JPH08322093A - Remote control monitoring system - Google Patents

Abstract

PURPOSE: To correctly write the control data into a central controller to perform the batch control of a load set including plural loads. CONSTITUTION: This monitoring system includes a central controller 1, a 1st monitoring terminal equipment 3 which monitors the operation state of a switch 6, a control terminal equipment 5 which controls the loads 10 based on the operation state of the switch 6, an input means 2 which functions to write the control data into the controller 1 to perform the batch control of a load set including plural loads 10, a control switch 7 which is operated to perform the batch control of the load set based on the control data, and a 2nd monitoring terminal equipment 4 which monitors the operation state of the switch 7. These quipments 3 to 5 and means 2 are connected to the controller 1 via a signal line L. In such a constitution of the system, the means 2 regulates the time-division multiplex transmission of the transmission signals that can transfer the data to the equipments 3 to 5 from the controller 1 via the line L while the control data are inputted. Then the means 2 performs the time- division multiplex transmission of the pseudo transmission signals that cannot transfer the data.

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 for monitoring the operating state of a switch and controlling a load based on the operating state of the switch.

[0002]

2. Description of the Related Art Conventionally, there is a remote monitoring control system of this type shown in FIG. This is a transmission unit (central control unit) A, a first monitoring terminal C that monitors the operating state of the switch B, and a control terminal E that controls the load D based on the operating state of the switch B. And multiple loads
Input switch F that is operated to write control data for collectively controlling the load set consisting of D to transmission unit A
And a second monitoring terminal G that monitors the operating state of the input switch F, a control switch H that is controlled to collectively control the load set based on the control data, and the operating state of the control switch H. And a third monitoring terminal J 1, which is connected to the transmission unit A by a signal line L. The first to third monitoring terminals C, G, J and the control terminal E are connected to the transmission unit A by a signal line L. Then, the input switch F 1 and the second monitoring terminal G 1 constitute an input means K 1 for inputting control data.

More specifically, the first to third monitoring terminals C,
The G, J and the control terminal E carry out monitoring or control by carrying data by time-division multiplexing transmission of a transmission signal from the transmission unit A via a signal line L. Then, once the control data is written in the transmission unit A by the input operation of the input switch F, the load set consisting of the plurality of loads D is collectively controlled based on the control data by controlling the control switch H. .

[0004]

In the conventional remote monitoring control system described above, the input switch E is switched to the input mode for inputting control data while the transmission signal is being time-division multiplexed. When writing the control data into the transmission unit A by inputting, the first monitoring terminal
When the switch B monitored by C is operated to carry data by the time-division-multiplexed transmission signal, the transmission unit A transmits the data of the transmission signal by the input operation of the input switch E. The control data is mistakenly judged as control data and the control data is correct
Will not be written to.

The present invention has been made in view of the above circumstances, and an object of the present invention is to remotely write control data for collectively controlling a load set including a plurality of loads into a central control unit. To provide a supervisory control system.

[0006]

In order to solve the above-mentioned problems, according to a first aspect of the present invention, a central control unit, a first monitoring terminal device for monitoring the operation state of the switch, and a load switch. Control terminal for controlling the load set based on the operation state, input means for inputting control data for collectively controlling the load set consisting of a plurality of loads to the central control unit, and the load set based on the control data. A control switch that is controlled to perform collective control and a second monitoring terminal that monitors the operating state of the control switch are provided, and each monitoring terminal, control terminal, and input means are centralized by a signal line. In the remote control monitoring system connected to each of the control devices, the input means receives a transmission signal capable of carrying data from the central control device while the control data is being input. The signal line is set to underneath configured as to regulate the being time-division multiplexing transmission in a time division multiplex transmission haul non pseudo transmission signal of the data to the terminal device side.

According to a second aspect of the present invention, in the first aspect, the input means is provided with a data display section for displaying the control data when an input operation is performed.

According to a third aspect of the present invention, in the first aspect, the input means is provided with a switch operation display section for indicating an operation state of the switch during the input period.

[0009]

According to the first aspect of the present invention, during the input operation of the control data, the input means regulates the transmission of the data-carryable transmission signal from the central control unit to the terminal side. Since the pseudo transmission signal that cannot carry data is transmitted, even if the switch is operated, the data due to the operation is not carried.

According to the second aspect of the present invention, when the input operation is performed, the control data is displayed on the data display section of the input means, so that it can be confirmed whether or not the data is erroneously input.

According to the third aspect of the present invention, it is possible to confirm the operated switch by displaying the switch operated during the input operation in which no signal is transmitted, on the switch operation display section of the input means. The switch can be operated again after being operated.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described with reference to FIGS. This is a transmission unit (central control unit)
1, setting unit (input means) 2, first monitoring terminal
3, second monitoring terminal 4, control terminal 5, switch 6
, The control switch 7 is provided.

The transmission unit (central control unit) 1 is connected to the first monitoring terminal device 3, the second monitoring terminal device 4 and the control terminal device 5 via the setting unit 2 by a pair of signal lines L. Connected and pulse-modulated of a transportable transmission signal such as control data is transmitted and received by time division multiplex transmission.

The setting unit 2 regulates the transmission of the transmission signal from the transmission unit 1 to the terminal side while the control data is being input, and transmits the pseudo transmission signal which cannot carry data to the terminal side. The power supply 21, the input side signal transmission / reception circuit 22, the output side signal transmission / reception circuit 23, the CPU 24,
Mode switching operation unit 25, input operation unit 26, data display unit 27,
A switch operation display unit 28 is provided. The power supply 21 supplies power to operate the setting unit 2. The input-side signal transmitting / receiving circuit 22 transmits / receives the transmission signal, which is time-division multiplexed, to / from the transmission unit 1. The output side signal transmission / reception circuit 23 transmits / receives the transmission signal subjected to the time division multiplex transmission to / from each of the terminals 3, 4 and 5 except during the time when the control data is input-operated. Then, while the control data is input,
The pseudo transmission signal which is time division multiplexed and transmitted is transmitted / received to / from each of the terminals 3, 4, and 5. This pseudo transmission signal is one in which control data and the like cannot be carried. The CPU 24 regulates the transmission of the transmission signal subjected to the time division multiplex transmission to the terminal side while the control data is input and operated. Mode switching operation unit 25
Is to switch between an input mode in which control data can be input and an execution mode in which loads can be collectively controlled based on the control data. The input operation unit 26 is for inputting control data so that the control data is written in the transmission unit 1. The data display unit 27 displays the control data when the input operation is performed. Switch operation display section 28
Displays the operation status of switch 6 during the input period.

A channel (not shown) represented by unique address data is assigned to the first monitoring terminal device 3 so that it can be identified by the transmission unit 1, and a switch 6 is provided for each channel. Are connected. The monitoring terminal device 3 monitors the operation state of the switch 6 and transmits / receives a transmission signal to / from the transmission unit 1.

Like the first monitoring terminal device 3, the second monitoring terminal device 4 is assigned a channel (not shown) represented by unique address data and is identified by the transmission unit 1. The control switch 7 is connected to each channel. This second monitoring terminal
Reference numeral 4 monitors the operating state of the control switch 7, and transmits / receives a transmission signal to / from the transmission unit 1.

Like the first and second monitoring terminals 3 and 4, the control terminal 5 is assigned a channel (not shown) represented by the unique address data, and the transmission unit
The load 10 such as an electric device is connected to each channel. The control terminal 4 controls the operation of the load 10 and transmits / receives a transmission signal to / from the transmission unit 1.

The switch 6 is provided with an operating portion 6a for operating the load 10. Control switch 7
A plurality of loads 10 are collectively controlled. A plurality of loads are collectively controlled. For example, an operation unit 7a that is operated to collectively control the plurality of loads based on control data for pattern control or group control is provided.

Next, the operation of the setting unit 2 will be described with reference to FIG. FIG. 3 is a flow chart showing the operation of the setting unit 2 that is input-operated so that the control data for collectively controlling the load set consisting of the plurality of loads 10 is written to the transmission unit 1. When the mode switching operation unit 25 is operated and the setting unit 2 is switched from the execution mode to the input mode, the CPU 24 restricts the transmission of the transmission signal time-division multiplexed from the transmission unit 1 to the terminal side. Then, by operating the input operation unit 26, the control data is written in the transmission unit 1. At this time, the data display unit 27 displays the control data input and operated. When the mode switching operation unit 25 is operated, the input mode is changed to the execution mode, and the CPU 24 releases the restriction on the terminal side of the transmission signal time-division multiplexed transmitted from the transmission unit 1.

In such a remote control monitoring system,
While inputting control data, the setting unit 2
Even if the switch 6 is operated, even if the switch 6 is operated, the data transmitted by the transmission unit 1 is controlled by restricting the transmission of the data-transportable transmission signal to the terminal side and transmitting the pseudo-transmission signal that cannot transport the data. Is not carried, and the transmission unit 1 does not mistakenly judge the carried data as control data as in the conventional example, and the control data for collective control is correctly written.

Further, when the input operation is performed, the control data is displayed on the data display section 27 of the setting unit 2 so that it can be confirmed whether or not the input is made by mistake.

Further, the operated switch 6 can be confirmed by displaying the operated switch 6 on the switch operation display section 28 of the setting unit 2 during the input operation in which no signal is transmitted. The switch 6 can be operated again after being operated.

In this embodiment, the setting unit 2 is
Although the data display unit 27 that displays the control data when the input operation is performed is provided, it may not be provided when it is not necessary to confirm whether or not the input is made by mistake. Will be easier.

Further, in this embodiment, the setting unit 2 is
Although the switch operation display section 28 that indicates the operation state of the switch 6 during the input period is provided, it may not be provided when it is not necessary to operate the operated switch 6 again, and in that case, the It will be easier.

[0025]

According to the first aspect of the present invention, while the control data is being input, the input means regulates the transmission of the data-carrying transmission signal from the central control unit to the terminal side. Since a pseudo transmission signal that cannot carry data is transmitted, even if the switch is operated, the data due to the operation is not carried, and the central control unit mistakes the carried data as control data. Therefore, the control data for collective control can be correctly written.

According to the second aspect, in addition to the effect of the first aspect, since the control data is displayed on the data display section of the input means when the input operation is performed, the data is erroneously input. You can check if there is not.

According to a third aspect of the present invention, in addition to the effect of the first aspect, a switch operated during an input operation in which no signal is transmitted is displayed on the switch operation display section of the input means. The operated switch can be confirmed, and the switch can be operated again after being input.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram of an embodiment of the present invention.

FIG. 2 is a block diagram of a setting unit of the above.

FIG. 3 is a flowchart showing an operation of the same.

FIG. 4 is a perspective view of the above setting unit.

FIG. 5 is a schematic configuration diagram of a conventional example.

[Explanation of symbols]

 1 Transmission unit (central control unit) 2 Setting unit (input means) 27 Data display section 28 Switch operation display section 3 First monitoring terminal 4 Second monitoring terminal 5 Control terminal 6 Switch 7 Control switch 10 Load L signal line

Claims (3)

[Claims] 1. A central control unit, a first monitoring terminal device for monitoring an operating state of a switch, a control terminal device for controlling a load based on an operating state of the switch, and a load set including a plurality of loads. Input means for inputting control data for collectively controlling the load control to a central control unit, a control switch for collectively controlling the load set based on the control data, and an operation state for monitoring the control switch. In the remote control monitoring system, wherein the monitoring terminal and the control terminal and the input means are connected to the central control device by signal lines respectively, the input means includes the control data. During the input operation of the data, the central control unit is controlled to prevent the data-carrying transmission signal from being time-division-multiplexed and transmitted to the terminal side by the signal line. Remote control and monitoring system characterized in that none to time division multiplex transmission haul non pseudo transmission signal. 2. The remote control monitoring system according to claim 1, wherein the input means is provided with a data display section for displaying the control data when an input operation is performed. 3. The remote control monitoring system according to claim 1, wherein the input unit is provided with a switch operation display section that indicates an operation state of the switch during the input period.