JP2003143663A - Remote monitor control system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a remote monitor control system that can change a schedule without the need for an operator to visit a place in which a schedule unit is installed. SOLUTION: In the remote monitor control system where a central controller 31 for carrying out centralized management of a transmission signal, a control terminal 33 to which a load 32 of a control object is connected, a switch unit 10 acting like an operation terminal of the load 32, and a schedule unit 20 for controlling the load according to the time schedule stored in advance are connected by two-wire signal lines, the central controller 31 monitors the state of operation terminals such as the switch unit 10 and applies operation control to the load in response to the operation of the switch unit 10, the schedule unit 20 receives a transmission signal denoting a schedule change request sent from a signal line Ls to change the time schedule.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a remote monitoring control system.

[0002]

2. Description of the Related Art Conventionally, a remote monitoring control system 100 shown in FIG. 13 has been known as a remote monitoring control system for monitoring and controlling the states of loads such as lighting and sensors in buildings such as buildings and houses. There is. In this remote monitoring control system 100, a central control device 31 that centrally manages the entire system, a control terminal device 33 that controls a load 32 such as lighting, and a terminal such as a switch unit 34 that operates the loads are connected to each other. It is configured to be connected via a signal line Ls of a line. Further, in this remote monitoring control system 100, in many cases, the schedule unit 35 serving as a terminal is also connected to the signal line Ls, and when the predetermined time comes, the load set in the schedule unit 35 is controlled. The time schedule control is performed. In each of these terminals, an individual address is set, and the central control device 31 centrally manages the address so that each terminal is recognized and the monitoring data and the control data are transmitted. There is.

In the transmission in the remote monitoring control system 100, the central control unit 31 sends a signal line Ls to the signal line Ls shown in FIG.
7 (a) (b) time-division multiplexed transmission signal Vs
Will be sent. That is, the transmission signal Vs is an address data for transmitting a start pulse ST indicating a signal transmission start, a mode data signal MD indicating a signal mode, and address data for individually calling terminals such as the control terminal 33 and the switch unit 34. A signal AD, a control data signal CD for transmitting control data for controlling the load 32, a checksum data signal CS for detecting a transmission error, and a signal return period WT which is a time slot for receiving a return signal from the terminal. It is a bipolar (± 24 V) time division multiplexed signal, and data is transmitted by pulse width modulation.

Further, in the terminal of the remote monitoring control system 100, when the address data transmitted by the transmission signal Vs received via the signal line Ls matches the preset address data, the control signal is transmitted from the transmission signal Vs. And return signal corresponding to the monitoring data is transmitted by short-circuiting the current mode signal (line between the signal lines Ls via an appropriate low impedance) in synchronization with the signal return period WT of the transmission signal Vs. signal)
Will be returned as.

Further, the central control unit 31 is provided with dummy signal transmitting means and interrupt signal processing means. The dummy signal transmitting means sets the mode data signal MD to the dummy mode, and constantly transmits the dummy transmission signal including the empty address not set as the terminal as the address data. Then, the interrupt signal processing means generates an interrupt signal Vi generated at any of the terminals as shown in FIG.
When the terminal which has received the interrupt signal Vi is detected, the terminal is accessed and the reply data is returned. That is, when the dummy signal transmitting means normally transmits the dummy signal to the signal line Ls, and the interrupt signal Vi generated by the operation of the terminal is detected in synchronization with the start pulse signal ST of the dummy transmission signal, the interrupt processing means Mode data signal M from central controller 31
The transmission signal Vs in which D is in the address confirmation mode is transmitted. In the address confirmation mode, terminals having a part of the common address are grouped, and the transmission signal Vs is collectively set for each group.

When the transmission signal Vs indicating the address confirmation signal, which is the mode confirmation signal in the mode data signal MD, is transmitted, the terminal generating the interrupt signal Vi switches in synchronization with the signal return period WT of the transmission signal Vs. The address data set in the unit is returned as reply data. In this way, the central control unit 31 acquires the address of the terminal that generated the interrupt signal Vi, and accesses the terminal using the acquired address,
The reply data corresponding to the operation of the terminal is received.

Further, each device will be specifically described. In the central control device 31, the switch unit 34 is based on the reply data returned from the switch unit 34.
The control data to be transmitted to the control terminal device 33 to which the load 32 having a preset correspondence relationship with is created, and the transmission signal Vs including the control data is generated on the signal line L.
By sending the control data to the corresponding control terminal device 33, the control data is transmitted to the corresponding control terminal device 33 to control the load 32.

The control terminal 33 includes a load 32 such as a light.
Is a terminal for controlling the power supply, and is connected between the central control device 31 and the load 32 via a signal line Ls. When the control terminal device 33 receives the control data from the central control device 31, the control terminal device 33 controls the connected load 32 based on the control data.

The switch unit 34 is a wall-embedded type switch capable of performing advanced function control such as individual on / off control, group control, and pattern control for load terminals such as lights. As shown in FIG. 14, a communication I / F unit 11 that performs transmission in the remote monitoring control system, a main control unit 12 that controls the switch main body, a storage unit 13 that stores an address, an LED display pattern, and the like, and is formed on the main body surface. The operation input unit 14 detects an input event of the button switch and the LED display unit 15 displays the state of the load to be controlled. Although there are various types of switch units 34 according to their functions, a plurality of button switches operated by a finger and two sets of two types of red-green LEDs for displaying a load state allocated to the button switches are provided in four sets. It is general that a certain degree is provided.

The schedule unit 35 is for performing preset control on the load 32 connected to the remote monitoring control system 100 when a predetermined time comes, and as shown in FIG. A communication I / F unit 21 for performing transmission in the remote monitoring control system, a main control unit 29 for controlling the main body of the schedule unit 35, a storage unit 23 for storing a later-described schedule table that is information of addresses and time schedules, a numeric keypad, etc. The device is composed of an operation input unit 24 in which buttons are formed, a display unit 25 for displaying information, and a timer unit 26 for measuring time.

The schedule unit 35 has an operation input section 24 on the surface of the main body of the apparatus, and can set necessary information as a schedule table as shown in FIG. That is, the desired day of the week,
At time, the control action to be taken by the desired load can be directly input. In this case, in the schedule unit 35, the main control unit 29 is arranged to interlock with the clock unit 26, and when the time set in the schedule table comes, an interrupt signal Vi is generated via the communication I / F unit 21. , The contents of control operation to be taken by the load set in the schedule table
Transmit to 1.

The schedule unit 35 is installed in a building where the system is installed, for example, in a building manager's room or a guard waiting room. Generally, the schedule unit 35 is provided in a distribution board 36 together with branch switches. Housed in. When changing the load schedule control, the door of the distribution board 36 is opened and the display unit 25 provided on the surface of the schedule unit main body.
By operating the buttons of the operation input unit 24 according to the instructions
The schedule information will be input.

[0013]

However, the schedule unit 35, which manages the schedule as described above, determines the contents of the control operation to be taken by the load set in the schedule table at the predetermined time, by the central controller. Although it has a function of transmitting it to 31, the only means for changing the setting of the schedule table is input directly through the operation input unit 24 provided in the unit main body. Therefore, this schedule unit 35
Is installed in a place such as a building manager's room or a guard waiting room, it is naturally necessary for the operator to go to the place and input a change operation.

In view of the above circumstances, the present invention is intended to provide a remote monitoring control system which allows an operator to change a schedule without going to a place where a schedule unit is installed.

[0015]

In order to solve the above-mentioned problems, in a remote monitoring and control system of the present invention, a central control unit for centrally managing transmission signals and a control terminal to which a load to be controlled is connected. A switch unit serving as an operating terminal for the load, and a schedule unit for controlling the load according to a pre-stored time schedule, are connected via two signal lines, and the central control device connects each terminal device. A transmission signal including specified address data is transmitted in a time division manner, each terminal is individually accessed to monitor the state of the operation terminal such as the switch unit, and the control terminal is operated according to the operation of the switch unit. In the remote monitoring and control system for transmitting a transmission signal including control data to control the operation of the load, the schedule unit includes: Receiving a transmission signal showing schedule change request transmitted from the line, make changes of the time schedule.

Thus, in the schedule unit,
The transmission signal indicating the schedule change request transmitted from the signal line forming the remote monitoring and control system is received, and the time schedule stored in advance is changed.

The transmission signal indicating the schedule change request is preferably a signal instructing addition or deletion of a schedule. In this case, it is determined whether the signal indicating the schedule change request received by the schedule unit is a signal for adding a schedule or a signal for deleting a schedule.

Further, it is preferable that the signal instructing the addition of the schedule includes at least information on control types such as individual control and group control, load control operation, and time. In this case, the schedule unit changes the control type, the control operation, and the time schedule information among the stored time schedule information based on the signal indicating the schedule change request.

Further, it is preferable that a plurality of the switch units are provided and only a specific switch unit transmits a transmission signal indicating the schedule change request to the signal line. In this case, of a plurality of switch units connected to the signal line, only a specific switch unit having the function sends the transmission signal instructing the schedule change.

Preferably, the switch unit is provided with a plurality of button switches for operating a load, and the button switches are also used for inputting the time schedule. In this case, the time schedule is input by operating the button switch for operating the load provided in the switch unit body.

[0021]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

As shown in FIG. 1, the embodiment of the present invention has substantially the same configuration as the system configuration (FIG. 13) in the conventional remote monitoring control system 100 in terms of equipment configuration. However, in terms of functions, some devices have different functions from the conventional ones, and the differences will be mainly described.

Remote monitoring and control system 1 of this embodiment
As shown in FIG. 1, a central control device 31 that performs centralized management of transmission signals, a control terminal 33 to which a load 32 to be controlled is connected, and a switch unit 10 that serves as an operating terminal of the load 32. A schedule unit 20 for operating the load according to a pre-stored time schedule is connected by a signal line Ls. Of these devices, the central control device 31, the load 32, and the control terminal device 3
3 is the same as that used in the conventional remote monitoring and control system.

The switch unit 10 adds / deletes a time schedule to the wall-embedded switch 34 for application control such as on / off control of lighting, group control, and pattern control, and displays information. It has added functions. This switch unit 10
As shown in FIG. 2, a communication I / F unit 11 that performs communication in the remote monitoring control system, a main control unit 12 that controls the switch body, a storage unit 13 that stores an address and an LED display pattern, and a switch unit. Operation input unit 1 for detecting an input event of a button switch on the surface of the main body
4. An LED display unit 15 that displays information with LEDs.

The main control unit 12 is formed by a microcomputer. In its processing program, in addition to the control function for controlling the switch main body in the conventional main control unit 19, a time which will be described later in detail. Add a schedule,
Functions for deleting and displaying information are provided. Further, as shown in FIG. 3, the operation input unit 14 and the LED display unit 15 include four button switches and two red and green LEDs, one on the left and one on the upper side of each of the button switches. Is formed. Further, the switch unit 10 responds with a predetermined LED pattern display when a specific input is made so that the operator can distinguish the switch 34 from the conventional switch. It should be noted that, since the schedule change greatly affects the system, a high level of security is often required. Therefore, in the above processing program, based on the authentication key stored in the storage unit 13, the authentication for preventing the change by the unauthorized operator is performed. It is preferable to provide the function with.

The schedule unit 20 is a terminal device for transmitting a control request signal to the central control unit 31 according to a time schedule stored in advance at a predetermined time. As shown in FIG. 4, the schedule unit 20 includes a communication I / F unit 21 for performing communication in a remote monitoring control system, a main control unit 22 for controlling the main body of the schedule unit 20, an address of the main body of the terminal, and a time schedule. The storage unit 23 stores a schedule table as information, an operation input unit 24 in which buttons such as a numeric keypad are arranged, a display unit 25 for displaying information, and a time counting unit 26 for counting time.

In the main controller 22, the conventional main controller 29 is used.
In addition, when a transmission signal indicating a schedule change request (hereinafter, a schedule change request signal) is received from the signal line Ls, a schedule change setting function for changing the time schedule according to the signal is provided. Therefore, it is possible to respond to a change request such as addition or deletion of a schedule from the switch unit 10. It should be noted that the conventional means for changing the schedule relating to the schedule control in the switch unit 34 is only means for changing the schedule information by operating the buttons of the operation input unit 24 in accordance with the instruction of the display unit 25. There wasn't.

Next, its function will be described with reference to the flowchart shown in FIG. 5. When a signal from the signal line Ls is received (S201), it is judged whether or not the signal is a schedule change request signal (S202). When the signal is different from the schedule change request signal, the main control unit 22 performs the conventional process (S204). On the other hand, if the signal matches the schedule change request signal, schedule change processing (S205) is performed. Schedule change process (S20
In 5), the received schedule change request signal is analyzed, and it is determined whether the signal is a request for adding a schedule or a request for deletion, and a preset process such as a schedule adding process or a schedule deleting process is performed. Is executed. The analyzed signals include on / off control for individual lights, group control, and
The storage unit 23 includes a control type such as pattern control, a control operation to be performed by a target load, setting contents indicating a day of the week for a time schedule, and a time when the operation should be performed, and these pieces of information are stored in the storage unit 23 as a time schedule table. You will remember.

The operation input section 24 and the display section 25 are not necessarily provided, but if they are provided, the schedule information schedule is operated by operating the buttons in accordance with the instruction of the display section 25 provided on the surface of the schedule unit body. You can add, delete, and display information.

Next, the communication transmitted and received between the terminals in the remote monitoring and control system 1 will be described mainly with reference to the sequence diagram shown in FIG. First, by operating the operation input unit 14 of the switch unit 10, an interrupt signal Vi is transmitted from the switch unit 10 to the central control device 31, and it is transmitted that there is a command transmission event. The switch unit 10 waits for an address confirmation signal from the central controller 31.
When the central control device 31 receives the interrupt signal Vi,
It is confirmed from which terminal the signal is transmitted, an address confirmation signal for permitting command transmission is transmitted to that terminal, and a command reception waiting state from the terminal is entered.

Next, when the switch unit 10 receives the address confirmation signal, the switch unit 10 transmits to the central control unit 31 a transmission signal (hereinafter referred to as a schedule update request signal), which is information indicating schedule update information. Then, when the central control device 31 receives the schedule update request signal indicating the schedule update command, it transmits a transmission signal (schedule update request signal) indicating the schedule update request to the schedule unit 20. When the schedule unit 20 receives the schedule update request signal, the schedule information is changed and set by the set processing program. In this way, the schedule information input by the switch unit 10 is changed and set in the schedule unit 20.

Next, the operation of the switch unit 10 will be described in detail. Switch unit 10 of the present embodiment
Then, as described above, four button switches and two red and green LEDs are arranged on the left and right, respectively, on the upper side of each button switch. The input from these button switches causes the internal state of the switch unit to transition, and the information that the input of the button switch means changes accordingly. The switch unit 10
The internal state of LED is the LED on the surface of the switch unit 10.
You can learn more by clicking here.

The main operation of the main controller 12 of the switch unit 10 is as shown in the flowchart of FIG. In this switch unit 10, the LED is normally turned on (S2), and the control command from the central control device 31 and the input event from the button switch are monitored (S3, S4). When the control command is received, the command is executed and the display pattern of the LED corresponding to the command is changed (S1
4) Return to the normal process (S15).

Further, when there is an input from the button switch (S4), a change authentication input waiting state (S5) is entered. When the authentication for change is input, if the authentication is unsuccessful, an error message is displayed (S12), and the state again shifts to the button switch input waiting state. When the authentication is successful, the LED display showing the authentication success is displayed (S6), and the process content input waits (S7). When the processing content is input and the input is an input indicating addition or deletion of a schedule, a schedule change processing (S8) described later is performed. Alternatively, if the input is a display, a schedule display process is performed (S13). When the schedule change process (S8) is completed, it is determined whether the input result is correct (S8).
9) If an incorrect result is displayed, an error is displayed (S1
2) If it is correct, a schedule update request signal is transmitted to the central controller 31 (S10). When the transmission is completed, the process returns to the normal process (S15).

Further, the schedule changing process (S8) will be described. In the schedule change process (S8),
The internal state of the switch unit 10 is, as shown in the flowchart of FIG. 9, a change type input waiting state (S8
1), control type input waiting state (S82) address input waiting state (S83), control operation input waiting state (S84),
Setting contents input waiting state (S85), time input waiting state (S76), schedule number input waiting state (S88)
Therefore, the internal state transits according to the input from the button unit.

First, the schedule change process (S
In 8), the process waits until the schedule change type is input by inputting from the button switch (S81). As the change type, whether the change of the time schedule in the schedule unit is addition or deletion is input. If the input is deletion, the process enters a schedule number input waiting state waiting for the input of the schedule number to be deleted (S8).
8). In this state, when the schedule number indicating which schedule is to be deleted is input, the schedule deletion process is performed (S89). In the schedule deletion process in the switch unit 10, a schedule deletion request signal is transmitted to the central controller 31.

On the other hand, when the input for changing the schedule is additional, the control type input waiting state is waited for the input of the control type (S82). In this state, the control performed by the load 32 to be controlled waits for the input of the control type indicating which of the individual control, the group control and the pattern control is performed. If the input from the button switch is group control or pattern control, the information is stored and the control operation input waiting state is entered (S8).
4). Alternatively, when the input from the button switch is the individual control, the address input waiting state is waited for for the next input address (S83). When an address is input in this address input waiting state, the information is also stored and the control operation input waiting state is entered (S84).

In the control operation input waiting state (S84), whether the operation of the load 32 to be controlled is turned ON or OFF is input. When the control operation is input, a setting content input waiting state is entered (S85). In this state, if the time schedule you want to add takes on a day of the week, you can enter the day of the week. Further, it is possible to specify and input a plurality of days such as Saturday and Sunday, in addition to specifying and specifying only Monday. When the setting contents as described above are input, a time input waiting state is entered (S87).

In the time input waiting state (S87), the time indicating the start or end time is input. When this time is input, all the information necessary for adding the time schedule in the schedule unit 20 is prepared, so that the schedule adding process is performed (S87). In the schedule addition process in the switch unit 10, the schedule addition request signal is transmitted to the central control device 31.

In this way, the schedule change process (S
8), additional processing in the switch unit 10 (S8
7) or the deletion process (S89) is executed, and the time schedule is added or deleted in the schedule unit 20.

Next, a specific button switch operation for the above-mentioned schedule changing process (S8) in the switch unit 10, the flowchart of FIG. 9 for explaining the above-mentioned schedule changing operation, and FIG. This will be described with reference to FIG. Note that the switch unit 10 of the present embodiment has four components as shown in FIG.
Two button switches 141, 142, 143, 144
On the upper side of each button switch, two red and green LEDs 15a, 15b are arranged, one each on the left and right, for a total of eight.

As described above, in the input process (S8) of the switch unit 10, first, the change type input waiting state (S81) is entered. The information that the button switch input in this state means is assigned as shown in FIG. That is, when it is desired to perform the process of adding the schedule, the uppermost button switch 141, which means "addition" of the change type, may be pressed. In this case, when the button switch 141 is pressed, the change type is input, the information indicated by the input of the button switch is changed, and the information is allocated as shown in FIG. 10 (A-2). . In this state, by pressing the button switch 144 at the bottom that means "determine", the state transitions to the control type input waiting state (S82).

If the user wants to delete the schedule, he / she may press the second button switch 142 from the top, which means the change type "delete". Also in this case, the change type is input, the information indicated by the button switch input is changed, and the information is allocated as shown in FIG. 10A-2. This state corresponds to the schedule number input waiting state (S88). When the schedule number to be deleted is input here and the determination button 144 at the bottom is pressed, the control type input waiting state (S82) is entered. Will transition. Note that the schedule number is recognized by pressing the top button switch 141 three times within a fixed time when, for example, "3" is desired to be input.

The operation principle is the same in the next control type input waiting state (S82). That is, the input of the top button switch 141 is “individual control”, the second button switch 142 from the top is “pattern control”, and the top 3 is from the top.
The second button switch 143 means “group control”, one of the buttons is pressed, and the bottom button switch 144 means “determine”.
By pressing, the control type has been input, and the control operation input waiting state (S84) is entered. Note that when the uppermost button switch 141, which means “individual control”, is pressed, the state shifts to the address input waiting state (S83), the information that the button switch input means is changed, and FIG. B-2) is assigned. In this state, for example, when it is desired to input the address "1-1", the second button switch 142 from the top and the third button switch 143 from the top may be pressed once. In the case of "pattern control", for example, if "P2" is desired to be input, the second button switch 142 from the top may be pressed twice. In the case of "group control", it may be the same as the pattern control. When the button switch 144 that means “decision” at the bottom is pressed after being input in this way, it means that the control type has been input, and the control operation input waiting state (S8
4) and the control operation input waiting state (S8
Also in 4), the information indicated by the input of the button switch is allocated as shown in FIG.
Also in this case, when the button switch indicating “ON” or “OFF” is selected and the enter button is pressed, the state transits to the setting content input waiting state (S85).

In the setting content input waiting state (S85), the information indicated by the button switch input is allocated as shown in FIG. 11 (D). In this case, the number of times the button switch 141 at the top is pressed within a predetermined time corresponds to each day of the week. For example, if the number of times the button switch 141 is pressed once within a predetermined time is three times on Monday. For example, it means Wednesday. When designating a plurality of days of the week, for example, when designating “Tuesday and Wednesday”, the uppermost button switch 141 is pressed twice, and then the button switch 143 which means the third AND from the top is pressed. Then, the uppermost button switch 141 may be pressed again three times. When the input is determined and the determination button at the bottom is pressed, the state transitions to the time input waiting state (S87).

In the time input waiting state (S87), as shown in FIG.
As shown in (E), the information that the button switch input means is assigned. Again, for example, "8:01
When it is desired to specify "0 minutes", the uppermost button switch 141 that means "hour" is pressed eight times, and then the second button switch 142 that means "minute" from the top is pressed 10 times. Is determined, and by pressing the determination button at the bottom, it is checked whether or not the input is correctly performed, and the process proceeds to the schedule addition process of sending the schedule addition request signal to the central control unit 31.

In this way, the time schedule information is input to the switch unit 10 and the schedule change processing (S8) such as addition or deletion is performed. Although not mentioned in the above description,
When there is an input error, the error is notified by an LED pattern indicating an error display in cooperation with the LED display unit 15. Further, in the present embodiment, the number of button switches arranged in the switch unit is four, but even in cases other than the above, it is possible to input the schedule by changing the meaning assigned to the button switches. It is easily estimated that there is.

The remote monitoring control system of the present invention is
The present invention is not limited to the above, and various modifications may be made without departing from the scope of the present invention, such as a configuration in which a schedule unit is incorporated in a central controller as shown in FIG. Of course.

[0049]

As described above, in the remote monitoring control system according to the first aspect, the transmission signal indicating the schedule change request transmitted from the signal line forming the remote monitoring control system in the schedule unit is transmitted. Since the time schedule received and stored in advance is changed, the operator can change the schedule without going to the place where the schedule unit is installed.

In the remote monitoring control system according to the second aspect, whether the signal indicating the schedule change request received by the schedule unit is a signal for adding a schedule or a signal for deleting a schedule. Is determined, there is an effect that a preset process is executed in the schedule unit.

Further, in the remote monitoring control system according to the third aspect of the invention, in the schedule unit, the control type, the control operation, and the time schedule of the time schedule information stored based on the signal indicating the schedule change request are stored. Since the information is changed, it is possible to change the application control settings such as individual ON / OFF control of a predetermined terminal, group control, and pattern control at a predetermined time.

Further, in the remote monitoring and control system according to the fourth aspect, of the switch units connected to the signal line, only a specific switch unit having the function thereof is used to instruct to change the schedule. Since the signal is transmitted, it is possible to replace only the desired switch unit among the conventional switch units so as to add the above-described function.

Further, in the remote monitoring control system according to the fifth aspect, since the time schedule is also input by operating the button switch for operating the load provided in the switch unit main body, There is an effect that the schedule can be changed only by the existing device without providing various devices or means.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram of a remote monitoring control system according to an embodiment of the present invention.

FIG. 2 is a block diagram of a switch unit of the system.

FIG. 3 is an external view of a switch unit of the system.

FIG. 4 is a block diagram of a schedule unit of the system.

FIG. 5 is a flowchart illustrating an outline of operation of a schedule unit of the system.

FIG. 6 is an explanatory diagram related to a time schedule table of the system.

FIG. 7 is a communication sequence diagram showing communication related to schedule change of the system.

FIG. 8 is a flowchart illustrating an outline of operation of the switch unit of the system.

FIG. 9 is a flowchart illustrating a schedule changing operation of the switch unit of the system.

FIG. 10 is an explanatory diagram showing a schedule input operation of the switch unit of the system.

FIG. 11 is an explanatory diagram showing a schedule input operation of the switch unit of the system.

FIG. 12 is a schematic configuration diagram of a conventional remote monitoring control system.

FIG. 13 is a block diagram of a switch unit in a conventional remote monitoring control system.

FIG. 14 is a block diagram of a schedule unit in a conventional remote monitoring control system.

FIG. 15 is an operation explanatory diagram showing a transmission signal used in the remote monitoring control system according to the embodiment of the present invention.

FIG. 16 is a schematic configuration diagram of a remote monitoring control system according to another embodiment of the present invention.

[Explanation of symbols]

1 Remote monitoring and control system 10 schedule units 20 switch units 32 load 33 Control terminal Ls signal line

Continued front page    F term (reference) 3K073 AA73 AA75 CB01 CC22 CC24                       CE06 CE16 CG07                 5K048 AA04 BA07 BA51 DC04 EB01                       EB02 EB03 EB06 EB11 FB10                       HA01 HA02

Claims (5)

[Claims] 1. A central control unit for centrally managing transmission signals, a control terminal to which a load to be controlled is connected, a switch unit serving as an operating terminal for the load, and the load according to a pre-stored time schedule. , And a schedule unit for controlling each terminal are connected via two signal lines, and the central control unit transmits a transmission signal including address data specifying each terminal in a time division manner to individually access each terminal. A remote monitoring control system for monitoring the state of the operation terminal such as the switch unit and transmitting a transmission signal including control data to the control terminal according to the operation of the switch unit to control the operation of the load. The schedule unit receives the transmission signal indicating the schedule change request transmitted from the signal line, and receives the time schedule. Remote monitoring control system, characterized in that to change the Le. 2. The remote monitoring control system according to claim 1, wherein the transmission signal indicating the schedule change request is a signal for instructing addition or deletion of a schedule. 3. The remote monitoring control according to claim 2, wherein the signal instructing the addition of the schedule includes at least information on a control type such as individual control or group control, load control operation, and time. system. 4. The remote monitoring control system according to claim 1, wherein a plurality of the switch units are provided and only a specific switch unit transmits a transmission signal indicating the schedule change request to the signal line. 5. The switch unit is provided with a plurality of button switches for operating a load,
The remote monitoring control system according to claim 4, wherein the button switch is also used for inputting the time schedule.