JP2003295940A - Plant monitoring control operation system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a plant monitoring control operation system which is compact in size and improved in maintenance and reliability. <P>SOLUTION: A process control device 13 which controls plant equipment 15 connected via a network substrate 14 is connected with a graphic controller device 12 via a bass device 18. The graphic controller device 12 displays information the process control device has on a display device 16 and gives information on an operation to the process control device 13 from an input device 17. A maintenance device 23 connected with the graphic controller device 12 receives and transmits programs and data to the process control device 13. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plant monitoring control operating system for monitoring the operation of a process.

[0002]

2. Description of the Related Art Generally, a plant is controlled by a plurality of process control devices, and the plurality of process control devices are connected via a network board, and a man-machine interface device is connected to the network board. It is designed to monitor and control.

That is, a man-machine interface device for display operation is provided separately from the process control device in order to display the information possessed by the process control device controlling the plant and to give operation information to the process control device. To be As the man-machine interface device, a personal computer, a workstation, or a dedicated display device is usually used.

[0004]

However, since the process control device and the man-machine interface device have different architectures, it is necessary to set a protocol for exchanging data and separate devices. There was a space limitation. In addition, since data is exchanged with the man-machine interface device via the network board, a network board for that purpose is required.

An object of the present invention is to provide a graphic controller device for displaying and operating information of a process control device on a unit chassis of the process control device by connecting it with a bus device, thereby improving compactness and maintainability and reliability. It is to provide a plant monitoring control operation system.

[0006]

A plant monitoring control operation system according to the invention of claim 1 is a process control device for controlling plant equipment connected by connecting via a network board, the process control device and a bus. A program and data transmission / reception between a graphic controller device which is provided via a device and which displays information held by the process control device and gives operation information to the process control device, and the process controller which is connected to the graphic controller device. It is characterized in that a plurality of plant monitoring control operation devices each including a maintenance device for performing the above are connected via the network board.

In the plant monitoring control operation system according to the invention of claim 1, the process control device for controlling the plant equipment connected and connected via the network board is connected to the graphic controller device via the bus device. It The graphic controller device displays information possessed by the process control device on a display device, and gives operation information to the process control device from an input device. In addition, the maintenance device connected to the graphic controller device,
It exchanges programs and data with the process control equipment. Since the graphic controller device having the man-machine interface function is connected to the process control device by the bus device, high-speed connection is possible, and cooperation between the man-machine interface function and the process control function is enhanced.

According to a second aspect of the present invention, there is provided a plant monitoring control operation system according to the first aspect, wherein the graphic controller device fetches information from the process control device connected via the bus device and displays it. And the input information from the input device is transmitted to the process control device.

According to a third aspect of the present invention, there is provided a plant monitoring control operation system according to the first aspect, wherein the graphic controller device determines a function type of the maintenance device and determines a program or data transmitted from the maintenance device. Based on the upload request or the download request, the program type or data type for uploading or downloading is determined, and the program or data in the subdivided area of the rewritable nonvolatile memory is uploaded or downloaded.

In the plant monitoring control operation system according to the invention of claim 3, in addition to the operation of the invention of claim 1,
The graphic controller device has a rewritable non-volatile memory, discriminates the type of the maintenance device, discriminates the types of the database and the program, and writes or reads in the area of the non-volatile memory.

According to a fourth aspect of the present invention, there is provided a plant monitoring control operation system according to the first aspect, wherein the maintenance device compares old and new programs and data uploaded or downloaded, and performs another plant monitoring control operation. It is characterized in that the display data of the display device of the device is converted to the data for its own plant monitoring control operating device.

In the plant monitoring control operation system according to the invention of claim 4, in addition to the operation of the invention of claim 1,
The maintenance device compares old and new programs and data uploaded or downloaded, and converts the display data on the display device of another plant monitoring control operating device to that of its own plant monitoring control operating device and displays it. .

According to a fifth aspect of the present invention, there is provided a plant monitoring control operation system according to the first aspect of the present invention.
It is characterized in that the input device and the display device are shared by one plant monitoring control operating device.

In the plant monitoring control operation system according to the invention of claim 5, in addition to the operation of the invention of claim 1,
By sharing the input device and the display device with at least two plant monitoring control operating devices and automatically connecting with the normal plant monitoring control operating device, reliability by multiplexing the information providing system for one input device and the display device To improve the sex.

According to a sixth aspect of the present invention, there is provided a plant monitoring control operating system according to the first aspect, wherein the plant monitoring control operating device has one or a plurality of graphic controller devices. One or more input devices and display devices are connected to the device.

In the plant monitoring control operation system according to the invention of claim 6, in addition to the operation of the invention of claim 1,
1 or 1 of a plurality of graphic controller devices
By connecting one or more input devices and display devices to one graphic controller device,
A plant monitoring control operation system according to the invention of claim 7, which enables multi-display and multi-input, multi-functions of information providing system and mutual cooperation between display devices,
In the invention of claim 6, the input device is selectively changed according to a request from the maintenance device.

In the plant monitoring control operation system according to the invention of claim 7, in addition to the operation of the invention of claim 6,
A request from the maintenance device selectively changes the usable input device.

According to an eighth aspect of the present invention, there is provided the plant monitoring control operation system according to the first aspect of the invention, wherein the graphic controller device has a function of executing a control logic of the process control device.

In the plant monitoring control operation system according to the invention of claim 8, in addition to the operation of the invention of claim 1,
The graphic controller device executes the control logic of the process control device and substitutes the control function of the process control device.

[0020]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below. FIG. 1 is an explanatory diagram of a plant monitoring control operating device according to an embodiment of the present invention. FIG. 1A is a configuration diagram of the plant monitoring control operating device, and FIG. 1B is hardware of a graphic controller device. It is a block diagram.

In FIG. 1A, a plant monitoring control operating device 11 includes a graphic controller device 12 and
It comprises a process control device 13 and a network board 14, which are provided in the same unit chassis and connected to each other by a bus device 18.

The plant equipment 15 controlled by the process control device 13 is connected to the network board 14, and control is performed via the network board 14. Further, the graphic controller device 12 is connected to a display device 16 for displaying information from the process control device 13 and an input device 17 for giving operation information to the process control device. The plant monitoring control operating device 11 configured as described above is the network board 1
A plurality of units are connected via 4 to form a plant monitoring operation system.

Next, FIG. 1B is a hardware configuration diagram of the graphic controller device 12. In the graphic controller device 12, the bus connection interface 19 is connected to the process control device 13 and the network board 14 via the path device 18. Connected. The graphic controller device 12 is a CPU that performs various arithmetic processes.
20, an input device control mechanism 21 that processes input data from the input device 17, a display mechanism 22 that performs display processing of display data on the display device 16, a maintenance device 23 that performs maintenance of the process control device 13, and programs and data. A maintenance device interface 24 that exchanges data, a rewritable non-volatile memory 25 that is used when performing arithmetic processing with the maintenance device 23, and a volatile memory 26 that is used when performing arithmetic processing with the process control device 13. Composed of.

FIG. 2 shows the graphic controller device 1.
2 is a software configuration diagram of FIG. The graphic controller device 12 has an OS1 that performs a multitasking function, and the process control device 13 has an OS2. Further, as the input device 17 connected to the graphic controller device 12, a case where a mouse 27 and a touch panel 28 are connected is shown.

OS of the graphic controller device 12
The input / output control task 30 of No. 1 and the input / output control task 31 of the OS 2 of the process control device 13 share the shared memory 29.
And the working memory 32 is used to process the process controller 13
It controls input and output to and from. A control logic 40 for controlling the plant equipment 15 is stored in the OS 2 of the process control device 13, and the execution result of this control logic is fetched by the input / output control task 30 of the OS 1 of the graphic controller device 12. become.

The touch event analysis task 33 inputs touch events from the mouse 27 and the touch panel 28, which are input devices, via the mouse driver 34 and the touch driver 35, analyzes the touch events, and inputs them to the work memory 32. The input / output control task 30 transmits data to the process control device 13.

The maintenance device transmission task 36 is executed by the maintenance device 23.
And the writing to and reading from the flash ROM 38 via the flash ROM driver 37. Further, the display task 39 displays a screen on the display device 16 from the display data from the process control device 13 and the display data downloaded from the maintenance device 23.

Here, the flash ROM 38 is provided with an area for defining the input device 17 to be used, and the maintenance device 23 is provided.
Alternatively, the change request for the input device 17 may be added to the request type of the maintenance device 23 by downloading from the graphic controller device 12. In this case, the maintenance device transmission task 36 receives the input device change request and initializes the mouse driver 34 and the touch driver 35, which are input device drivers, and allocates the input device control mechanism 21. As a result, the input device 17 that can be used is selectively changed according to the request from the maintenance device 23.

Next, FIG. 3 is a detailed diagram of input / output control between the graphic controller device 12 and the process control device 13. Data is exchanged between the graphic controller device 12 and the process control device 13 in the area of the shared memory 29 shared by the bus connection. The input / output control task 31 of the process control device 13 is a task that operates at a fixed cycle, performs input / output processing of the shared memory 29, generates an interrupt signal to the graphic controller device 12, and inputs the graphic controller device 12. The output control task 30 is activated to synchronize the devices.

The input / output control task 30 of the activated graphic controller device 12 transfers the data in the input area of the shared memory 29 to the input area A1 of the work memory 32.
Alternatively, the output data to the process control device 13 updated in the working memory area is copied to the shared memory 2
Write to the output area of 9.

Here, the input area of the work memory 32 from the process controller is a double buffer of A1 or A2 of the input area of the work memory 32. this is,
This is to unify the screen display at a certain time with the input data at a certain time. As a result, the input / output control task 30 controls switching of the input area of the work memory 32 released to the display task 39.

Further, the input area of the shared memory 29 from the process control device can be a double buffer. In that case, the input area switching control is added to the input / output control task 31 of the process control device 13. This makes it possible to realize a form in which the input area copy process by the input / output control task 30 of the graphic controller device 12 is deleted.

FIG. 4 is a flowchart showing the processing contents of the input / output control task 31 of the process control device 13. The input / output control task 31 operates in a fixed cycle, and the shared memory 29
Control logic 4 in the input area from the process controller
The execution result of 0 is copied (S1). Then, the reference area of the control logic 40 is copied to the output area of the shared memory 29 to the process control device (S2). Next, an interrupt signal is generated in the graphic controller device 12 (S3), and the input / output control task 30 of the graphic controller device 12 is activated. Then, it stands by for a fixed period (S4).

FIG. 5 shows the graphic controller device 1.
6 is a flowchart showing the processing contents of the second input / output control task 30. When there is an interrupt from the input / output control task 31 of the process control device 13 (S1), the shared memory 29
The data in the input area from the process control device is copied to either A1 or A2 of the input area of the work memory 32 (S2), and the output area of the work memory 32 to the process control device is controlled in the shared memory 29. Copy to the output area to the device (S3). That is, the output data to the process control device 13 updated in the working memory area is written in the output area of the shared memory 29. Then, the input / output control task 30 saves the number of the next copy area of the work memory 32 (S4), and saves the number of the area of the work memory 29 to be released in the display task 39 (S4).
5). That is, the working memory 3 released to the display task 39
Controls switching of the two input areas.

Next, the touch panel 2 which is the input device 17
Control of screen display by input from 8 will be described.
FIG. 6 is a detailed diagram of control of screen display by input from the touch panel 28.

When a touch input is performed from the touch panel 28, the touch driver 35 inputs it as an event such as an on-touch event or an off-touch event, and the event and the event occurrence coordinates are transmitted to the touch event analysis task 33. The touch event analysis task 33 retrieves the touch field data 41 that defines the touch section and the operation type included in the touch section for each display screen from the received event and its coordinates, and analyzes the operation type. Then, by outputting the operation type as the analysis result to the work memory 32, the process control device 1
3 is notified of the operation and the plant equipment 15 is operated.

On the other hand, the display task 39 is a task that operates in a fixed cycle, and by analyzing the input data of the working memory 32 for a screen switching request from the screen control logic of the control logic 40 of the process controller 13. When judging and switching screens, the display data 42 defining the display position of figures, numerical values, etc., and the address information of the work memory 32 at the input point is read for each display screen, and the screen is displayed with reference to the input data of the work memory 32. Switch. Then, a notification of the completion of screen switching is sent to the working memory 3
Output to 2. When updating the screen, the screen is updated with reference to the input data in the work memory 32.

In the above description, the display task 39 and the touch event analysis task 33 have been described as separate tasks, but they do not have to be separate tasks, and for example, a task including display of button depressions, etc. The touch event analysis may be performed in the same task.

FIG. 7 is a flowchart showing the processing contents of the touch event analysis task 33. First, it is determined whether there is an event from the touch driver 35 (S
1) If there is a touch input, the type of event is determined (S2). This judgment is touch field data 4
1 is performed (S3), and the retrieved operation type is written in the output area of the work memory 32 to the process control device (S4). As a result, the input / output control task 30
Notifying the process control device 13 of the operation and plant equipment 15
Will be operated.

FIG. 8 is a flow chart showing the processing contents of the display task 39.

First, a screen switching request is read from the input area from the process control device of the working memory 32 (S
1) It is determined whether the screen is switched (S2).

The display task 39 is a task that operates at a fixed cycle, and determines a screen switching request from the screen control logic of the control logic 40 of the process control device 13 by analyzing the input data of the working memory 32. (S13-1, S13-2) In the case of screen switching, display data 4 defining the display position of a figure, a numerical value, etc., and the address information of the working memory 32 at the input point for each display screen.
2 is read (S3), the input data of the working memory 32 is acquired (S4), and the screen is displayed (S5). Then, the notification of the completion of the screen switching is output to the working memory 32 (S
6) Wait for a fixed period (S7). On the other hand, step S
In the case of the judgment of 2, if the screen is not switched but the screen is updated, the input data of the working memory 32 is acquired (S8),
The screen is updated (S9).

Next, the graphic controller device 12
The input / output control of the maintenance device 23 will be described. FIG. 9 shows the graphic controller device 12 and the maintenance device 2.
3 is a detailed diagram of input / output control with respect to FIG. The transmission function 43 of the maintenance device 23 transmits to the graphic controller device 12 the download or upload request type and its data type, and the code indicating the type of the maintenance device 23. Upon receiving it, the maintenance device transmission task 36 first determines from the type and data type of the maintenance device 23 whether or not the connection is unauthorized, and if the connection is unauthorized, the maintenance device 23 is executed.
The transmission function 43 is notified that the connection is illegal. When the connection is correct, the maintenance device 23 is notified that transmission can be started.

In the case of a download request, the maintenance device transmission task 36 sequentially writes via the flash ROM driver 37 from the designated address of the flash ROM 38 defined by the system control data of the graphic controller device 12. Maintenance device 2 for system control data
Data downloaded from 3 and flash R
It is composed of an address table of the OM 38 and a code indicating the type of the maintenance device 23.

When the transmission function 43 completes the transmission of all the data, it notifies the graphic controller device 12 of the completion of the transmission, and the maintenance device transmission task 36 receives it and saves the size of the downloaded data. , The stored data is read from the flash ROM 38. Then, the data is transmitted to the maintenance device 23, and the transmission function 43 confirms whether it is the same as the transmitted data.

In the case of an upload request, the maintenance device transmission task 36 reads the data of the size saved at the time of download from the designated address of the control data and sends it to the maintenance device 23.

Next, the conversion function 44 of the maintenance device 23 performs conversion of display data, touch field data, input point address information, etc. of another system database, and also assigns screen numbers. In addition to creating the same screen as other systems, it also has the function of creating a database of another resolution by changing the coordinate information of the display data and touch field data, and the width and height. The converted data is moved to a folder that the transmission function 43 refers to at the time of downloading, and revision information is added and saved together with the conversion source data.

The comparison function 45 of the maintenance device 23 compares the screen data included in the data and the input point address information thereof, and creates a report of the comparison result. Conversion function 4
It is managed as difference information between the databases with revision information created in 4. In cooperation with the transmission function 43, the database downloaded in the graphic controller device 12 is compared with the database uploaded to the graphic controller device 12.

FIG. 10 is a flow chart showing the processing contents of the maintenance device transmission task 36 of the graphic controller device 12. First, it is determined whether there is a download or upload request from the maintenance device 23 to the graphic controller device 12 (S1). If there is a request, the request type, maintenance device type, and data type are determined (S2), and it is determined whether the request is a normal request (S3). If it's an illegal request,
The maintenance device 23 is notified that the connection is illegal (S4).

On the other hand, if the connection is correct, it is determined whether the request is a download or an upload (S5). If it is a download request, data is received from the maintenance device 23 (S6), and writing is sequentially performed from the designated address of the flash ROM 38 defined by the system control data of the graphic controller device 12 (S7). Then, the data downloaded and stored in the flash ROM 38 is stored in the flash ROM 3
8 (S8), and sends it to the maintenance device 23 (S8).
9) It is confirmed whether the data is the same as the data transmitted by the maintenance device 23.

On the other hand, if it is determined in step S5 that the request is an upload request, the data of the size saved at the time of download is read from the designated address of the control data (S10) and sent to the maintenance device 23. Yes (S11).

Next, in FIG. 11, the input device 17 and the display device 1 are composed of two plant monitoring control operation devices 11a and 11b.
8 is a configuration diagram of a plant monitoring control operation system when 8 is shared. FIG. The display device 16 and the input device 1 are provided for the two plant monitoring control operation devices 11a and 11b.
7 are shared. The input device 17 and the display device 16 are connected to the two plant monitoring control operation devices 11a and 11b via the switching device 46. In the case where the switching of the plant monitoring control operating device 11 at the time of failure is performed by automatic switching, when the failure of the plant monitoring control operating device 11 is detected, the switching device 46 operates normally from the failed plant monitoring control operating device 11. The input device 17 and the display device 16 are switched and connected to the plant monitoring control operation device 11.

As a result, the reliability is improved by multiplexing the information providing system for one input device 17 and one display device 16.

FIG. 12 shows a plant monitoring control operating device 11
One or more graphic controller devices 1
2 is provided, and one or a plurality of input devices 17 and display devices 1 are provided for one graphic controller device 12.
It is a block diagram of the plant monitoring control operation system when 6 is connected.

In FIG. 12A, two graphic controller devices 12 are provided in the plant monitoring control operating device 11.
The graphic controller device 12 is provided with a and 12b.
In the figure, “a” is connected to one input device 17a and the display device 16a, and the graphic controller device 12b is connected to one input device 17b and the display device 16b.

Further, in FIG. 12B, one plant controller controller 11 is provided with one graphic controller device 12, and one graphic controller device 12 is provided with two input devices 17a, 17b and two. The display devices 16a and 16b are connected.

As for the graphic controller device 12, the hardware configuration has a plurality of input control mechanisms 21 and the display mechanism 22 in the configuration shown in FIG. 1B, and the software configuration has a plurality of display tasks 39 and the display tasks 39 shown in FIG. An input device driver such as a mouse driver 34 or a touch driver 35 is prepared, and the working memory 32 is configured to have a plurality of configurations. This enables multi-display and multi-input, enables multi-information provision and mutual cooperation between the display devices 16. Next, the control logic 40 of the process control device 13 is executed by the graphic controller device 12. You may make it have a function. FIG. 13 is a configuration diagram of the graphic controller device 12 in which a control logic execution task 47 for executing the control logic 40 of the process control device 13 is added to the graphic controller device 12 shown in FIG. The same elements as those in FIG. 2 are designated by the same reference numerals, and overlapping description will be omitted.

The graphic controller device 12 has an OS1 that performs a multitasking function, and the network board 14 has an OS3. Data is exchanged between the graphic controller device 12 and the network board 14 in the area of the shared memory 29 shared by the bus connection. The input / output control task 30 of the graphic controller device 12 is a task that operates in a fixed cycle. The input / output control task 30 copies the data in the input area of the shared memory 29 to the working memory 32 and updates it in the working memory area. The output data thus output to the network board 14 is written in the output area of the shared memory 29.

Further, the input / output control task 30 controls switching of the input area from the network board 14 of the work memory 32 released to the control logic execution task 47, generates an interrupt signal in the network board 14, and causes the network board 14 to operate. The I / O control task 48 is started to synchronize the devices.

The control logic execution task 47 executes the control logic by referring to the input area of the work memory 32 from the network board 14, the touch event analysis task 33, and the output area of the display task 39, and displays the result in the display input area. And write to the output area 14 on the network board.

FIG. 14 shows the graphic controller device 1.
2 is a detailed diagram of input / output control between the network 2 and the network board 14. FIG. The input / output control task 30 of the graphic controller device 12 operates at a fixed cycle, and the data in the input area from the network board of the shared memory 29 is transferred to the working memory 32.
Input area A1 or A2 from the network board
Make a copy. On the other hand, the network board 14 updated in the output area to the network board of the working memory 32
The output data to the network memory is written in the output area to the network board of the shared memory 29.

Further, the input / output control task 30 controls switching of the input areas A1 and A2 from the network board of the work memory 32 released to the control logic execution task 47, and generates an interrupt signal in the network board 14, The input / output control task 48 of the network board 14 is activated to synchronize the devices.

The control logic execution task 47 has input areas A1 and A from the network board of the working memory 32.
2. Touch event analysis task 33 and display task 39
The control logic is executed with reference to the display / touch output area of, and the result is written to the display input areas B1 and B2 and the output area to the network board. The control logic execution task 47 controls switching of the display input areas B1 and B2 of the work memory 32 released to the display task 39.

FIG. 15 shows the graphic controller device 1.
6 is a flowchart showing the processing contents of the second input / output control task 30. The input / output control task 30 operates in a fixed cycle (S1). When activated, the data in the input area of the shared memory 29 is copied to A1 or A2 of the input area from the network board of the working memory 32 (S
2) The contents of the output area of the working memory 32 to the network board are copied to the output area of the shared memory 29 to the network board (S3). And the working memory 32
Next, the number of the copy area is saved (S4), and the number of the area of the working memory 29 opened to 47 is saved in the control logic execution task (S5). That is, the control logic execution task controls switching of the input area of the working memory 32 released to 47.

Next, an interrupt signal is generated in the network board 14 (S6), the input / output control task 48 of the network board 14 is activated to synchronize the devices, and the process returns to step S1 and waits for a certain period.

FIG. 16 is a flowchart showing the processing contents of the control logic execution task 47. The control logic execution task 47 executes the control logic by referring to the input area from the network board of the work memory 32, the display / touch output area of the touch event analysis task 33 and the display task 39 (S1), and displays the result. Write to the input areas B1 and B2 and the output area to the network board. At this time, the control logic execution task 47 releases the display task 39 to the display input area B of the work memory 32.
The switching between 1 and B2 is controlled (S2), and the system waits for a fixed period (S3).

As described above, according to the embodiment of the present invention, the graphic controller device having the man-machine interface function in the process control device 13 is provided in the unit chassis of the process control device by connecting with the bus device. Since it has a compact structure, a network board for exchanging data with the man-machine interface device is unnecessary. That is, since the graphic control device 12 is connected to the professional theory control device by the bus connection, high-speed connection is possible, and cooperation between the man-machine interface function and the process control function is enhanced.

Further, since the maintenance device 23 downloads and compares the state of the database of the graphic controller device 12, the state of the system can be easily grasped.
Further, since the rewritable non-volatile memory area in the graphic controller device 12 can be subdivided, it is possible to store information such as a data update history and the number of updates for each subdivided data. Further, since the maintenance device 23 has a function of discriminating the type, it is possible to easily create an unchangeable area for the user and protect the data.
Further, by dividing the database for each display device into each area of the non-volatile memory and connecting a plurality of sets of the input device 17 and the display device 16, it is possible to update the database even during the operation monitoring operation, and maintainability is improved. Be improved.

Further, since the maintenance device 23 can utilize the database of the display device 16 and the like of the system other than the plurality of plant monitoring operation devices, the work efficiency is improved. In addition, by performing conversion according to the resolution of the database to create a database for the same screen resolution, it becomes possible to create screen data of multiple resolutions at once, thus improving work efficiency.

[0070]

As described above, according to the present invention, since the graphic controller device for displaying and operating the information of the process control device is connected to the bus device and provided in the unit chassis of the process control device, It can be compactly constructed, the cooperation between the man-machine interface function and the process control function can be enhanced, and change management of the database and program by the maintenance device can be easily performed to improve maintainability.

[Brief description of drawings]

FIG. 1 is an explanatory diagram of a plant monitoring control operating device according to an embodiment of the present invention.

FIG. 2 is a software configuration diagram of the graphic controller device according to the embodiment of the present invention.

FIG. 3 is a detailed diagram of input / output control between the graphic controller device and the process control device according to the embodiment of the present invention.

FIG. 4 is a flowchart showing processing contents of an input / output control task of the process control device according to the embodiment of the present invention.

FIG. 5 is a flowchart showing the processing contents of an input / output control task of the graphic controller device according to the embodiment of the present invention.

FIG. 6 is a detailed diagram of control of screen display by input from the touch panel according to the embodiment of the present invention.

FIG. 7 is a flowchart showing processing contents of a touch event analysis task according to the embodiment of the present invention.

FIG. 8 is a flowchart showing processing contents of a display task according to the embodiment of the present invention.

FIG. 9 is a detailed diagram of input / output control between the graphic controller device and the maintenance device according to the embodiment of the present invention.

FIG. 10 is a flowchart showing the processing contents of a maintenance device transmission task of the graphic controller device according to the embodiment of the present invention.

FIG. 11 is a configuration diagram of a plant monitoring control operating system in a case where two plant monitoring control operating devices share an input device and a display device according to an embodiment of the present invention.

FIG. 12 shows one or more graphic controller devices in the plant monitoring control operating device according to the embodiment of the present invention, and one or more input devices and display devices in one graphic controller device. The block diagram of the plant monitoring control operation system when connected.

13 is a configuration diagram of a graphic controller device in the case where a control logic execution task for 40 lines of control logic of the process control device is added to the graphic controller device shown in FIG.

FIG. 14 is a detailed diagram of input / output control between the graphic controller device and the network board according to the embodiment of the present invention.

FIG. 15 is a flowchart showing the processing contents of the input / output control task of the graphic controller device in the embodiment of the present invention.

FIG. 16 is a flowchart showing the processing contents of a control logic execution task according to the embodiment of the present invention.

[Explanation of symbols]

11 ... Plant monitoring control operation device, 12 ... Graphic controller device, 13 ... Process control device, 14 ... Network board, 15 ... Plant equipment, 16 ... Display device, 17 ... Input device, 18 ... Bus device, 19 ... Bus connection interface , 20 ... CPU, 21 ... Input device control mechanism, 22 ... Display mechanism, 23 ... Maintenance device, 24 ... Maintenance device interface, 25 ... Rewritable non-volatile memory,
26 ... Volatile memory, 27 ... Mouse, 28 ... Touch panel, 29 ... Shared memory, 30 ... Input / output control task, 31
Input / output control task, 32 ... Working memory, 33 ... Touch event analysis task, 34 ... Mouse driver, 35 ... Touch driver, 36 ... Maintenance device transmission task, 37 ... Flash ROM driver, 38 ... Flash ROM, 39
... Display task, 40 ... Control logic, 41 ... Touch field data, 42 ... Display data, 43 ... Transmission function, 4
4 ... conversion function, 45 ... comparison function, 46 ... switching device,
47 ... Control logic execution task, 48 ... Input / output control task

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor, Tsuneo Watanabe             No. 1 Toshiba-cho, Fuchu-shi, Tokyo Toshiba Corporation             Fuchu Office (72) Inventor Atsushi Hiraishi             1-24 East, 2-24 Harumi-cho, Fuchu-shi, Tokyo             Shiba System Technology Co., Ltd. (72) Inventor Hirokazu Matsuura             1-24 East, 2-24 Harumi-cho, Fuchu-shi, Tokyo             Shiba System Technology Co., Ltd. F-term (reference) 5B089 GA11 JA35 JA36 JB07 JB15                       KA11 LB17                 5H223 AA01 BB01 CC08 DD09 EE11                       EE30

Claims (8)

[Claims] 1. A process control device for controlling plant equipment connected by connecting via a network board, and information display and process control provided by the process control device and a bus device, the information being held by the process control device. A graphic controller device for providing operational information to the device,
A plant characterized in that a plurality of plant monitoring control operation devices, each of which is connected to the graphic controller device and which transmits and receives programs and data to and from the process control device, are connected via the network board. Monitoring operation system. 2. The graphic controller device comprises:
The information from the process control device connected via the bus device is fetched and displayed on a display device, and the input information from the input device is transmitted to the process control device. Plant monitoring control operation system. 3. The graphic controller device comprises:
Based on the upload request or download request of the program or data transmitted from the maintenance device to determine the function type of the maintenance device, determine the program type and data type to upload or download,
The plant monitoring control operating system according to claim 1, wherein a program or data in a subdivided area of a rewritable nonvolatile memory is uploaded or downloaded. 4. The maintenance device compares old and new programs and data uploaded or downloaded, and converts display data of a display device of another plant monitoring control operating device to its own plant monitoring control operating device. The plant monitoring control operation system according to claim 1, wherein 5. The plant monitoring control operating system according to claim 1, wherein an input device and a display device are shared by at least two plant monitoring control operating devices. 6. The plant monitoring control operating device has one or a plurality of graphic controller devices,
The plant monitoring control operation system according to claim 1, wherein one or more input devices and display devices are connected to one graphic controller device. 7. The plant monitoring control operation system according to claim 6, wherein the input device is selectively changed according to a request from the maintenance device. 8. The graphic controller device comprises:
The plant monitoring control operating system according to claim 1, further comprising a function of executing a control logic of the process control device.