. Since this information is stored and read out and checked as terminal-side unique information, it is possible to prevent incorrect unique information from being registered in the terminal device or from leaving it as it is, allowing for highly reliable remote monitoring. A unique information registration device for a terminal device in a system can be provided.

[Brief explanation of the drawing]

The figures are explanatory views of one embodiment of the present invention, in which Fig. 1 is a block diagram schematically showing the configuration, and Fig. 2 is a block diagram schematically showing the configuration.
The figure shows an example of the configuration of the transmission format.
The figure shows a memory map of RAM that stores telephone numbers. 1... Center device, 2... Terminal device, 3... Telephone line, 11... CPU, 12, 22... NCU,
13, 23...ROM, 14...Keyboard, 1
5, 25...RAM, 21...MPU.

Claims (1)

[Claims] 1. In a unique information registration device for a terminal device in a remote monitoring system comprising a center device and a terminal device connected to the center device via a telephone line, unique information of each terminal device is input to the center device. a keyboard; a unique information storage means for storing the unique information input from the keyboard; and a unique information storage means that transmits the unique information stored in the unique information storage means to a terminal device via a telephone line, and transmits the unique information stored in the unique information storage means to the terminal device. A program storage means storing a program for executing a command to be written to the unique information storage means of the device, and receiving the unique information of the terminal device transmitted from the terminal device and storing it in the unique information storage means on the center side. The terminal device is equipped with a means for checking whether the unique information transmitted from the center device matches the unique information, and the terminal device is activated upon receiving a write command from the center device, and writes the unique information transmitted from the center device to the terminal device. a writing program storage means storing a program to be written into the unique information storage means of the terminal, and reading the unique information written and stored in the terminal side unique information storage means by the writing program, and transmitting this to the center device via a telephone line. 1. A unique information registration device for a terminal device in a remote monitoring system, comprising unique information transmission program storage means storing a program for transmitting unique information.