JP5489781B2 - Supervisory control system - Google Patents

Description

  The present invention relates to a supervisory control system for supporting design of plant signals in supervisory control of plant equipment.

Signal items in a monitoring control system that performs monitoring control of a conventional plant facility must be designed for each monitoring device and control device, and data must be input.
Patent Document 1 has a plant database that stores the latest plant data of each input point input from the plant, and a plant data related database that is used for display or calculation and stores data related to the plant data. However, when the plant database is changed, the plant data related database is automatically changed.

Japanese Patent Laid-Open No. 06-139477 (pages 3 to 6, FIG. 1)

The signal items in the conventional monitoring and control system have been designed by the designer to understand the specifications of the monitoring device, the control device, and the network that connects each device, and to perform signal name definition and address assignment work under established rules. . If the designer did not design the signal items according to the rules, the system could malfunction.
Moreover, in patent document 1, when one plant database was changed, the related database was changed automatically, but it did not automate defining the plant data itself.

  The present invention has been made to solve the above-described problems, and provides a supervisory control system that allows a designer to design signal items without being aware of the specifications of the equipment constituting the plant. It is an object.

The monitoring control system according to the present invention is a monitoring control system in which a monitoring device for monitoring a plant and a control device for controlling the plant are connected by a network, and status information, failure information, and operation information of equipment constituting the plant A database having device information that is pre-input for each device, including information on the input signal items input from the device to the control device and used by the monitoring device and the control device based on the device information in the database. define the signal fields and an output signal items output to the device, is provided with a signal item table generating means for generating a signal entry table signal ID and the address is defined in the signal entry signal item table generating means , each information of each device in the device information database, signal entry table of a signal is determined by a predetermined rule Automatically stores the eye area, to automatically information is not stored area is obtained by allowing an input by the designer.

As described above, the present invention is a monitoring and control system in which a monitoring device for monitoring a plant and a control device for controlling the plant are connected by a network, and the state information, the failure information, and the operation information of the equipment constituting the plant A database having device information that is pre-input for each device, including information on the input signal items input from the device to the control device and used by the monitoring device and the control device based on the device information in the database. define the signal fields and an output signal items output to the device, is provided with a signal item table generating means for generating a signal entry table signal ID and the address is defined in the signal entry signal item table generating means , each information of each device in the device information database of the signal fields of the signal item table which is determined by a predetermined rule area Thereby automatically stored, to automatically information is not stored area, since the enabling input by the designer, without being conscious of the specifications of the equipment designer to configure the plant, simple design of the signal fields Can be

BRIEF DESCRIPTION OF THE DRAWINGS It is a block diagram which shows the monitoring control system by Embodiment 1 of this invention. It is a figure which shows the apparatus information of the monitoring control system by Embodiment 1 of this invention. It is a figure which shows DI item table | surface of the signal item table | surface of the monitoring control system by Embodiment 1 of this invention. It is a figure which shows DO item table | surface of the signal item table | surface of the monitoring control system by Embodiment 1 of this invention. It is a figure which shows AI item table | surface of the signal item table | surface of the monitoring control system by Embodiment 1 of this invention. It is a figure which shows the AO item table | surface of the signal item table | surface of the monitoring control system by Embodiment 1 of this invention. It is a figure which shows the apparatus information and DO item table | surface of the monitoring control system by Embodiment 2 of this invention. It is a block diagram which shows the monitoring control system by Embodiment 3 of this invention. It is a figure which shows the input / output item table | surface of the monitoring control system by Embodiment 3 of this invention. It is a figure which shows the apparatus information and input / output item table | surface of the monitoring control system by Embodiment 4 of this invention. It is a block diagram which shows the monitoring control system by Embodiment 5 of this invention. It is a figure which shows the screen logic item table | surface of the monitoring control system by Embodiment 5 of this invention. It is a figure which shows the screen logic data of the monitoring control system by Embodiment 5 of this invention. It is a block diagram which shows the monitoring control system by Embodiment 6 of this invention. It is a figure which shows the form logic item table | surface of the monitoring control system by Embodiment 6 of this invention. It is a figure which shows the screen logic data of the monitoring control system by Embodiment 6 of this invention.

Embodiment 1 FIG.
FIG. 1 is a block diagram showing a monitoring control system according to Embodiment 1 of the present invention.
In FIG. 1, the monitoring control system 6 includes a plant equipment database 1 connected via a network 10, a monitoring device 8 that monitors the plant, and a control device 7 that controls the plant.
In the monitoring control system 6, a plurality of monitoring devices 8 and control devices 7 may actually be connected to the network 10, but in FIG. 1, one monitoring device 8 and one control device 7 are connected to the network 10 one by one. An example is shown.
The plant equipment database 1 has a database 2, a signal item table generation function 3, and a signal item table 4. Database 2 includes the names of the equipment constituting the plant equipment, the equipment name to which the equipment belongs, the name displayed on the monitoring device at the time of equipment status change, failure occurrence, and operation, the name of the measured value, and the name of the equipment operation. Stores device information managed on a device-by-device basis.
The signal item table generation function 3 (signal item table generation means) generates a signal item table 4 used in communication of the network 10 connecting the monitoring device 8 and the control device 7 based on the device information in the database 2. The signal item table 4 is a DI item table, which is a digital signal item input from a device constituting the plant to the control device, as shown in FIGS. A DO item table that is a digital signal item output to the device, an AI item table that is an analog signal item input from the device to the control device, and an AO item table that is an analog signal item output from the control device to the device Have.
The monitoring device 8 and the control device 7 use the signal item table 4 via the network 10.

FIG. 2 is a diagram showing device information of the monitoring control system according to Embodiment 1 of the present invention.
In FIG. 2, information on devices constituting the plant facility is input by the designer into the database 2 and stored as device information 9. The device ID is a number uniquely assigned to each device, and a device name, facility name, state, failure, operation, measurement, and setting are input for each device ID. The number of information that can be defined per device is fixed, but can be changed depending on the system scale.

FIG. 3 is a diagram showing a DI item table of the signal item table of the supervisory control system according to the first embodiment of the present invention.
In FIG. 3, the DI item table 41 includes, for each device ID, a signal ID and a corresponding signal type, a facility name associated with the signal, a device name, and an occurrence name when the signal state occurs. , Signal state recovery name and signal address are stored.

FIG. 4 is a diagram showing a DO item table of the signal item table of the monitoring control system according to the first embodiment of the present invention.
In FIG. 4, the DO item table 42 stores, for each device ID, a signal ID and a facility name, a device name, an operation name, and a signal address related to the signal ID.

FIG. 5 is a diagram showing an AI item table of the signal item table of the supervisory control system according to the first embodiment of the present invention.
In FIG. 5, the AI item table 43 includes, for each device ID, a signal ID, a facility name related to the signal ID, a device name, a loop name, an upper limit value, a lower limit value, a unit of these upper limit value and lower limit value, a signal Is stored.

FIG. 6 is a diagram showing an AO item table of the signal item table of the monitoring control system according to Embodiment 1 of the present invention.
In FIG. 6, the AO item table 44 includes, for each device ID, a signal ID and a facility name, a device name, a loop name, an upper limit value, a lower limit value, a unit of these upper limit value and lower limit value, a signal related to this signal ID. Is stored.

Next, the operation of the monitoring control system according to the first embodiment will be described with reference to the drawings.
In the database 2 of FIG. 1, information on the equipment constituting the plant facility is input by the designer and stored as equipment information 9. Here, the device ID in the device information 9 is a number uniquely assigned to each device. The number of information that can be defined per device is fixed, but can be changed depending on the system scale.
The signal item table 4 is capable of defining signals for the maximum number of devices that can be processed by the control device 7, and stores device names, failure names, etc., and corresponding signal address information for each device.
The signal item table generation function 3 in the plant equipment database 1 refers to the database 2 and develops information in the signal item table 4.

The signal item table generating function 3 generates the signal item table 4 based on a rule for expanding the signal item table 4 from the database 2.
3 to 6 are examples of the signal item table 4. FIG. When the signal item table 4 is newly created, device information including the device ID is acquired from the database 2 and is expanded in the signal item table 4 as follows based on the acquired device information.
In the DI item table 41 of FIG. 3 , an area for defining a failure signal and a status signal is secured for each device, and information defined in the “state” of the device information 9 in the database 2 is the status in the DI item table 41. A case is shown in which a rule is set in the signal item table generation function 3 so as to expand to a signal generation name, and the signal item table 4 is expanded based on the rule.
At this time, the information defined in the “status” of the device information 9 is expanded to the generation name of the status signal in the DI item table 41 in a state where the arrangement is held. Further, a rule for adding a specific character string to the device information from the database 2 can be set like the recovery name of the status signal in the DI item table 41.
Similarly, the IO item table 42, the AI item table 43, and the AO item table 44 are also developed based on the device information 9 by the signal item table generation function 3.
Here, in the signal item table 4, information not developed from the device information 9 can be input into the signal item table 4 by the designer in an interactive format.

  According to the first embodiment, information necessary for the supervisory control system is extracted and processed from a database in which plant equipment information is stored in units of equipment based on pre-defined rules, and the signal item table of the supervisory control system is simplified. Can be generated.

Embodiment 2. FIG.
FIG. 7 is a diagram showing the device information and DO item table of the monitoring control system according to the second embodiment of the present invention. FIG. 7A is a diagram showing the device information 9 before the change, and FIG. These are figures which show the apparatus information 9 after a change, and FIG.7 (c) is DO item table | surface of a signal item table | surface.

The configuration of the monitoring control system according to the second embodiment is the same as that in FIG.
The structure of the device information 9 and the signal item table 4 in the database 2 is the same as that in the first embodiment.

Next, the operation of the second embodiment will be described with reference to FIG.
The device information 9 in the database 2 is changed due to a change in the specification of the device and the like, as in the device information 9 after the change in FIG. 7B from before the change in FIG. 7A, and has a “stop command” in the operation column. In this case, the signal item table generation function 3 extracts the change target device in the signal item table 4 using the device ID as a key, and updates the information of the device in the signal item table 4.
In the case of “stop command”, the update result is reflected in the DO item table 42 of the signal item table 4 as shown in FIG.

  According to the second embodiment, when the device information of the plant is changed, the signal item table of the monitoring control system can be automatically updated by updating the device information of the database.

Embodiment 3 FIG.
FIG. 8 is a block diagram showing a monitoring control system according to Embodiment 3 of the present invention.
In FIG. 8, 1 to 3, 6 to 8, and 10 are the same as those in FIG. In FIG. 8, the signal item table generating function 3 (input / output item table generating means) is based on the device information 9 of the database 2 and the signal input / output positions from the devices in the control device 7 and the signals at the respective signal input / output locations. An input / output item table 5 defining names, device names, and facility names is generated. The input / output item table 5 is referred to by the monitoring device 8 and the control device 7.
The device information 9 in the database 2 is the same as that in FIG.
The input / output item table 5 includes a DI item table, a DO item table, an AI item table, and an AO item table that define signal items at signal input / output positions from devices in the control device 7. Among these, the DO item table, the AI item table, and the AO item table may have the same structures as those in FIGS. 3, 4, and 5, respectively. The DI item table will be described later with reference to FIG.

FIG. 9 is a diagram showing a DI item table of the input / output item table of the monitoring control system according to the third embodiment of the present invention.
9, the DI item table 45 of the input / output item table 5 defines, for each device DI, the signal name, device name, and facility name at each signal input / output position indicated by the signal ID, and the signal type and signal address. It is stored with.

Next, the operation of the monitoring control system according to the third embodiment will be described with reference to the drawings.
In FIG. 8, database 2 stores information as equipment information 9 by inputting information on equipment constituting the plant facility by the designer.
Here, the device ID is a number uniquely assigned to each device. The number of information that can be defined per device is fixed, but can be changed depending on the system scale. The input / output item table 5 can define signals for the maximum number of devices that can be processed by the control device 7, and stores device names, failure names, and the like and corresponding signal address information for each device.

The signal item table generation function 3 in the plant equipment database 1 refers to the database 2 and develops information in the input / output item table 5.
The signal item table generation function 3 generates the input / output item table 5 based on a rule for expanding the input / output item table 5 from the database 2.
FIG. 9 is an example of the input / output item table 5. When the input / output item table 5 is newly created, information including the device ID is expanded from the database 2 to the input / output item table 5.
Here, in the input / output item table 5, information that is not expanded from the database 2 can be input into the input / output item table 5 by the designer in an interactive manner.

  According to the third embodiment, information necessary for the monitoring control system is extracted and processed from a database in which plant device information is stored in units of devices based on a predefined rule, and an input / output item table for the control device is generated. can do.

Embodiment 4 FIG.
FIG. 10 is a diagram showing device information and an input / output item table of the monitoring control system according to the second embodiment of the present invention. FIG. 10A is a diagram showing the device information 9 before change, and FIG. ) Is a diagram showing the device information 9 after the change, and FIG. 10C is a DO item table of the input / output item table.
The configuration of the monitoring control system according to the fourth embodiment is the same as that in FIG.
The structure of the device information 9 and the input / output item table 5 in the database 2 is the same as that in the third embodiment.

Next, the operation of the fourth embodiment will be described with reference to FIG.
The device information 9 in the database 2 is changed by changing the specification of the device or the like, as in the device information 9 after the change in FIG. 10B from before the change in FIG. 10A, and has a “stop command” in the operation column. In this case, the signal item table generation function 3 extracts the change target device in the input / output item table 5 using the device ID as a key, and updates the information of the device in the input / output item table 5.
In the case of “stop command”, the update result is reflected in the DO item table 46 of the input / output item table 5 as shown in FIG.

  According to the fourth embodiment, when the device information of the plant is changed, the input / output item table of the control device can be updated by updating the device information in the database.

Embodiment 5 FIG.
FIG. 11 is a block diagram showing a monitoring control system according to Embodiment 5 of the present invention.
In FIG. 11, 1 to 4, 8, and 10 are the same as those in FIG. In FIG. 11, a plurality of monitoring devices 8 may be connected to the network 10.
The screen logic data generation function 50 (screen logic data generation means) stores information on the screen logic item table 20 and the signal item table 4 that define how the screen display is changed in accordance with the signal state in the monitoring device 8. The screen logic data 30 used with reference to the monitoring device 8 is generated.
The signal item table 4 includes a DI item table, a DO item table, an AI item table, and an AO item table shown in FIGS.

FIG. 12 is a diagram showing a screen logic item table of the monitoring control system according to the fifth embodiment of the present invention.
In FIG. 12, for each symbol ID, a corresponding device ID, display component type, signal ID, condition, value, display operation, and display color are stored.

FIG. 13 is a diagram showing screen logic data of the supervisory control system according to the fifth embodiment of the present invention.
In FIG. 13, for each symbol ID, a corresponding device name, display component type, signal name, signal address, condition, value, display operation, and display color are stored.

Next, the operation of the monitoring control system according to the fifth embodiment will be described with reference to the drawings.
The monitoring device 8 in FIG. 11 performs processing such as display / non-display, color change, and blinking of a figure (symbol) representing a plant device on the monitoring screen based on the information of the screen logic data 30. The screen logic data 30 is a file that defines a symbol ID, a signal address, and a symbol display method, and is data used when the monitoring screen is displayed by the monitoring screen display function of the monitoring device 8.
When designing the monitoring screen display function in the monitoring device 8, the designer inputs the corresponding device ID, signal ID, and data necessary for screen display in the screen logic item table 20 in units of symbols.
The screen logic data generation function 50 acquires the device name, signal name, and signal address from the signal item table 4 using the device ID and signal ID of the screen logic item table 20 as keys, and generates the screen logic data 30.
12 and 13 show an example in which data is acquired from the DI item table 41 (FIG. 3) of the signal item table 4 and the screen logic data 30 is expanded from the screen logic item table 20. In this case, FIG. 12 is an example of the screen logic item table 20, and FIG. 13 is an example of the screen logic data 30.

  According to the fifth embodiment, in the screen logic item table, when the device information in the database is changed by expanding the data from the signal item table using the device ID and signal ID as a key, the screen logic item table is corrected. The screen logic data can be updated without doing so.

Embodiment 6 FIG.
FIG. 14 is a block diagram showing a monitoring control system according to Embodiment 6 of the present invention.
In FIG. 14, 1 to 4, 8, and 10 are the same as those in FIG. In FIG. 14, a plurality of monitoring devices 8 may be connected to the network 10.
The form logic data generation function 51 (form logic data generation means) is a form logic item that defines the correspondence between form items and signal IDs and the calculation contents (calculation information) of each item in the form function for recording measured values of plant equipment. With reference to the information in Table 21 and the signal item table 4, form logic data 31 used in the monitoring device 8 is generated.
The signal item table 4 includes a DI item table, a DO item table, an AI item table, and an AO item table shown in FIGS.

FIG. 15 is a diagram showing a form logic item table of the monitoring control system according to the sixth embodiment of the present invention.
In FIG. 15, for each form item ID, a device ID, a signal ID, a unit representing a period as a calculation content, and calculation information corresponding to this unit are stored.

FIG. 16 is a diagram showing screen logic data of the monitoring control system according to the sixth embodiment of the present invention.
In FIG. 16, for each form item ID, a device name, a signal name, a signal address, a unit, a unit representing a period as a calculation content, and calculation information corresponding to this unit are stored.

Next, the operation of the monitoring control system according to the sixth embodiment will be described with reference to the drawings.
The monitoring device 8 in FIG. 14 performs processing such as display / calculation of measured values by the form function of the monitoring screen based on the information of the form logic data 31. The form logic data 31 is a file that defines a form item ID, a signal address, a form item calculation method, and a display format, and is data used in the form function of the monitoring device 8.
At the time of designing the form function in the monitoring device 8, the designer inputs the device ID, the signal ID, and other data necessary for displaying the form into the form logic item table 21 in units of form items.
The form logic data generation function 51 acquires the device name, signal name, and signal address from the signal item table 4 using the device ID and signal ID of the form logic item table 21 as keys, and generates the form logic data 31.
FIG. 15 shows an example in which data is acquired from the AI item table 43 (FIG. 5) of the signal item table 4 and the form logic data 31 is expanded from the form logic item table 21. The signal name and signal address of the form logic data 31 are expanded from the signal ID of the form logic item table 21, and the device name of the form logic data 31 is expanded from the device ID of the form logic item table 21.

According to the sixth embodiment, the designer displays information on the equipment constituting the plant in the plant equipment database that is managed on a per-equipment basis, and displays the equipment name on the monitoring device at the time of equipment failure, state change, and operation. By inputting various device information used for monitoring control, such as the name of the equipment to be managed and the name of the equipment to which the device belongs, it is possible to generate a form logic item table of the monitoring control system.
In addition, when changing plant equipment information, the designer can use it in the processing of monitoring and control devices by entering equipment change information into the database without being aware of the address in the form logic item table. Changes can be reflected in the data.

DESCRIPTION OF SYMBOLS 1 Plant equipment database 2 Database 3 Signal item table generation function 4 Signal item table 5 Input / output item table 6 Monitoring control system 7 Control device 8 Monitoring device 9 Device information 10 Network 20 Screen logic item table 21 Form logic item table 30 Screen logic data 31 Form Logic Data 41 DI Item Table 42 DO Item Table 43 AI Item Table 44 AO Item Table 45 DI Item Table 46 DO Item Table 50 Screen Logic Data Generation Function 51 Form Logic Data Generation Function

Claims (6)

A monitoring control system in which a monitoring device for monitoring a plant and a control device for controlling the plant are connected by a network,
A database having device information in which information including state information, failure information, and operation information of devices constituting the plant is input in advance for each device,
Based on the device information in this database, it consists of input signal items input from the device to the control device and output signal items output from the control device to the device, which are used by the monitoring device and the control device. A signal item is defined, and the signal item includes a signal item table generating means for generating a signal item table in which a signal ID and its address are defined .
The signal item table generating means automatically stores the information for each device in the device information of the database in the signal item area of the signal item table determined by a predetermined rule, and automatically A supervisory control system that allows designers to input information in areas that do not store data .   The monitoring control system according to claim 1, wherein the signal item table generating unit updates the signal item table when the device information in the database is updated. A monitoring control system in which a monitoring device for monitoring a plant and a control device for controlling the plant are connected by a network,
A database having device information in which information including state information, failure information, and operation information of devices constituting the plant is input in advance for each device,
Based on the device information in the database, the signal input / output position from the device in the control device and the signal item at each signal input / output position are defined, and the signal ID and the address thereof are defined in the signal item. An input / output item table generating means for generating an input / output item table of the control device;
The input / output item table generating means automatically stores the information for each device in the device information of the database in the signal item area of the input / output item table determined by a predetermined rule, and automatically A supervisory control system that allows designers to input information in areas where no information is stored .   4. The monitoring control system according to claim 3, wherein the input / output item table generating means updates the input / output item table when the device information in the database is updated. Screen logic item table defined in advance so as to associate the state of the signal item with the display screen for each device symbol displayed on the monitoring screen for monitoring the plant,
Based on the screen logic item table and the signal item table, screen logic data generating means for generating screen logic data used to display the monitoring screen by the monitoring device,
The monitoring control system according to claim 1, wherein the monitoring device displays the monitoring screen based on the screen logic data. A form logic item table in which information including a corresponding signal item and calculation information of the form item is defined in advance for each form item displayed as a form for recording the measurement value of the device.
Based on the form logic item table and the signal item table, the form logic data generating means for generating the form logic data used for the display of the form by the monitoring device,
6. The monitoring control system according to claim 1, wherein the monitoring device displays a form for recording the measurement value of the device based on the form logic data.

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