JPH09331171A - Remote monitoring and control device having circuit unit with identification function - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a distant monitoring control apparatus in which an electronic circuit is formed into a circuit unit for each function, a plurality of the circuit units are combined and arranged, and they are connected to each other.

[0002]

2. Description of the Related Art When a distant monitoring control device is composed of a computer device, a plurality of circuit units of a necessary type are arranged and connected in accordance with the number and type of input / output information of the distant monitoring control device to connect the computer device. The type and arrangement of the circuit units are set in the storage device by a setting tool.

[0003]

The distant monitoring and control device constructed by a computer device is a computer device by a setting tool whenever the number and type of input / output information of the distant monitoring control device is additionally changed. The contents of the storage device must be changed. The present invention has been made in view of the above points, and an object thereof is to set a tool each time an additional change occurs in the number and type of input / output information of a remote monitoring and control device configured by a computer device. Is to provide a distant monitoring control device which does not need to additionally change the contents of the storage device of the computer device.

[0004]

In order to achieve the above object, in the first aspect of the invention, an electronic circuit for executing at least input / output of information among the functions of the remote monitoring and control device is constituted by a circuit unit, respectively. Identification means for electrically identifying the function of the circuit unit is provided. It is assumed that a plurality of these circuit units are arranged in combination and connected to each other to execute the functions of the remote monitoring control device.

According to a second aspect of the invention, in the remote monitoring and control apparatus described in the first aspect of the invention, processing functions for executing input / output of information among a plurality of functions are classified by input / output circuit unit, and this processing is performed. It is assumed that the function is a processing unit, and the processing units are combined and arranged according to the identification of the identification unit of the circuit unit to execute input / output of information.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION

[First Embodiment] FIG. 1 shows the configuration of an embodiment of a remote monitoring and control apparatus having a circuit unit with identification function according to the first invention, which is composed of a computer apparatus. The remote monitoring and control device connects a plurality of types of electrical signals to a plurality of transmission media.

The remote monitoring and control device 1 includes an input / output device 21,
22 and the storage device 3 and the control device 4 which indicates other devices constituting the computer device. The input / output device 21 connected to the transmission medium represents a circuit unit 211, and the circuit unit 211 includes an identification unit 2111. The input / output device 22 connected to the electric signal is a circuit unit 221, ...
... 22N, and this circuit unit 221 ...
.. 22N are identification means 2211, ..
With N1.

FIG. 2A shows an example of the external appearance of the distant monitoring control device. The remote monitoring and control device includes a plurality of circuit units that can be inserted into and removed from the housing (aaa, bbb, in FIG. 2A).
, cyy, ..., yyy, zzz are shown). In the housing of the remote monitoring and control device, a connector for connecting to the circuit unit and wiring for connecting a plurality of circuit units to each other (usually constituted by the connector and the printed wiring board, etc., and called a mother board), Equipped with.

FIG. 2B shows an example of the appearance of the circuit unit. The circuit unit shown in FIG. 2B illustrates an example in which the circuit unit is composed of printed wiring, electronic components, a tooth connector, and a front plate (the name of the circuit unit is displayed on the front plate). The circuit unit shown in FIG. 2 (b) is provided with identification means.

An example of the identification means is shown in FIGS. 2 (c) and 2 (d). FIG. 2B is an example in which pins are mounted on the printed wiring board, and FIG. 2D is an example in which switches are mounted on the printed wiring board. The identification means is composed of a first setting device and a second setting device. The first setting device is a plurality of digits (FIG. 2 (c) that represents a code uniquely defined for the function or name of the circuit unit (for example, displayed on the front plate of FIG. 2 (b)). 2) and FIG. 2D, the binary number has four digits, the binary number "1" has a voltage of 5V, and the binary number "0" has a voltage of 0V). .

The second setter is a plurality of digits (FIG. 2) representing the insertion position number (slot number) indicating the insertion position of the circuit unit in the housing of the distant monitoring control device by a binary number.
In the setter illustrated in (c) and FIG. 2 (d), the binary number has four digits, the binary number "1" is 5V, and the binary number "0".
Is set to 0V). FIG. 2 (b)
Is a binary digit consisting of three pins in a row, the central pin is connected to a voltage of 5V or a voltage of 0V, and the setting (in the example of FIG. 2B, the setting value "0111" is set). Show).

In FIG. 2D, the voltage of 5 is set by the switch.
It is connected to V or a voltage of 0 V and set (in the example of FIG. 2C, a set value “0111” is shown). FIG. 3 shows an example of the connection between the circuit unit and the mother board of the housing of the remote monitoring and control device. The mother board has wirings (commonly called a bus interface) commonly connected to the circuit units.

FIG. 3 shows a bus interface 1 related to the function or name of the circuit unit and a bus interface 2 related to the insertion position number of the circuit unit.
The second setting device of the circuit unit applies a voltage of 5 V to the first setting device when the set value of the insertion position number set for itself and the binary number input from the bus interface 2 match.

By applying the voltage of 5V, the first setting device outputs the code of the function or name of the circuit unit to be set to the bus interface 1 by itself. As described above, the control unit 4 of the remote monitoring control unit 1 of FIG. 1 outputs the insertion position number of the circuit unit to the bus interface 2 and inserts it into this insertion position number from the bus interface 1. Function, or name code,
It is stored in the storage unit 331 of the storage device 3.

[Second Embodiment] The function of the remote monitoring and control apparatus having a circuit unit with an identification function, which is constituted by a computer apparatus according to the second invention, will be described with reference to FIG. 1. The storage apparatus 3 of the computer apparatus stores information. .., 32N (in FIG. 1, processing units 311 and 321, ..., 32N, programs for executing and processing these processing functions are classified by input / output circuit units). , 32N), each of which has a storage area.

The storage device of the computer device has an area of the storage unit 331 which stores the insertion position number of the circuit unit and the function code of the circuit unit with identification function. The control device 4 of the distant monitoring control device 1 first (for example, immediately after completion of initial processing at power-on) sequentially designates the insertion position number of the circuit unit by the bus interface 2 to identify the circuit unit with identification function. Function codes are collected from the bus interface 1, and the insertion position number and the function code of the circuit unit with identification function are combined and stored in the storage unit 331 respectively.

The control device 4 of the distant monitoring control device 1 immediately after the completion of this process, the predetermined distant monitoring control device 1
The program that executes the function of is executed. FIG.
An example of the stored contents of the storage unit 331 is shown in (a). The function code of the circuit unit with the identification function of the insertion position number 01 is aaa (for example, the code that uniquely defines the combination of the transmission method, the transmission speed, and the communication method), and the identification function of the insertion position number 09. The function code of the attached circuit unit is ccc (for example, a code that uniquely defines the type and level of input), and the function code of the circuit unit with the identification function of the insertion position number 11 is yyy (for example, , The type of output and the level that uniquely define the level).

FIG. 4B shows a part of the flow of a program that implements the functions of the remote monitoring control device 1 of the control device 4. The processing program included in the processing unit 311 is a program for executing communication processing. In the control device 4, the function code is aaa based on the contents stored in the storage unit 331.
The circuit unit with identification function of 1 identifies that the circuit unit is inserted at the insertion position number 01, accesses the circuit unit to be inserted at the insertion position number 01, and executes communication processing.

The processing program included in the processing unit 321 is a program for processing an input. Control device 4
Identifies from the stored contents of the storage unit 331 that the circuit unit with the identification code having the function code of ccc is inserted at the insertion position number 09, the circuit unit to be inserted at the insertion position number 09 is accessed, and the input is made. To process.

The processing program included in the processing unit 322 is a program for processing output. Control device 4
Identifies from the stored contents of the storage unit 331 that the circuit unit with an identification function whose function code is yyy inserts at the insertion position number 11, accesses the circuit unit to be inserted at the insertion position number 11, and outputs the output. To process.

[0021]

According to the first aspect of the invention, the circuit unit 211, the circuit unit 221, and the circuit unit 211, which constitute the remote monitoring and control device,
..... 22N1 ..... 22N1. The control unit 4 of the distant monitoring control unit 1 outputs the insertion position number of the circuit unit to the bus interface 2 for the bus interface.
The function code or the name code output from the identification unit of the circuit unit to be inserted at this insertion position number is received from the switch 1 and stored in the storage unit 331 of the storage device 3.

The remote monitoring control device can set the type and arrangement of the circuit units in the storage device without using the setting tool. According to the second invention, the storage device 3 of the computer device classifies the processing functions for processing the input / output of information by the input / output circuit unit, and the processing units 311, 321 execute programs for executing the processing functions. ...
., 32N, each having a storage area.

The control device 4 of the remote monitoring control device 1 is initially (for example, immediately after completion of initial processing at power-on).
In addition, the bus interface 2 sequentially specifies the insertion position numbers of the circuit units, collects the function code of the circuit unit with the identification function from the bus interface 1, and adds the insertion position number and the identification function. The functional code of the circuit unit is paired and stored in the area of the storage unit 331.

The control unit 4 of the distant monitoring control unit 1 is located at the head of the processing unit when the function of the distant monitoring control unit is executed according to the program included in the processing unit. 331
The stored content is collated with the function code, the circuit unit to be inserted into the insertion position number of the circuit unit with identification function to which this function code is attached is accessed, and the program execution processing is performed.

The remote monitoring and control device can immediately execute the function without using the setting tool even when the circuit unit is additionally changed.

[Brief description of drawings]

FIG. 1 is a configuration diagram of an embodiment of a distant monitoring control apparatus having a circuit unit with identification function according to the first invention and the second invention.

FIG. 2 is an external view of an embodiment of a circuit unit with an identification function, an identification means, and a remote monitoring control device according to the first invention and the second invention.

[FIG. 3] Bus interface 1 and bus interface
Connection diagram of an embodiment of the connection between the monitor 2 and the identification means

FIG. 4 is a diagram showing a program flow of a storage unit and a processing unit.

[Explanation of symbols]

 1 distant monitoring control device 3 storage device 4 control device 21, 22 input / output device 51 first setting device 52 second setting device 211, 221, ... 22N circuit unit 311, 321, ... 32N processing Unit 331 Storage unit 2111, 2211, ... 22N1 setting means

Claims (2)

[Claims] 1. A remote monitoring control device is classified into a plurality of functions,
Of these functions, at least an electronic circuit that executes input / output of information is configured by a circuit unit, and a plurality of circuit units are combined and arranged, connected to each other, and remote monitoring control that executes the function of the remote monitoring controller is executed. A remote monitoring and control apparatus having a circuit unit with an identification function, characterized in that the apparatus is provided with identification means for electrically identifying the function of the circuit unit. 2. A remote monitoring control device having a circuit unit with identification function according to claim 1, wherein a processing function for executing input / output of information among a plurality of functions of the remote monitoring control device is provided for each circuit unit. A circuit unit with a discriminating function, which is characterized in that the processing functions are classified into processing units, the processing units are combined and arranged according to the discrimination of the circuit unit discriminating means, and input / output of information is executed. Remote monitoring and control equipment.