JP2014229108A - Electricity monitoring system - Google Patents
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- JP2014229108A JP2014229108A JP2013108826A JP2013108826A JP2014229108A JP 2014229108 A JP2014229108 A JP 2014229108A JP 2013108826 A JP2013108826 A JP 2013108826A JP 2013108826 A JP2013108826 A JP 2013108826A JP 2014229108 A JP2014229108 A JP 2014229108A
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- 238000012544 monitoring process Methods 0.000 title claims description 17
- 230000005611 electricity Effects 0.000 title 1
- 238000005259 measurement Methods 0.000 claims abstract description 242
- 230000004044 response Effects 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 abstract description 6
- 238000004891 communication Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 21
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/30—State monitoring, e.g. fault, temperature monitoring, insulator monitoring, corona discharge
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
Abstract
Description
この発明は、複数の計測機器で計測された複数の計測要素（電流、電圧、電力等）を監視する計測監視システムに関するものである。 The present invention relates to a measurement monitoring system that monitors a plurality of measurement elements (current, voltage, power, etc.) measured by a plurality of measurement devices.
電力監視システムにおいて、電力設備の計測機器より計測要素のデータを取得する方法として、計測機器とPLC（Programmable Logic Controller）をフィールドバスで接続し、PLCより計測要素のデータ要求コマンドを送信して、計測機器からデータの返信を受けるやりかたがある。 In the power monitoring system, as a method of acquiring the measurement element data from the measurement equipment of the power equipment, connect the measurement equipment and the PLC (Programmable Logic Controller) with a fieldbus, send the measurement element data request command from the PLC, There is a way to receive data replies from measuring instruments.
電力設備の計測機器においては、1機種で測定可能な計測要素（電流、電圧、電力等）の種類は増えてきており、数百種類の計測要素を測定可能な計測機器もある。
しかし、データの数が多いほど通信処理時間は延びるため、それらを収集するPLCソフトウェアについては、必要な計測要素のみに絞ってデータ要求コマンド送信・データ受信を行うよう、作りこむ必要がある。
そのため、電力監視システムを構築する場合、多種の計測要素を測定可能な計測機器を採用しても、PLCソフトウェア作りこみ工程のために、工程の早い段階で必要な計測要素を決めておく必要があり、変更が発生した場合は、PLCソフトウェアの再度の作りこみが必要となり、全体工程の遅延や作業のやり直しを引き起こす。
また、PLCソフトウェアの作りこみには専門知識を要するため、ユーザが必要な計測要素を安易に変更することもできない。
In the measurement equipment of electric power facilities, the types of measurement elements (current, voltage, power, etc.) that can be measured by one model are increasing, and there are some measurement apparatuses that can measure hundreds of measurement elements.
However, since the communication processing time increases as the number of data increases, the PLC software that collects the data needs to be created so that data request command transmission and data reception are limited to only necessary measurement elements.
Therefore, when building a power monitoring system, it is necessary to determine the necessary measurement elements at an early stage of the process for building PLC software, even if measurement equipment that can measure various measurement elements is adopted. Yes, if a change occurs, it will be necessary to recreate the PLC software, causing delays in the overall process and reworking.
In addition, because PLC software requires specialized knowledge, it is not possible for the user to easily change the necessary measurement elements.
本発明は、上記問題を解決するためになされたものであり、通信処理時間が短く、しかも必要な計測要素が変更されても、計測機器とPLCとの間でデータ送受信する計測要素を容易かつ迅速に変更することが可能となり、また、ユーザでの変更も可能とすることを目的とするものである。 The present invention has been made in order to solve the above-described problem, and the communication processing time is short, and even if the necessary measurement element is changed, the measurement element for transmitting and receiving data between the measurement device and the PLC can be easily and The purpose is to enable quick changes and also to allow changes by the user.
この発明に係る計測監視システムは、計測要素を計測する複数の計測機器に制御装置が計測データを要求し前記計測データの前記要求に対して前記計測機器の各々から送れてきた前記計測データを前記制御装置が収集して前記計測要素を監視する計測監視システムにおいて、前記計測機器の各々で計測可能な計測要素が収録されこの収録された前記複数の計測機器の各々で計測可能な計測要素のなかから前記計測機器の各々で計測が必要な前記計測要素を前記計測機器毎に選択して登録することが可能な計測要素選定装置を備え、前記計測要素選定装置による前記計測機器毎の前記選択され前記登録された前記計測要素の情報が前記制御装置に送られて前記制御装置に保存され、前記制御装置は、前記保存された前記計測機器毎の前記選択され前記登録された前記計測要素の情報に基づいて、前記複数の計測機器の各々に前記計測が必要な前記計測要素の前記計測データを要求し、前記計測機器の各々は、前記計測が必要な前記計測要素の前記計測データの要求に応じて計測した前記計測要素のうちの前記計測が必要な前記計測要素の前記計測データを前記制御装置に送り、前記制御装置は、前記計測機器の各々の前記計測が必要な前記計測要素の監視を行うものである。 In the measurement monitoring system according to the present invention, the control device requests measurement data from a plurality of measurement devices that measure the measurement element, and the measurement data sent from each of the measurement devices in response to the request for the measurement data In the measurement monitoring system in which the control device collects and monitors the measurement element, the measurement element that can be measured by each of the measurement devices is recorded, and among the recorded measurement elements that can be measured by each of the plurality of measurement devices. A measuring element selecting device capable of selecting and registering the measuring element that needs to be measured by each of the measuring instruments for each measuring instrument, and the measuring element selecting apparatus selects the selected measuring element for each measuring instrument. Information of the registered measurement element is sent to the control device and stored in the control device, and the control device selects the selected measurement device for each of the stored measurement devices. Based on the information of the registered measurement element, the measurement data of the measurement element that requires the measurement is requested to each of the plurality of measurement apparatuses, and each of the measurement apparatuses requires the measurement. The measurement data of the measurement element that needs the measurement among the measurement elements measured in response to the measurement data request of the measurement element is sent to the control device, and the control device is configured to transmit the measurement data of each of the measurement devices. The measurement element that needs to be measured is monitored.
この発明は、計測要素を計測する複数の計測機器に制御装置が計測データを要求し前記計測データの前記要求に対して前記計測機器の各々から送れてきた前記計測データを前記制御装置が収集して前記計測要素を監視する計測監視システムにおいて、前記計測機器の各々で計測可能な計測要素が収録されこの収録された前記複数の計測機器の各々で計測可能な計測要素のなかから前記計測機器の各々で計測が必要な前記計測要素を前記計測機器毎に選択して登録することが可能な計測要素選定装置を備え、前記計測要素選定装置による前記計測機器毎の前記選択され前記登録された前記計測要素の情報が前記制御装置に送られて前記制御装置に保存され、前記制御装置は、前記保存された前記計測機器毎の前記選択され前記登録された前記計測要素の情報に基づいて、前記複数の計測機器の各々に前記計測が必要な前記計測要素の前記計測データを要求し、前記計測機器の各々は、前記計測が必要な前記計測要素の前記計測データの要求に応じて計測した前記計測要素のうちの前記計測が必要な前記計測要素の前記計測データを前記制御装置に送り、前記制御装置は、前記計測機器の各々の前記計測が必要な前記計測要素の監視を行うので、通信処理時間が短く、しかも必要な計測要素が変更されても、計測機器とPLCとの間でデータ送受信する計測要素を容易かつ迅速に変更することが可能となり、また、ユーザでの変更も可能となる効果がある。 In the present invention, a control device requests measurement data from a plurality of measurement devices that measure measurement elements, and the control device collects the measurement data transmitted from each of the measurement devices in response to the request for the measurement data. In the measurement monitoring system for monitoring the measurement elements, the measurement elements that can be measured by each of the measurement devices are recorded, and the measurement devices of the measurement equipment are selected from the recorded measurement elements that can be measured by each of the plurality of measurement devices. A measuring element selecting device capable of selecting and registering the measuring elements that need to be measured for each measuring device, and the selected and registered the measuring devices for each measuring device by the measuring element selecting device; Information of measurement elements is sent to the control device and stored in the control device, and the control device selects the registered meter for each of the stored measurement devices. Based on the element information, the measurement data of the measurement element that requires the measurement is requested to each of the plurality of measurement instruments, and each of the measurement instruments includes the measurement data of the measurement element that requires the measurement. The measurement data of the measurement element that needs to be measured among the measurement elements measured in response to the request is sent to the control device, and the control device requires the measurement of each of the measurement devices. Since the elements are monitored, the communication processing time is short, and even if the necessary measurement elements are changed, it is possible to easily and quickly change the measurement elements that transmit and receive data between the measuring device and the PLC. There is an effect that the change by the user is also possible.
実施の形態１．
図１は、この発明の実施の形態１における、システムの全体構成を示すものである。
1は計測機器に対し、計測要素のデータ要求コマンドを送信し、返信データを受信する制御装置（以下PLCと記す）、2は計測機器毎に、必要な計測要素を登録する画面インターフェイスを持ち、登録した情報をパラメータとしてPLC1に送信する計測要素選定装置（以下エンジニアリングユニットと記す）、3はPLCが収集したデータ値を表示する表示ユニット、4は計測機器、5は計測機器4が計測し、データ保持している各種計測要素、6はPLC1と計測機器4を接続し、データの経路となるフィールドバス、7はPLC1と計測機器4がフィールドバス6上にてデータ送受信の対象とする送受信対象計測要素である。
Embodiment 1 FIG.
FIG. 1 shows the overall configuration of a system according to Embodiment 1 of the present invention.
1 is a control device (hereinafter referred to as “PLC”) that sends a measurement element data request command to the measurement device and receives return data. 2 has a screen interface for registering the necessary measurement elements for each measurement device. Measuring element selection device (hereinafter referred to as engineering unit) that sends registered information to PLC1 as a parameter, 3 is a display unit that displays the data values collected by PLC, 4 is a measuring device, 5 is measured by measuring device 4, Various measurement elements that hold data, 6 is a field bus that connects PLC 1 and measuring device 4 and is a data path, 7 is a transmission / reception target that PLC 1 and measuring device 4 send and receive data on field bus 6 It is a measurement element.
図２は、この発明の実施の形態１,2における、システムのブロック図を示すものである。 （実施形態2の場合はエンジニアリングユニットと表示ユニットは同一ユニット。）、101はエンジニアリングユニット2（実施形態2の場合は表示/エンジニアリングユニット8）において、データ送受信対象とする計測要素の登録画面を表示する計測要素登録画面表示部、102は計測要素登録画面表示部101で登録された情報をパラメータとしてPLCに送付する登録情報送信部、103はPLC1内部にて、登録情報送信部102が送信したパラメータ（登録情報）を保持するメモリ空間、104はメモリ空間103内のパラメータ（登録情報）の変化をチェックする登録情報変化検出部、105はPLC1内の各部を制御する制御部、106はメモリ空間103内の登録情報を読み出す登録情報読出部、107は計測機器に対し、計測要素のデータ要求コマンドを送信し、計測機器から返信されたデータを受信するデータ要求・受信部、108はデータ要求・受信部107内部で保持されている、各種計測要素に対応したデータ要求コマンド送信処理及び返信データ受信処理を実行可能な、データ要求・受信モジュール群である。 FIG. 2 is a block diagram of the system according to the first and second embodiments of the present invention. (In the case of Embodiment 2, the engineering unit and display unit are the same unit.) 101 is the engineering unit 2 (display / engineering unit 8 in the case of Embodiment 2). Measurement element registration screen display unit to perform, 102 is a registration information transmission unit that sends information registered in the measurement element registration screen display unit 101 as a parameter to the PLC, 103 is a parameter transmitted by the registration information transmission unit 102 inside PLC1 (Registration information) is held in a memory space, 104 is a registration information change detection unit that checks changes in parameters (registration information) in the memory space 103, 105 is a control unit that controls each unit in the PLC1, and 106 is a memory space 103. The registration information reading unit 107 for reading the registration information in the device transmits a data request command for the measurement element to the measurement device, and returns the data returned from the measurement device. A data request / reception unit 108 for receiving data, and 108 is a data request / reception unit 107 that is held in the data request / reception unit 107 and can execute data request command transmission processing and reply data reception processing corresponding to various measurement elements. It is a receiving module group.
図３のフローチャートを用いて、図１、図２に示すシステム全体のフローを説明する。
操作者は、エンジニアリングユニット2にて、計測要素登録画面表示部101が表示する登録画面を開き、各計測機器4の送受信対象計測要素7を登録する。（ステップST201）
The overall system flow shown in FIGS. 1 and 2 will be described with reference to the flowchart of FIG.
The operator opens the registration screen displayed by the measurement element registration screen display unit 101 in the engineering unit 2 and registers the transmission / reception target measurement element 7 of each measurement device 4. (Step ST201)
エンジニアリングユニット2にて、登録情報送信部102は、登録情報をパラメータとしてPLC1のメモリ空間103に書き込む。（ステップST202） In the engineering unit 2, the registration information transmission unit 102 writes the registration information as a parameter in the memory space 103 of the PLC 1. (Step ST202)
PLC1内の登録情報変化検出部104は、メモリ空間103内のパラメータの変化を検出し、制御部105に通知する。制御部105は登録情報読出部106に実行命令を通知する。登録情報読出部106は、メモリ空間103内のパラメータを読み込んで制御部5に送信する。（ステップST203） The registered information change detection unit 104 in the PLC 1 detects a change in parameters in the memory space 103 and notifies the control unit 105 of the change. The control unit 105 notifies the registration information reading unit 106 of an execution command. The registration information reading unit 106 reads parameters in the memory space 103 and transmits them to the control unit 5. (Step ST203)
PLC1内の制御部5は、パラメータをデータ要求・受信部107に送信する。データ要求・受信部107は、パラメータより、各計測機器4に対する送受信対象計測要素7を判定する。その後、計測機器4との通信を開始し、計測機器4毎に、保持しているデータ要求・受信のモジュール群108の中から、送受信対象計測要素7に対応するモジュールを選択し、実行する。
これにより、フィールドバス6経由で、各計測機器4に対して、それぞれの送受信対象計測要素7のデータ要求コマンドが送信される。（ステップST204）
The control unit 5 in the PLC 1 transmits the parameter to the data request / reception unit 107. The data request / reception unit 107 determines the transmission / reception target measurement element 7 for each measurement device 4 from the parameters. Thereafter, communication with the measuring device 4 is started, and a module corresponding to the transmission / reception target measurement element 7 is selected from the data request / reception module group 108 held for each measuring device 4 and executed.
As a result, the data request command of each transmission / reception target measurement element 7 is transmitted to each measuring device 4 via the fieldbus 6. (Step ST204)
計測機器4は、送受信対象計測要素7のデータ要求コマンドを受信し、受信対象計測要素7のデータをフィールドバス6を経由してPLC1に返信する。（ステップST205） The measuring device 4 receives the data request command of the transmission / reception target measurement element 7 and returns the data of the reception target measurement element 7 to the PLC 1 via the field bus 6. (Step ST205)
PLC1内のデータ要求・受信部107は、返信された送受信対象計測要素7を受信し、制御部5に送信する。制御5は、送受信対象計測要素7のデータを表示ユニット3に送信する。（ステップST206） The data request / reception unit 107 in the PLC 1 receives the transmitted / received measurement element 7 and transmits it to the control unit 5. The control 5 transmits data of the transmission / reception target measurement element 7 to the display unit 3. (Step ST206)
表示ユニット3は、送受信対象計測要素7のデータを表示する。（ステップST207） The display unit 3 displays data of the transmission / reception target measurement element 7. (Step ST207)
図４は、実施形態1のエンジニアリングユニット2（実施形態2の場合は、表示/エンジニアリングユニット8）において、計測機器4毎に送受信対象計測要素7を登録する画面である。301は計測機器が収集・データ保持している計測要素を一覧表示する計測要素一覧リスト、302は計測要素一覧リスト301の表示内容を変更する計測要素一覧リストスクロールバー、303は計測機器毎の送受信対象計測要素7の内容を示す計測要素登録リスト、304は計測要素登録リスト303の表示内容を変更する計測要素登録リストスクロールバー、305は計測要素の登録を実行する 登録ボタン、306は計測要素の削除を実行する削除ボタン、307は登録内容を保存する保存ボタン、308は保存された登録内容をPLC1に送信する送信ボタン、309は画面を終了する終了ボタンである。 FIG. 4 is a screen for registering the transmission / reception target measurement element 7 for each measurement device 4 in the engineering unit 2 of the first embodiment (display / engineering unit 8 in the case of the second embodiment). 301 is a measurement element list that displays a list of measurement elements collected and stored by the measurement device, 302 is a measurement element list scroll bar that changes the display contents of the measurement element list 301, and 303 is a transmission / reception for each measurement device A measurement element registration list indicating the contents of the target measurement element 7, 304 is a measurement element registration list scroll bar for changing the display contents of the measurement element registration list 303, 305 is a registration button for performing measurement element registration, and 306 is a measurement element registration A delete button for executing the deletion, a save button 307 for saving the registered content, a send button 308 for transmitting the saved registered content to the PLC 1, and a finish button 309 for closing the screen.
図５のフローチャートを用いて、図４での送受信対象計測要素7を登録するフローを説明する。
操作者は、エンジニアリングユニット2にて、図４の画面を開き、計測要素登録リスト303において、計測要素を登録する計測機器の列を選択する。表示内容を変更する場合は、計測要素登録リストスクロールバー304を移動する。(ステップST401)
The flow for registering the transmission / reception target measurement element 7 in FIG. 4 will be described using the flowchart in FIG.
The operator opens the screen of FIG. 4 in the engineering unit 2 and selects a column of measuring equipment for registering the measurement element in the measurement element registration list 303. When changing the display contents, the measurement element registration list scroll bar 304 is moved. (Step ST401)
計測要素一覧リスト301にて、必要な計測要素を選択する。表示内容を変更する場合は、計測要素一覧リストスクロールバー302を移動する。登録ボタン305をクリックすることで、計測要素登録リスト303に、選択した計測要素が登録される。(ステップST402) In the measurement element list 301, a necessary measurement element is selected. When changing the display contents, the measurement element list scroll bar 302 is moved. By clicking the registration button 305, the selected measurement element is registered in the measurement element registration list 303. (Step ST402)
計測要素一覧リスト304にて、各計測機器に登録されている計測要素の内、不要なものを選択する。削除ボタン306をクリックすることで、計測要素登録リスト303より、選択した計測要素が削除される。(ステップST403) In the measurement element list 304, an unnecessary element is selected from the measurement elements registered in each measurement device. By clicking the delete button 306, the selected measurement element is deleted from the measurement element registration list 303. (Step ST403)
保存ボタン307をクリックすることで、登録情報が保存される。(ステップST404)
送信ボタン308をクリックすることで、登録情報がPLCに送信される。(ステップST405)
終了ボタン309をクリックすることで、画面を終了する。(ステップST406)
By clicking the save button 307, the registration information is saved. (Step ST404)
By clicking the send button 308, the registration information is sent to the PLC. (Step ST405)
By clicking an end button 309, the screen is ended. (Step ST406)
以上により、計測機器4から取得する送受信対象計測要素7を変更したい場合、操作者はエンジニアリングユニット2の登録画面を開き、計測要素の登録内容を変更するだけで対応可能となる。図４に示しているように、登録内容の変更は、視覚的に可能であり、PLCソフトウェアの専門知識のない、ユーザ側での変更も可能となる。 As described above, when the transmission / reception target measurement element 7 acquired from the measurement device 4 is to be changed, the operator can respond by simply opening the registration screen of the engineering unit 2 and changing the registration content of the measurement element. As shown in FIG. 4, the registration contents can be changed visually, and can be changed on the user side without PLC software expertise.
実施の形態２．
図６は、この発明の実施の形態２における、システムの全体構成を示すものである。
1は計測機器に対し、計測要素のデータ要求コマンドを送信し、返信データを受信するPLC、8は計測機器毎に、必要な計測要素を登録する画面インターフェイスを持ち、登録した情報をパラメータとしてPLC1に送信し、また、PLC1が収集したデータ値を表示する表示/エンジニアリングユニット、4は計測機器、5は計測機器4が計測し、データ保持している各種計測要素、6はPLC1と計測機器4を接続し、データの経路となるフィールドバス、7はPLC1と計測機器4がフィールドバス上にてデータ送受信の対象とする送受信対象計測要素である。
Embodiment 2. FIG.
FIG. 6 shows the overall configuration of the system in the second embodiment of the present invention.
1 is a PLC that sends a measurement element data request command to the measuring device and receives the response data. 8 has a screen interface for registering the necessary measurement elements for each measuring device. Display / engineering unit that displays the data values collected by PLC1, 4 is the measuring device, 5 is the various measuring elements measured and held by the measuring device 4, and 6 is PLC1 and the measuring device 4. , And a field bus 7 serving as a data path. Reference numeral 7 denotes a transmission / reception target measurement element that is the target of data transmission / reception on the field bus by the PLC 1 and the measuring device 4.
実施の形態２が実施の形態１より優れた点としては、実施の形態１では、計測要素の登録及び登録情報のPLC1への書込みは、エンジニアリングユニット2にて実施したが、表示/エンジニアリングユニット8（表示ユニット3に、エンジニアリングユニット2の機能を追加）を使用することにより、エンジニアリングユニット2を別途用意する必要がなくなる。 The second embodiment is superior to the first embodiment in that, in the first embodiment, the registration of the measurement element and the writing of the registration information to the PLC 1 are performed by the engineering unit 2, but the display / engineering unit 8 By using (adding the function of engineering unit 2 to display unit 3), it is not necessary to prepare engineering unit 2 separately.
実施の形態１が実施の形態２より優れた点としては、実施の形態２では、計測要素を表示する画面で計測要素の登録画面を表示するため、計測要素の登録変更時時、計測要素のデータ閲覧を阻害する恐れがある。実施の形態１では、計測要素を表示する画面（表示ユニット3の画面）と、計測要素の登録画面（エンジニアリングユニット2）は別画面であるため、上記の恐れはない。 The first embodiment is superior to the second embodiment. In the second embodiment, the measurement element registration screen is displayed on the screen for displaying the measurement element. There is a risk of hindering data browsing. In the first embodiment, the screen for displaying the measurement element (screen of the display unit 3) and the registration screen for the measurement element (engineering unit 2) are separate screens, so there is no fear of the above.
実施の形態１および実施の形態２は、前述のように、以下のような特徴を有している。
(1)PLCソフトウェアは、以下の仕様で作成する。
ａ．計測機器が計測している全ての計測要素について、計測機器にデータ要求コマンドを送信し、計測機器から返信されたデータを受信するモジュールを保持する。
ｂ．ａのモジュールの内、メモリ空間上のパラメータにより指定された計測要素に対応したもののみ、実行する。
ｃ．起動時、またはメモリ空間上のパラメータの変更発生時、パラメータの読み込みを行う。
(2)エンジニアリングユニットにて、計測機器毎に、データ送受信対象の計測要素を登録する画面を表示し、登録された計測要素の情報をパラメータとしてPLCのメモリ上に書き込む。
以上の構成・動作を行うシステムであれば、必要な計測要素が変更となっても、 (2)に示す登録画面で計測要素の登録内容を変更するだけで、計測機器⇔PLC間でデータ送受信する計測要素を変更できる。
The first and second embodiments have the following characteristics as described above.
(1) Create PLC software with the following specifications.
a. For all measurement elements measured by the measurement device, a data request command is transmitted to the measurement device, and a module for receiving data returned from the measurement device is held.
b. Only the module corresponding to the measurement element designated by the parameter on the memory space is executed.
c. When starting or when a parameter change in the memory space occurs, the parameter is read.
(2) On the engineering unit, display a screen for registering the measurement elements for data transmission / reception for each measuring device, and write the information of the registered measurement elements as parameters in the PLC memory.
If the system is configured and operated as described above, even if the required measurement elements are changed, data can be sent and received between the measuring instrument and the PLC simply by changing the registered contents of the measurement elements on the registration screen shown in (2). The measurement element to be changed can be changed.
なお、本発明は、その発明の範囲内において、各実施の形態を適宜、変形、省略することができる。
なお、各図中、同一符合は同一または相当部分を示す。
In the present invention, each embodiment can be appropriately modified or omitted within the scope of the invention.
In addition, in each figure, the same code | symbol shows the same or an equivalent part.
1 制御装置（PLC（Programmable Logic Controller））、
2 計測要素選定装置（エンジニアリングユニット）、 3 表示ユニット、
4 計測機器、 5 計測要素、
6 フィールドバス、 7 送受信対象計測要素、
8 表示/エンジニアリングユニット、 101 計測要素登録画面表示部、
102 登録情報送信部、 103 メモリ空間、
104 登録情報変化検出部、 105 制御部、
106 登録情報読出部、 107 データ要求・受信部、
108 データ要求・受信モジュール群、 301 計測要素一覧リスト、
302 計測要素一覧リストスクロールバー、303 計測要素登録リスト、
304 計測要素登録リストスクロールバー、305 登録ボタン、
306 削除ボタン、 307 保存ボタン、
308 送信ボタン、 309 終了ボタン。
1 Control device (PLC (Programmable Logic Controller)),
2 measuring element selection device (engineering unit), 3 display unit,
4 measuring instruments, 5 measuring elements,
6 Fieldbus, 7 Measurement elements to be sent and received,
8 Display / Engineering Unit, 101 Measurement Element Registration Screen Display,
102 Registration information transmitter, 103 Memory space,
104 registered information change detection unit, 105 control unit,
106 Registration information reading part, 107 Data request / reception part,
108 Data request / reception module group, 301 Measurement element list,
302 Measurement element list scroll bar, 303 Measurement element registration list,
304 Measurement element registration list scroll bar, 305 registration button,
306 Delete button, 307 Save button,
308 Send button, 309 End button.
Claims (5)
前記計測機器の各々で計測可能な計測要素が収録され、この収録された前記複数の計測機器の各々で計測可能な計測要素のなかから前記計測機器の各々で計測が必要な前記計測要素を前記計測機器毎に選択して登録することが可能な計測要素選定装置を備え、
前記計測要素選定装置による前記計測機器毎の前記選択され前記登録された前記計測要素の情報が前記制御装置に送られて前記制御装置に保存され、
前記制御装置は、前記保存された前記計測機器毎の前記選択され前記登録された前記計測要素の情報に基づいて、前記複数の計測機器の各々に前記計測が必要な前記計測要素の前記計測データを要求し、
前記計測機器の各々は、前記計測が必要な前記計測要素の前記計測データの要求に応じて計測した前記計測要素のうちの前記計測が必要な前記計測要素の前記計測データを前記制御装置に送り、
前記制御装置は、前記計測機器の各々の前記計測が必要な前記計測要素の監視を行う
ことを特徴とする計測監視システム。 The control device requests measurement data from a plurality of measurement devices that measure the measurement element, and the control device collects the measurement data sent from each of the measurement devices in response to the request for the measurement data, and the measurement is performed. In a measurement monitoring system that monitors elements,
Measurement elements that can be measured by each of the measurement devices are recorded, and the measurement elements that need to be measured by each of the measurement devices are selected from the measurement elements that can be measured by each of the recorded measurement devices. Equipped with a measurement element selection device that can be selected and registered for each measurement device,
Information of the selected and registered measurement elements for each of the measurement devices by the measurement element selection device is sent to the control device and stored in the control device,
The control device is configured to measure the measurement data of the measurement element that requires the measurement for each of the plurality of measurement devices, based on the information of the selected and registered measurement element for each of the stored measurement devices. Request and
Each of the measurement devices sends, to the control device, the measurement data of the measurement element that requires the measurement among the measurement elements measured according to the request for the measurement data of the measurement element that requires the measurement. ,
The control device monitors the measurement element that requires the measurement of each of the measurement devices.
前記計測要素選定装置は前記計測機器の各々で計測可能な計測要素を収録した一覧リストである計測要素一覧リストを有し、前記計測要素一覧リストに収録された前記計測機器の各々で計測が必要な前記計測要素が前記計測機器毎に選択されて登録される
ことを特徴とする計測監視システム。 In the measurement monitoring system according to claim 1,
The measurement element selection device has a measurement element list that is a list of measurement elements that can be measured by each of the measurement devices, and each of the measurement devices recorded in the measurement element list needs to be measured. The measurement monitoring system, wherein the measurement element is selected and registered for each measurement device.
前記計測要素一覧リストが前記計測要素選定装置に画面表示され、この画面表示された前記計測要素一覧リストに収録された計測要素のなかから前記計測機器の各々で計測が必要な前記計測要素が前記計測機器毎に選択されて登録される
ことを特徴とする計測監視システム。 In the measurement monitoring system according to claim 2,
The measurement element list is displayed on the measurement element selection device, and the measurement elements that need to be measured by each of the measurement devices are selected from the measurement elements recorded in the measurement element list displayed on the screen. A measurement monitoring system, wherein each measurement device is selected and registered.
前記制御装置に送られた、前記計測が必要な前記計測要素の前記計測データの要求に応じて計測した前記計測要素のうちの前記計測が必要な前記計測要素の前記計測データが、表示装置に表示される
ことを特徴とする計測監視システム。 In the measurement monitoring system according to any one of claims 1 to 3,
The measurement data of the measurement element requiring the measurement out of the measurement elements measured in response to the request for the measurement data of the measurement element requiring the measurement sent to the control device is displayed on the display device. A measurement monitoring system characterized by being displayed.
前記表示装置と前記計測要素選定装置とが一体化されている
ことを特徴とする計測監視システム。 The measurement monitoring system according to claim 4,
The measurement monitoring system, wherein the display device and the measurement element selection device are integrated.
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