WO2014020754A1 - プラント制御監視システム - Google Patents
プラント制御監視システム Download PDFInfo
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- WO2014020754A1 WO2014020754A1 PCT/JP2012/069825 JP2012069825W WO2014020754A1 WO 2014020754 A1 WO2014020754 A1 WO 2014020754A1 JP 2012069825 W JP2012069825 W JP 2012069825W WO 2014020754 A1 WO2014020754 A1 WO 2014020754A1
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- hmi
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- alarm
- server
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B15/00—Systems controlled by a computer
- G05B15/02—Systems controlled by a computer electric
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/604—Tools and structures for managing or administering access control systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/629—Protecting access to data via a platform, e.g. using keys or access control rules to features or functions of an application
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
Definitions
- This invention relates to a plant control monitoring system.
- a conventional plant control monitoring system includes a client-server type operator station (OPS) composed of a client and a server, and a controller for controlling the plant, and the OPS server collects and stores the controller data,
- OPS client-server type operator station
- an OPS client provides a man-machine interface to an operator (operator) while communicating necessary data with an OPS server (see, for example, Patent Document 1).
- the operation right processing and the conditional control operation component detection processing are performed every time the operation on the client is performed.
- the operation right process is a process for determining whether or not the operation or the like has an authority to be permitted.
- the conditional control operation component detection process detects that a conditional control operation component (a component whose processing when the operation component is operated differs depending on conditions, such as a toggle button) is operated, This is a process for determining a condition for a process executed by an operation.
- each HMI client individually performs processing for detecting a failure or the like of a machine group constituting the plant equipment and issuing an alarm. For this reason, each time an alarm detection process is performed, a plurality of HMI clients access the tag relating to the alarm processing information of the HMI server via the network. Therefore, the communication processing amount of the alarm processing information between the HMI client and the HMI server increases, and this communication processing becomes a bottleneck, causing a decrease in the overall processing speed.
- the present invention has been made to solve such a problem, and is a client-server type plant control monitoring system capable of reducing the amount of communication between the client and the server and improving the processing speed. Is what you get.
- a controller that controls a plurality of machine groups constituting the plant, and a plurality of the plurality of operation monitoring screens that are provided corresponding to each of the plurality of machine groups are displayed.
- HMI client an HMI server provided to be able to communicate with the HMI client and collecting data from the controller, and an operation for the machine group on the operation monitoring screen provided on the HMI server and displayed on the HMI client Server-side storage unit that stores operation right processing information related to the right, and client-side storage unit that is provided in the HMI client and stores operation right processing information copied from the operation right processing information stored in the server-side storage unit
- An operation right processing unit that performs operation right processing on the operation monitoring screen based on the operation right processing information stored in the client side storage unit, and the client side storage unit includes the HMI client A global variable storage unit that is provided every time and is accessible from the operation right processing unit belonging to the same HMI client, and provided from each operation right processing unit
- the global variable storage unit stores operation right processing information for each client regarding the operation right set for each HMI client in the operation right processing information, and the local variable storage The operation right processing for each screen related to the operation right set for each operation monitoring screen in the operation right processing information.
- a controller for controlling a plurality of machine groups constituting the plant and a plurality of the machine groups are provided corresponding to each of the plurality of machine groups, and one or more operation monitoring screens are displayed.
- An alarm detection processing unit that performs an alarm detection process for detecting a state in which an alarm should be notified for the machine group corresponding to each of the plurality of HMI clients, based on the alarm processing information stored in the storage unit,
- the server side storage unit detects the alarm by the alarm detection processing unit. Storing alarm result information about the management results, the HMI client, on the basis of the said alarm result information stored in the server-side storage unit, a configuration having a notification unit for reporting alarms.
- FIG. 1 and 2 relate to Embodiment 1 of the present invention.
- FIG. 1 is a diagram showing a field machine and an HMI client of a plant facility to which the plant control monitoring system is applied
- FIG. 2 is a diagram of the plant control monitoring system. It is a figure explaining a structure.
- 1 is a field machine provided in the plant equipment.
- the field machine 1 includes a plurality of machine groups. This machine group classifies each machine constituting the field machine 1 on the basis of the commonality of the functions of each machine.
- a roughing mill 1a As a main machine group with which the on-site machine 1 of a rolling plant is equipped, there exist a roughing mill 1a (RM), a finishing mill 1b (FM), and a winder 1c (DC).
- the rolled material is first rolled by a rough rolling mill 1a. Thereafter, the rolled material is rolled to a product plate thickness by a finish rolling mill 1b arranged on the exit side of the rough rolling mill 1a. Then, the rolled material is wound in a coil shape by the winder 4 arranged on the exit side of the finish rolling mill 1b.
- HMI Human Machine Interface
- two HMI clients a first roughing mill client 3a and a second roughing mill client 3b
- two HMI clients a first finishing mill client 4a and a second finishing mill client 4b
- two HMI clients a first winder client 5a and a second winder client 5b
- An administrator (or a supervisor or an operator, hereinafter referred to as “administrator or the like”) of the site machine 1 monitors and operates the state of the site machine 1 using the HMI client 2. Specifically, the state monitoring and operation of the rough rolling mill 1a are performed using either the first rough rolling mill client 3a or the second rough rolling mill client 3b. Moreover, the state monitoring and operation of the finishing mill 1b are performed using either the first finishing mill client 4a or the second finishing mill client 4b. Then, the state of the winder 1c is monitored and operated using either the first winder client 5a or the second winder client 5b.
- Each HMI client 2 is connected to be able to communicate with the HMI server. Each HMI client 2 performs state monitoring and operation of each field machine 1 via the HMI server.
- FIG. 2 shows a configuration of a plant control monitoring system having this client-server type configuration.
- a controller 6 is provided for each field machine 1.
- the controller 6 acquires state data of the field machine 1 and controls the field machine 1.
- the controller 6 is connected to the first communication network 7a.
- the HMI server 8 is connected to the first communication network 7a. In this way, the controller 6 and the HMI server 8 are connected so as to be able to communicate with each other via the first communication network 7a.
- the HMI server 8 is connected not only to the first communication network 7a but also to the second communication network 7b.
- Each HMI client 2 is connected to the second communication network 7b.
- the HMI server 8 and each HMI client 2 are connected so as to be able to communicate with each other via the second communication network 7b.
- one or more HMI clients 2 are provided for one machine group in the field machine 1.
- two HMI clients 2 are provided for one machine group, and these two HMI clients 2 are a first HMI client 2a and a second HMI client 2b.
- the first rough rolling mill client 3a, the first finishing mill client 4a, and the first winder client 5a are the first HMI client 2a.
- the second rough rolling mill client 3b, the second finishing mill client 4b, and the second winder client 5b correspond to the second HMI client 2b.
- Each of the first HMI client 2a and the second HMI client 2b displays information necessary for an administrator or the like, and a UI (such as a button necessary for the administrator or the like to operate these clients).
- a display device including a display for displaying (User Interface) is provided.
- One or more operation monitoring screens are displayed on the display devices provided in each of the HMI clients 2.
- two operation monitoring screens are displayed on each of the HMI clients 2. That is, the first operation monitoring screen 9a and the second operation monitoring screen 9b are displayed on the first HMI client 2a.
- the first operation monitoring screen 9a and the second operation monitoring screen 9b are also displayed on the second HMI client 2b.
- a first operation button 10 a is displayed on the first operation monitoring screen 9 a displayed on each HMI client 2. Further, on the second operation monitoring screen 9b displayed on each HMI client 2, for example, a second operation button 10b is displayed.
- an operation signal is sent to the HMI server 8 via the second communication network 7b.
- the content of this operation signal is written into the corresponding tag variable of the database 8a provided in the HMI server 8, and the content is transmitted to the controller 6 via the first communication network 7a.
- Each HMI client 2 is provided with operation right processing means for performing operation right processing on each of the first operation monitoring screen 9a and the second operation monitoring screen 9b.
- This operation right processing means is provided corresponding to each of the first operation monitoring screen 9a and the second operation monitoring screen 9b, and the one corresponding to the first operation monitoring screen 9a is the first operation right screen.
- the second operation right processing means 11b corresponds to the processing means 11a and the second operation monitoring screen 9b.
- Each HMI client 2 includes a client side operation right processing information storage unit for storing operation right processing information.
- the operation right processing information is information related to the operation right for the machine group on each operation monitoring screen (the first operation monitoring screen 9a and the second operation monitoring screen 9b) displayed on each HMI client 2.
- the client side operation right processing information storage unit includes a global variable storage unit 12 and a local variable storage unit.
- the global variable storage unit 12 is a storage unit that can be accessed from operation right processing means belonging to the same HMI client 2.
- One global variable storage unit 12 exists for each HMI client 2.
- the global variable storage unit 12 of the first HMI client 2a can be accessed from the first operation right processing unit 11a and the second operation right processing unit 11b of the first HMI client 2a. Further, the global variable storage unit 12 of the second HMI client 2b can be accessed from the first operation right processing unit 11a and the second operation right processing unit 11b of the second HMI client 2b.
- the local variable storage unit is a storage unit accessible from the operation right processing means belonging to the same operation monitoring screen.
- One local variable storage unit exists for each operation monitoring screen of each HMI client 2. That is, in each HMI client 2, there is a first local variable storage unit 13a corresponding to the first operation monitoring screen 9a and a second local variable storage unit 13b corresponding to the second operation monitoring screen 9b. To do.
- the first local variable storage unit 13a of the first HMI client 2a can be accessed only from the first operation right processing means 11a of the first HMI client 2a. Further, the second local variable storage unit 13b of the first HMI client 2a can be accessed only from the second operation right processing means 11b of the first HMI client 2a.
- first local variable storage unit 13a of the second HMI client 2b can be accessed only from the first operation right processing means 11a of the second HMI client 2b.
- second local variable storage unit 13b of the second HMI client 2b can be accessed only from the second operation right processing means 11b of the second HMI client 2b.
- the global variable storage unit 12 stores operation right processing information for each client related to the operation right set for each HMI client 2 among the operation right processing information. Further, the first local variable storage unit 13a and the second local variable storage unit 13b store the operation right processing for each screen related to the operation right set for each operation monitoring screen of each HMI client 2 in the operation right processing information. Information is stored.
- the operation right processing means of each HMI client 2 performs the operation right processing on the operation monitoring screen based on the operation right processing information stored in the client side operation right processing information storage unit.
- the first operation right processing means 11a of the first HMI client 2a performs the operation of the first HMI client 2a when the first operation monitoring screen 9a of the first HMI client 2a is operated.
- the operation right processing information for each client stored in the global variable storage unit 12 and the operation right processing information for each screen stored in the first local variable storage unit 13a of the first HMI client 2a are referred to for the operation.
- An operation right process for determining whether or not to permit is executed.
- the second operation right processing means 11b of the first HMI client 2a stores the global variable of the first HMI client 2a when the second operation monitoring screen 9b of the first HMI client 2a is operated.
- the operation permission processing information for each client stored in the unit 12 and the operation right processing information for each screen stored in the second local variable storage unit 13b of the first HMI client 2a are referred to, and the operation is permitted.
- An operation right process is executed to determine whether or not.
- the first operation right processing means 11a of the second HMI client 2b receives the first operation monitoring screen 9a of the second HMI client 2b when the first operation monitoring screen 9a is operated.
- the second operation right processing means 11b of the second HMI client 2b stores the global variables of the second HMI client 2b when the second operation monitoring screen 9b of the second HMI client 2b is operated.
- the operation permission processing information for each client stored in the unit 12 and the operation right processing information for each screen stored in the second local variable storage unit 13b of the second HMI client 2b are referred to, and the operation is permitted.
- An operation right process is executed to determine whether or not.
- operation right processing information is stored in the database 8a provided in the HMI server 8.
- the operation right processing information is stored in the database 8a of the HMI server 8 as a tag 14 related to the operation right processing information.
- the operation right processing information 14a stored in the tag 14 related to the operation right processing information includes an initial value, a current value, an operation history, an update cycle, and other information.
- the operation right processing information stored in the global variable storage unit 12, the first local variable storage unit 13a, and the second local variable storage unit 13b, which are client side operation right processing information storage means of the HMI client 2, is stored in the HMI server 8.
- the operation right processing information stored in the database 8a is duplicated.
- the operation right processing information stored in the database 8a of the HMI server 8 is sent to each HMI client 2 via the second communication network 7b at a predetermined timing.
- Each HMI client 2 stores the operation right processing information sent from the HMI server 8 in the global variable storage unit 12, the first local variable storage unit 13a, and the second local variable storage unit 13b.
- the predetermined timing for transmitting the operation right processing information from the HMI server 8 is, for example, that the operation right processing information 14a of the tag 14 related to the operation right processing information stored in the database 8a of the HMI server 8 is updated. It is set at the time.
- the timing at which the operation right processing information 14a of the tag 14 related to the operation right processing information stored in the database 8a of the HMI server 8 is updated differs between the operation right processing information for each client and the operation right processing information for each screen. Is normal.
- the operation right processing information for each client is set for each HMI client 2 as described above. Therefore, the timing for updating the operation right processing information for each client stored in the HMI server 8 is, for example, when the power of the HMI client 2 is turned on or when an administrator or the like logs in to the HMI client 2. Etc.
- the operation right processing information for each screen is set for each operation monitoring screen of each HMI client 2 as described above. For this reason, the timing for updating the operation right processing information for each screen stored in the HMI server 8 is, for example, when a new operation monitoring screen is displayed on the HMI client 2 or when the displayed operation monitoring screen is changed. When it was done.
- the operation right processing information is copied from the database 8a of the HMI server 8 to the global variable storage unit 12 or the local variable storage unit of each HMI client 2 when, for example, the power of the HMI client 2 is turned on. This is performed at the predetermined timing such as when an operation monitoring screen is newly displayed on the HMI client 2.
- the access to the global variable storage unit 12 and the local variable storage unit by the operation right processing unit in each HMI client 2 is performed every time operation right processing is required due to an operation on the operation monitoring screen. Done.
- the plant control monitoring system configured as described above is provided corresponding to each of a plurality of machine groups and a controller that controls a plurality of machine groups constituting the plant, and one or more operation monitoring screens are displayed.
- a server-side storage unit that stores information, a client-side storage unit that is provided in the HMI client and stores operation right processing information copied from the operation right processing information stored in the server-side storage unit, and an operation monitor for the HMI client It is provided corresponding to each of the screens and stored in the client side storage unit Based on the operation right processing information, and a, and the operation authority processing unit that performs operation right process in the operation monitoring screen.
- the client-side storage unit is provided for each HMI client and is provided for each operation monitoring screen and a global variable storage unit accessible from the operation right processing unit belonging to the same HMI client, and belongs to the same operation monitoring screen.
- a global variable storage unit that is accessible from the operation right processing unit.
- the global variable storage unit stores operation right processing information for each client related to the operation right set for each HMI client in the operation right processing information.
- the variable storage unit stores operation right processing information for each screen related to the operation right set for each operation monitoring screen among the operation right processing information.
- the amount of communication between the client and the server can be reduced, the operation right processing speed can be improved, and the operation right set for each client terminal and the operation monitoring screen are set.
- the operation right By storing the operation right in the global variable storage unit and the local variable storage unit, respectively, unnecessary access can be eliminated in consideration of the nature of each operation right.
- the operation right processing information stored in the server-side storage unit is replicated (transmitted) to the client-side storage unit and the access from the operation right processing unit to the client-side storage unit is asynchronously performed independently of each other.
- FIG. FIG. 3 is a diagram for explaining a configuration of a plant control monitoring system according to Embodiment 2 of the present invention.
- information necessary for processing when a conditional control operation button displayed on the operation monitoring screen of the HMI client is operated is displayed.
- It is arranged not only on the HMI server but also on the HMI client.
- the processing when the conditional control operation button displayed on the operation monitoring screen of the HMI client is operated is performed by referring to information stored in the HMI client.
- the second operation button 10b is a conditional control operation button.
- the conditional control operation button is a button whose processing when the control operation button is operated varies depending on the condition. Specifically, for example, a toggle button that switches between enabling / disabling a certain function of the field machine 1 corresponds to the conditional control operation button.
- this toggle button when a specific function of the field machine 1 corresponding to the toggle button is disabled when the toggle button is operated, the function is enabled. This operation signal needs to be transmitted from the HMI client 2 to the HMI server 8. Conversely, if the function is valid when the toggle button is operated, it is necessary to transmit an operation signal for invalidating the function from the HMI client 2 to the HMI server 8.
- conditional control operation button is subjected to the condition judgment when operated, and the processing content associated with the operation is determined.
- each HMI client 2 has a conditional control operation.
- Button detection processing means is provided.
- the conditional control operation button detection processing means is provided corresponding to each of the conditional control operation buttons displayed on the monitoring operation screen of the HMI client 2.
- the first HMI client 2a is provided with a first conditional control operation button detection processing means 15a.
- the first HMI client 2a is provided with a second conditional control operation button detection processing means 15b.
- the second HMI client 2b is provided with a first conditional control operation button detection processing means 15a.
- the second HMI client 2b is provided with a second conditional control operation button detection processing means 15b.
- the database 8a provided in the HMI server 8 stores conditional control operation button processing information necessary for conditional control operation button detection processing.
- the conditional control operation button processing information is stored in the database 8a of the HMI server 8 as a tag 16 related to the conditional control operation button processing information.
- the conditional control operation button processing information 16a stored in the tag 16 related to the conditional control operation button processing information includes an initial value, a current value, an operation history, an update period, and other information.
- the conditional control operation button processing information is information indicating whether a specific function of the field machine 1 corresponding to the toggle button is valid or invalid.
- Conditional control operation button processing information stored in the database 8a of the HMI server 8 is stored in the global variable storage unit 12, the first local variable storage unit 13a, and the second local variable storage unit 13b of each HMI client 2. A copy of is stored.
- the global variable storage unit 12, the first local variable storage unit 13a, and the second local variable storage unit 13b constitute a client-side conditional control operation button processing information storage unit.
- conditional control operation button detection processing means of each HMI client 2 is displayed on the operation monitoring screen based on the conditional control operation button processing information stored in the client-side conditional control operation button processing information storage unit.
- Conditional control operation button detection processing is performed when the conditional control operation button is operated.
- the first conditional control operation button detection processing means 15a of the first HMI client 2a performs the first operation button 10a displayed on the first operation monitoring screen 9a of the first HMI client 2a. Is operated, the conditional control operation button processing information stored in the global variable storage unit 12 or the first local variable storage unit 13a of the first HMI client 2a is referred to and conditional control for the operation is performed. Executes operation button detection processing.
- the second conditional control operation button detection processing means 15b of the first HMI client 2a operates the second operation button 10b displayed on the second operation monitoring screen 9b of the first HMI client 2a.
- the conditional control operation button processing information for the operation is detected by referring to the conditional control operation button processing information stored in the global variable storage unit 12 or the second local variable storage unit 13b of the first HMI client 2a. Execute the process.
- the first conditional control operation button detection processing means 15a of the second HMI client 2b is operated by the first operation button 10a displayed on the first operation monitoring screen 9a of the second HMI client 2b.
- the conditional control operation button processing information stored in the global variable storage unit 12 or the first local variable storage unit 13a of the second HMI client 2b is referred to, and the conditional control operation button for the operation is referred to Perform detection processing.
- the second conditional control operation button detection processing means 15b of the second HMI client 2b operates the second operation button 10b displayed on the second operation monitoring screen 9b of the second HMI client 2b.
- the conditional control operation button processing information for the operation is detected by referring to the conditional control operation button processing information stored in the global variable storage unit 12 or the second local variable storage unit 13b of the second HMI client 2b. Execute the process.
- the conditional control operation button processing information stored in the database 8a of the HMI server 8 is sent to each HMI client 2 via the second communication network 7b at a predetermined timing.
- Each HMI client 2 stores the conditional control operation button processing information sent from the HMI server 8 in the global variable storage unit 12, the first local variable storage unit 13a, and the second local variable storage unit 13b. .
- the predetermined control operation button processing information transmitted from the HMI server 8 and copied to the HMI client 2 side is, for example, a conditional control operation button stored in the database 8a of the HMI server 8. This is set when the conditional control operation button processing information 16a of the tag 16 related to the processing information is updated.
- the access to the global variable storage unit 12 and the local variable storage unit by the conditional control operation button detection processing means in each HMI client 2 includes an operation to the conditional control operation button on the operation monitoring screen. Performed whenever conditional control operation button detection processing is required.
- processing for copying the conditional control operation button processing information stored in the database 8a of the HMI server 8 to the global variable storage unit 12 or the local variable storage unit of the HMI client 2, and the conditional control operation button of the HMI client 2 Access from the detection processing means to the global variable storage unit 12 and the local variable storage unit is performed independently and asynchronously.
- Other configurations are the same as those in the first embodiment, and detailed description thereof is omitted.
- the server-side storage unit performs conditional control operation component processing related to conditional control operation components in the operation monitoring screen displayed on the HMI client.
- Information is stored
- the client side storage unit stores conditional control operation component processing information copied from the conditional control operation component processing information stored in the server side storage unit
- the HMI client is stored in the client side storage unit.
- a conditional control operation component detection processing unit that performs conditional control operation component processing when the conditional control operation component displayed on the operation monitoring screen is operated based on the stored conditional control operation component processing information
- FIG. 4 and 5 relate to Embodiment 3 of the present invention
- FIG. 4 is a diagram for explaining the configuration of the plant control monitoring system
- FIG. 5 is a flowchart showing the operation of the plant control monitoring system.
- an alarm is issued to a plant manager or the like in the event of a situation that hinders normal plant operation, such as a failure of a mechanical device constituting the plant equipment. It has become.
- a “representative alarm” is first issued to inform an administrator or the like that it is necessary to confirm detailed information of the situation that has occurred.
- This representative alarm is usually issued for each alarm area set for each machine group constituting the plant equipment to be monitored. Therefore, conventionally, alarm detection processing for detecting the occurrence of a situation requiring an alarm has been performed individually by each HMI client corresponding to each machine group, that is, the alarm area.
- the third embodiment described here performs alarm detection processing for all alarm areas (machine groups) in the client-server configuration employed in the first and second embodiments described above. This is implemented collectively on the HMI server side.
- the HMI server 8 acquires information related to the state of the field machine 1 from the controller 6 via the first communication network 7a.
- information regarding the state of the field machine 1 acquired in this way information used for detecting an alarm is stored as a tag 17 regarding alarm processing information in the database 8a of the HMI server 8, as shown in FIG.
- Specific examples of information stored in the tag 17 relating to the alarm processing information include the severity of a failure that has occurred in the field machine 1 and the group of machines in which the failure has occurred, that is, an alarm area.
- the severity of the failure is related to the priority of the alarm. For example, there are three levels of major failure, medium failure, and minor failure in descending order of severity.
- the HMI server 8 is provided with alarm detection processing means 18.
- This alarm detection processing means 18 refers to the contents stored in the tag 17 relating to the alarm processing information in the database 8a, and performs an alarm detection process for detecting the occurrence of a situation requiring an alarm.
- FIG. 5 shows a flow of alarm detection processing performed by the alarm detection processing means 18 of the HMI server 8. This alarm detection process is executed at regular intervals by the alarm detection processing means 18.
- the local variable initialization process 19 used in the alarm detection process is performed prior to the alarm detection process.
- Three local variables are used for one alarm area. This is because, for each alarm area, a local variable for storing information on whether or not a major fault, a middle fault, and a minor fault are detected is required.
- the total number of necessary local variables is 3m.
- the local variable 1 stores the major failure flag of the alarm area 1
- the local variable 2 stores the middle failure flag of the alarm area 1
- the local variable 3 stores the minor failure flag of the alarm area 1.
- the local variable (3m-2) stores the major failure flag of the alarm area m
- the local variable (3m-1) stores the middle failure flag of the alarm area m
- the local variable (3m) stores the alarm.
- a minor failure flag for area m is stored.
- the alarm detection process 20 includes a new alarm occurrence detection process 20a, a major fault alarm detection process 20b, a medium fault alarm detection process 20c, a minor fault alarm detection process 20d, and an alarm result process 20e.
- step S2 the alarm detection processing means 18 checks whether or not there is a newly generated alarm. If there is no newly generated alarm, the process proceeds to step S15 to perform the alarm result process 20e. In this case, the major fault alarm detection process 20b, the middle fault alarm detection process 20c, and the minor fault alarm detection process 20d are not executed.
- step S2 if there is a newly generated alarm in step S2, the process proceeds to step S3 to start the serious failure alarm detection process 20b.
- the alarm detection processing means 18 performs major fault detection for each alarm area in step S4.
- step S5 it is confirmed whether or not a serious failure alarm has occurred as a result of the detection in step S4.
- the process proceeds to step S15 to perform alarm result processing 20e. In this case, the medium failure alarm detection processing 20c and the light failure alarm detection processing 20d are not executed.
- step S5 if a serious failure alarm has not occurred in step S5, the process proceeds to step S6.
- the alarm detection processing means 18 confirms whether or not the confirmation of the occurrence of a serious failure alarm in all alarm areas (1 to m) has been completed. If the confirmation of the occurrence of a serious failure alarm in all alarm areas has not been completed, the process returns to step S4.
- step S6 When it is confirmed in step S6 that the confirmation of the occurrence of the major fault alarm in all the alarm areas has been completed, the process proceeds to step S7 and the middle fault alarm detection process 20c is started.
- the middle failure alarm detection processing 20c When the middle failure alarm detection processing 20c is started, the alarm detection processing means 18 performs middle failure detection for each alarm area in step S8.
- step S9 it is confirmed whether or not a middle failure alarm has occurred as a result of the detection in step S8. In this confirmation, if a middle failure alarm has occurred, the process proceeds to step S15 to perform alarm result processing 20e. In this case, the minor failure alarm detection process 20d is not executed.
- step S9 the process proceeds to step S10.
- the alarm detection processing means 18 confirms whether or not the confirmation of the occurrence of the medium failure alarm in all the alarm areas (1 to m) has been completed. If the confirmation of the occurrence of the middle failure alarm in all the alarm areas has not been completed, the process returns to step S8.
- step S10 When it is confirmed in step S10 that the confirmation of occurrence of the medium failure alarm in all the alarm areas has been completed, the process proceeds to step S11 and the minor failure alarm detection process 20d is started.
- step S12 the alarm detection processing means 18 performs a light failure detection for each alarm area.
- step S13 it is confirmed whether or not a minor failure alarm has occurred as a result of the detection in step S12. In this confirmation, if a minor failure alarm has occurred, the process proceeds to step S15 to perform an alarm result process 20e.
- step S14 the alarm detection processing means 18 confirms whether or not the confirmation of the occurrence of the minor fault alarm in all the alarm areas (1 to m) has been completed. If the confirmation of the occurrence of the minor failure alarm in all the alarm areas has not been completed, the process returns to step S12. If the confirmation of the occurrence of a minor fault alarm in all alarm areas has been completed, the process proceeds to step S15, and the alarm result process 20e is performed.
- the alarm detection processing means 18 writes the result of the above processing in the tag 21 relating to the alarm result information of the database 8a provided in the HMI server 8.
- the alarm area (machine group) to be monitored can be different depending on the HMI client 2.
- the process proceeds to step S16 after the alarm result processing 20e in step S15, and it is confirmed whether or not the alarm occurrence has been confirmed for all the HMI clients 2. If the confirmation of alarm occurrence for all the HMI clients 2 has not been completed, the process returns to step S2.
- the result of the alarm detection processing is stored in the tag 21 relating to the alarm result information.
- the HMI client 2 displays a third operation monitoring screen 9c for notifying the administrator or the like of the alarm detection result.
- a lamp 22 is displayed on the third operation monitoring screen 9c.
- the HMI client 2 periodically accesses the tag 21 related to the alarm result information in the database 8a of the HMI server 8. When the occurrence of an alarm is detected, the lamp 22 of the HMI client 2 is turned on or discolored to notify the administrator or the like of the occurrence of the alarm.
- the order of severity is also the order of priority of alarms.
- the lamp 22 displayed on the third operation monitoring screen 9c of the HMI client 2 can distinguish and notify the priority (severity) of this alarm.
- the lamp 22 may be an aggregate of a plurality of lamps provided for each alarm priority (severity).
- the lighting mode of the lamp 22 can be changed so as to be distinguishable according to the priority (severity) of the alarm.
- Specific examples of changes in the lighting state of the lamp 22 include, for example, constantly lighting or blinking, changing the blinking speed when blinking, and changing the lighting color and brightness of the lamp 22. Such a thing can be considered.
- the lighting color of the lamp 22 is changed according to the severity of the alarm.
- the lamp 22 turns on the color of the medium failure alarm.
- the color of the lamp 22 is the color of the middle failure alarm. To the color of the alarm of a serious failure.
- the minor failure has a lower priority than the middle failure, so the color of the lamp 22 is the middle failure alarm.
- the color of the alarm is not changed. Thereafter, when all the middle failures are eliminated by taking some measures and only a minor failure remains, the color of the lamp 22 is switched from the middle failure alarm color to the major failure alarm color.
- it can comprise similarly to Embodiment 1 or Embodiment 2.
- each HMI client individually performs an alarm detection process. For this reason, each time an alarm detection process is performed, a plurality of HMI clients access the tag relating to the alarm processing information of the HMI server via the network. Therefore, although there is an advantage that the load of the alarm detection processing is distributed to each HMI client, the communication processing amount of alarm processing information between the HMI client and the HMI server increases, and this communication processing becomes a bottleneck. The overall processing speed has been reduced. This problem becomes more conspicuous as the number of HMI clients increases and the number of machine groups (alarm areas) to be monitored increases, so that the number of tags accessed from the HMI clients increases.
- the plant control monitoring system is provided corresponding to each of a controller that controls a plurality of machine groups constituting the plant and each of the plurality of machine groups.
- a HMI server provided with a plurality of HMI clients on which a monitoring screen is displayed, a server-side storage unit that stores data collected from the controller as alarm processing information, and is provided in the HMI server.
- An alarm detection processing unit that performs an alarm detection process for detecting a state in which an alarm should be reported for a group of machines corresponding to each of a plurality of HMI clients based on the alarm processing information stored in the side storage unit; is there.
- the server-side storage unit stores alarm result information related to the result of the alarm detection processing by the alarm detection processing unit, and the HMI client performs alarm notification based on the alarm result information stored in the server-side storage unit.
- a notification unit is provided.
- the HMI client and the HMI server are not alarm processing information but alarm result information that is a result of an alarm detection process. Since the alarm result information is information including only the result of the alarm detection processing, the data size is smaller than the alarm processing information before the alarm detection processing. Therefore, the amount of communication processing between the HMI client and the HMI server can be reduced, and the processing speed related to a series of alarm detections can be improved.
- the alarm detection processing unit gives priority to detecting alarms with a high severity level. Therefore, it is possible to skip the detection process for alarms smaller than that, reduce the processing amount relating to alarm detection, and further improve the processing speed relating to a series of alarm detections.
- the present invention provides a controller for controlling a plurality of machine groups constituting a plant, a plurality of HMI clients provided corresponding to each of the plurality of machine groups, and displaying one or more operation monitoring screens,
- the present invention can be used for a client-server type plant control monitoring system provided with an HMI server provided so as to be communicable and collecting data from a controller.
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Abstract
Description
図1及び図2は、この発明の実施の形態1に係るもので、図1はプラント制御監視システムが適用されるプラント設備の現場機械及びHMIクライアントを示す図、図2はプラント制御監視システムの構成を説明する図である。
図3は、この発明の実施の形態2に係るもので、プラント制御監視システムの構成を説明する図である。
ここで説明する実施の形態2は、前述した実施の形態1の構成に加えて、HMIクライアントの操作監視画面上に表示された条件付き制御操作ボタンが操作された際の処理に必要な情報を、HMIサーバ上のみならず、HMIクライアント上にも置くようにしたものである。そして、HMIクライアントの操作監視画面上に表示された条件付き制御操作ボタンが操作された際の処理は、HMIクライアントに記憶された情報を参照して行うようにしている。
なお、他の構成については実施の形態1と同様であって、その詳細説明は省略する。
このため、実施の形態1と同様の効果を奏することができるのに加えて、さらに、条件付き制御操作部品処理に係るクライアントとサーバとの間での通信量を削減し、処理速度の向上を図ることができる。
図4及び図5は、この発明の実施の形態3に係るもので、図4はプラント制御監視システムの構成を説明する図、図5はプラント制御監視システムの動作を示すフロー図である。
なお、他の構成については、実施の形態1や実施の形態2と同様にして構成することができる。
1a 粗圧延機
1b 仕上圧延機
1c 巻取機
2 HMIクライアント
2a 第1のHMIクライアント
2b 第2のHMIクライアント
3a 第1の粗圧延機用クライアント
3b 第2の粗圧延機用クライアント
4a 第1の仕上圧延機用クライアント
4b 第2の仕上圧延機用クライアント
5a 第1の巻取機用クライアント
5b 第2の巻取機用クライアント
6 コントローラ
7a 第1の通信ネットワーク
7b 第2の通信ネットワーク
8 HMIサーバ
8a データベース
9a 第1の操作監視画面
9b 第2の操作監視画面
9c 第3の操作監視画面
10a 第1の操作ボタン
10b 第2の操作ボタン
11a 第1の操作権処理手段
11b 第2の操作権処理手段
12 グローバル変数記憶部
13a 第1のローカル変数記憶部
13b 第2のローカル変数記憶部
14 操作権処理情報に関するタグ
14a 操作権処理情報
15a 第1の条件付き制御操作ボタン検出処理手段
15b 第2の条件付き制御操作ボタン検出処理手段
16 条件付き制御操作ボタン処理情報に関するタグ
16a 条件付き制御操作ボタン処理情報
17 アラーム処理情報に関するタグ
18 アラーム検出処理手段
19 初期化処理
20 アラーム検出処理
20a 新アラーム発生検出処理
20b 重故障アラーム検出処理
20c 中故障アラーム検出処理
20d 軽故障アラーム検出処理
20e アラーム結果処理
21 アラーム結果情報に関するタグ
22 ランプ
Claims (6)
- プラントを構成する複数の機械群を制御するコントローラと、
複数の前記機械群のそれぞれに対応して設けられ、1以上の操作監視画面が表示される複数のHMIクライアントと、
前記HMIクライアントと通信可能に設けられ、前記コントローラからデータを収集するHMIサーバと、
前記HMIサーバに設けられ、前記HMIクライアントに表示された前記操作監視画面における前記機械群に対する操作権に関する操作権処理情報を記憶するサーバ側記憶部と、
前記HMIクライアントに設けられ、前記サーバ側記憶部に記憶された操作権処理情報から複製された操作権処理情報を記憶するクライアント側記憶部と、
前記HMIクライアントに前記操作監視画面のそれぞれと対応して設けられ、前記クライアント側記憶部に記憶された操作権処理情報に基づいて、前記操作監視画面における操作権処理を行う操作権処理部と、を備え、
前記クライアント側記憶部は、
前記HMIクライアント毎に設けられ、同一の前記HMIクライアントに属する前記操作権処理部からアクセス可能なグローバル変数記憶部と、
前記操作監視画面毎に設けられ、同一の前記操作監視画面に属する前記操作権処理部からアクセス可能なローカル変数記憶部と、からなり、
前記グローバル変数記憶部は、操作権処理情報のうち前記HMIクライアント毎に設定される操作権に関するクライアント毎操作権処理情報を記憶し、
前記ローカル変数記憶部は、操作権処理情報のうち前記操作監視画面毎に設定される操作権に関する画面毎操作権処理情報を記憶することを特徴とするプラント制御監視システム。 - 前記サーバ側記憶部に記憶された操作権処理情報の前記クライアント側記憶部への複製と、前記操作権処理部から前記クライアント側記憶部へのアクセスとは、互いに独立して非同期的に行われることを特徴とする請求項1に記載のプラント制御監視システム。
- 前記サーバ側記憶部は、前記HMIクライアントに表示された前記操作監視画面内の条件付き制御操作部品に関する条件付き制御操作部品処理情報を記憶し、
前記クライアント側記憶部は、前記サーバ側記憶部に記憶された条件付き制御操作部品処理情報から複製された条件付き制御操作部品処理情報を記憶し、
前記HMIクライアントは、前記クライアント側記憶部に記憶された条件付き制御操作部品処理情報に基づいて、前記操作監視画面に表示された前記条件付き制御操作部品が操作された際の条件付き制御操作部品処理を行う条件付き制御操作部品検出処理部を備えたことを特徴とする請求項1又は請求項2のいずれかに記載のプラント制御監視システム。 - 前記サーバ側記憶部に記憶された条件付き制御操作部品処理情報の前記クライアント側記憶部への複製と、条件付き制御操作部品検出処理部から前記クライアント側記憶部へのアクセスとは、互いに独立して非同期的に行われることを特徴とする請求項3に記載のプラント制御監視システム。
- プラントを構成する複数の機械群を制御するコントローラと、
複数の前記機械群のそれぞれに対応して設けられ、1以上の操作監視画面が表示される複数のHMIクライアントと、
前記HMIクライアントと通信可能に設けられ、前記コントローラから収集したデータをアラーム処理情報として記憶するサーバ側記憶部を有するHMIサーバと、
前記HMIサーバに設けられ、前記サーバ側記憶部に記憶されたアラーム処理情報に基づいて、複数の前記HMIクライアントのそれぞれに対応する前記機械群についてアラームを報知すべき状態を検出するアラーム検出処理を行うアラーム検出処理部と、備え、
前記サーバ側記憶部は、前記アラーム検出処理部によるアラーム検出処理の結果に関するアラーム結果情報を記憶し、
前記HMIクライアントは、前記サーバ側記憶部に記憶された前記アラーム結果情報に基づいて、アラームの報知を行う報知部を備えたことを特徴とするプラント制御監視システム。 - 前記アラームは、重大度により複数に区分され、
前記アラーム検出処理部は、重大度が大きいアラームを優先して検出することを特徴とする請求項5に記載のプラント制御監視システム。
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US14/414,539 US9939793B2 (en) | 2012-08-03 | 2012-08-03 | Plant control monitoring system |
CN201280075089.7A CN104508583B (zh) | 2012-08-03 | 2012-08-03 | 工厂控制监视系统 |
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JPWO2023127040A1 (ja) * | 2021-12-27 | 2023-07-06 | ||
WO2023127040A1 (ja) * | 2021-12-27 | 2023-07-06 | 東芝三菱電機産業システム株式会社 | Scadaウェブhmiクライアント装置およびscadaウェブhmiシステム |
JP7409559B2 (ja) | 2021-12-27 | 2024-01-09 | 東芝三菱電機産業システム株式会社 | Scadaウェブhmiクライアント装置およびscadaウェブhmiシステム |
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IN2015DN00043A (ja) | 2015-05-22 |
CN104508583B (zh) | 2017-03-08 |
US9939793B2 (en) | 2018-04-10 |
JPWO2014020754A1 (ja) | 2016-07-11 |
JP5920468B2 (ja) | 2016-05-18 |
CN104508583A (zh) | 2015-04-08 |
US20150177719A1 (en) | 2015-06-25 |
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