WO2013150654A1 - Dispositif de conception de système plc - Google Patents

Dispositif de conception de système plc Download PDF

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Publication number
WO2013150654A1
WO2013150654A1 PCT/JP2012/059579 JP2012059579W WO2013150654A1 WO 2013150654 A1 WO2013150654 A1 WO 2013150654A1 JP 2012059579 W JP2012059579 W JP 2012059579W WO 2013150654 A1 WO2013150654 A1 WO 2013150654A1
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WO
WIPO (PCT)
Prior art keywords
network
plc
unit
parameter
network parameter
Prior art date
Application number
PCT/JP2012/059579
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English (en)
Japanese (ja)
Inventor
憲治 廣田
瞬 宗田
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2013504596A priority Critical patent/JP5253684B1/ja
Priority to PCT/JP2012/059579 priority patent/WO2013150654A1/fr
Priority to TW101130082A priority patent/TW201342234A/zh
Publication of WO2013150654A1 publication Critical patent/WO2013150654A1/fr

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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
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • G05B19/052—Linking several PLC's

Definitions

  • the present invention relates to a PLC system design apparatus.
  • PLC programmable Logic Controller
  • Patent Document 1 discloses an invention in which a parameter that can determine an optimum value for the first time when a field device is connected to a network is automatically set.
  • the present invention has been made in view of the above, and an object of the present invention is to obtain a PLC system design apparatus capable of automatically setting a parameter whose optimum value cannot be determined only by connecting a field device to a network.
  • the present invention provides a PLC system design apparatus that sets network parameters for each of a plurality of PLCs when a PLC system in which a plurality of PLCs are connected via a network is constructed.
  • a network information / network parameter acquisition unit for acquiring network information and network parameters indicating the topology of the PLC system from a PLC system for which network parameters have been set, and network information and network acquired by the network information / network parameter acquisition unit
  • a PLC system in which a past parameter / network information database construction unit that associates and stores parameters in a database, and a network information / network parameter acquisition unit includes a PLC to be set
  • the similarity calculation unit for calculating the similarity between the network information acquired from the network and the network information stored in the database, the hardware information of the PLC to be set, and the network parameters included in the existing project data are acquired.
  • Network parameter / hardware information acquisition unit network parameter narrowing unit that narrows down network parameters that can be diverted to the setting target PLC based on the hardware information, and network parameter narrowed down by the network parameter narrowing unit
  • the network parameters associated with the network information with the highest similarity, and the trial and error part that simulates the operation when set to The network parameters that error does not occur if the Trial-and-error portion is set in the PLC being configured extracted, characterized in that it comprises a recommended value selection unit for selecting as a recommended value.
  • the PLC system design apparatus has an effect that a parameter whose optimum value cannot be determined only by connecting a field device to a network can be automatically set.
  • FIG. 1 is a diagram showing a configuration of an embodiment of a PLC system designing apparatus according to the present invention.
  • FIG. 2 is a block diagram illustrating a functional configuration of the engineering tool.
  • FIG. 3 is a diagram illustrating an example of a PLC unit whose network topology is specified by network information.
  • FIG. 4 is a flowchart illustrating the flow of the network parameter automatic setting operation in the PLC system design apparatus according to the embodiment.
  • FIG. 5 is a flowchart showing a flow of processing for setting network parameters by using past network parameters.
  • FIG. 6 is a flowchart showing a flow of processing for setting network parameters by narrowing down network parameters included in existing project data based on the configuration of the PLC system and performing trial and error.
  • FIG. 1 is a diagram showing a configuration of an embodiment of a PLC system designing apparatus according to the present invention.
  • a PLC system design apparatus 100 includes a CPU (Central Processing Unit) 11, a ROM (Read Only Memory) 12, a RAM (Random Access Memory) 13, a communication unit 14, an input unit 15, a storage unit 16, and a display unit.
  • the computer 10 having 17 executes software and forms an engineering tool 50 on the CPU 11.
  • the CPU 11 executes a program stored in the ROM 12 or the storage unit 16 using the RAM 13 as a work area.
  • the communication unit 14 is a communication interface for exchanging data with an external device.
  • the input unit 15 is a user interface such as a keyboard or a pointing device.
  • the storage unit 16 is a storage device that stores information in a nonvolatile manner, and an HDD (Hard Disk Drive), a semiconductor memory, or the like can be applied.
  • the display unit 17 is a device that displays an editor screen, and an LCD (Liquid Crystal Display), an organic EL (Electro-Luminescence) display, or the like is applicable.
  • the PLC system design device 100 is connected to the PLC system 200 via the network 150.
  • the PLC system 200 is configured by connecting a plurality of PLCs 20 1 to 20 n .
  • Each of the PLCs 20 1 to 20 n may be composed of the same unit combination or may be composed of different unit combinations.
  • the topology of the network that connects the PLCs 20 1 to 20 n to each other is arbitrary.
  • FIG. 2 is a block diagram showing the functional configuration of the engineering tool.
  • the engineering tool 50 includes a network information / network parameter acquisition unit 21, a past parameter / network information database construction unit 22, a similarity calculation unit 23, a recommended value selection unit 24, a network parameter / hardware information acquisition unit 25, and a network parameter narrowing unit. 26, a trial and error unit 27, and a tool basic operation unit 28.
  • Each functional unit of the engineering tool 50 (network information / network parameter acquisition unit 21, past parameter / network information database construction unit 22, similarity calculation unit 23, recommended value selection unit 24, network parameter / hardware information acquisition unit 25, network
  • the parameter narrowing section 26, trial and error section 27, and tool basic operation section 28) are realized on the CPU 11 by software processing.
  • the network information / network parameter acquisition unit 21 acquires network information indicating the network topology of the PLC system 200 connected via the communication unit 14 and network parameters set in each PLC.
  • the network information / network parameter acquisition unit 21 acquires network information and network parameters from the PLC system 200 when an operation for starting acquisition of network information and network parameters is performed on the input unit 15. When an operation for starting automatic setting of network parameters is performed, network information is acquired from the PLC system 200.
  • the past parameter / network information database construction unit 22 associates the network information 1611 and the network parameter 1612 acquired by the network information / network parameter acquisition unit 21 with each other when an operation for starting acquisition of network information and network parameters is performed.
  • the database 161 is constructed by accumulating in the storage unit 16.
  • the similarity calculation unit 23 performs the network information 1611 stored in the database 161 of the storage unit 16 and the network topology of the PLC system 200 acquired by the network information / network parameter acquisition unit 21.
  • the network information corresponding to is compared, and the similarity is calculated.
  • the similarity of the network information is calculated based on the number and type of units included in the PLC system indicated by the information, and the connection form between the units.
  • the recommended value selection unit 24 selects the network parameter 1612 associated with the network information having the highest similarity as a recommended value. Further, the recommended value selection unit 24 selects a network parameter in which no error has occurred as a recommended value based on an operation result of a trial and error unit 27 described later.
  • the tool basic operation unit 28 controls all functions as a normal engineering tool such as processing for displaying a screen for setting the PLC system 200 on the display unit 17. Further, the tool basic operation unit 28 displays the network parameter 1612 selected as the recommended value by the recommended value selection unit 24 in the input field of each parameter on the parameter setting screen.
  • the network parameter / hardware information acquisition unit 25 reads the network parameters included in the project data 162 stored in the storage unit 16 and the hardware information 163 of each of the PLCs 20 1 to 20 n used in the PLC system 200. Based on the network parameters read from the project data 162 stored in the storage unit 16 and the hardware information 163 read from the storage unit 16 by the network parameter / hardware information acquisition unit 25 Process to narrow down.
  • the trial and error unit 27 applies the network parameters after the network parameter narrowing unit 26 narrows down to the PLCs 20 1 to 20 n of the PLC system 200 and performs an operation test.
  • FIG. 3 is a diagram illustrating an example of a PLC unit whose network topology is specified by network information.
  • the PLC system 201 is configured by connecting five PLCs 201 1 to 201 5 via a ring network.
  • PLC201 1 is type A, type B, and is configured by combining units of type C.
  • PLC201 2 is type A, type D, and is constructed by combining units of type E.
  • PLC201 3 is type B, and is configured by combining units of type C.
  • PLC201 4 is type A, type B, and is configured by combining units of type C.
  • PLC201 5 is constructed by combining units of a unit of two types C type B.
  • PLC201 1 is connected to the PLC201 2 and PLC201 4.
  • PLC201 2 is connected to the PLC201 1 and PLC201 3.
  • the PLC 201 3 is connected to the PLC 201 2 and the PLC 201 5 .
  • PLC201 4 is connected to the PLC201 1 and PLC201 5.
  • the PLC 201 5 is connected to the PLC 201 3 and the PLC 201 4 .
  • the PLC system 202 is configured by connecting four PLCs of PLCs 202 1 to 202 4 via a ring network.
  • the PLC 202 1 is configured by combining units of type A, type B, and type C.
  • PLC 202 2 are type A, type B, and is configured by combining units of type D.
  • PLC 202 3 are type A, type D, and is constructed by combining units of type E.
  • PLC 202 4 are type B, and is configured by combining units of type C.
  • the PLC 202 1 is connected to the PLC 202 2 and the PLC 202 4 .
  • the PLC 202 2 is connected to the PLC 202 1 and the PLC 202 3 .
  • the PLC 202 3 is connected to the PLC 202 2 and the PLC 202 4 .
  • the PLC 202 4 is connected to the PLC 202 1 and the PLC 202 3 .
  • PLC201 PLC with a combination of the type of the closest unit to the combination of the types of units in 1 is a PLC 202 1, the type of the three units are identical.
  • the PLCs 202 2 and 202 4 have the same type of two units as the PLC 201 1 .
  • the type of one unit matches that of the PLC 201 1 .
  • the similarity to the PLC 201 1 is higher in the order of the PLC 202 1 , the PLC 202 2 , the PLC 202 4 , and the PLC 202 3 . Since the PLC 202 2 includes a type of unit that is not in the PLC 201 1 , the similarity of the PLC 202 2 may be made lower than the similarity of the PLC 202 4 .
  • the PLC 201 1 is connected to a PLC 201 2 configured with a type ADE unit and a PLC 201 4 configured with a type ABC unit.
  • PLC having the closest connection form PLC201 1 topology is PLC 202 2 and 202 4, the combination of unit type of PLC to connect to is consistent with the at twofold PLC201 1.
  • the PLCs 202 1 and 202 3 do not match any combination of the types of PLC units to which they are connected. Therefore, regarding the connection form, the degree of similarity with the PLC 201 1 is high in the order of the PLCs 202 2 and 202 4 , the PLCs 202 1 and 202 3 .
  • the similarity calculation unit 23 adds the similarity related to the combination of unit types and the similarity related to the connection form to calculate the overall similarity.
  • the similarity calculation unit 23 may calculate the overall similarity by weighting at least one of the similarity related to the combination of unit types and the similarity related to the connection form.
  • FIG. 4 is a flowchart illustrating the flow of the network parameter automatic setting operation in the PLC system design apparatus according to the embodiment.
  • the user uses the input unit 15 to perform an operation for starting automatic setting of network parameters (step S101).
  • the tool basic operation unit 28 determines whether or not the computer 10 is connected to the PLC system 200 via the communication unit 14. (Step S102).
  • the tool basic operation unit 28 causes the display unit 17 to display a message indicating that it is not connected to the PLC system 200 (step S106).
  • the tool basic operation unit 28 checks whether or not the setting is made to use the past network parameters (step S103). If it is set to divert the past network parameter (step S103 / Yes), the network parameter is set by diverting the past network parameter (step S104). Details of the processing in step S104 will be described later. On the other hand, when it is not set to divert the past network parameter (step S103 / No), the network parameter is set by diverting the network parameter included in the existing project data (step S105). Details of the processing in step S105 will also be described later.
  • FIG. 5 is a flowchart showing a flow of processing for setting network parameters by using past network parameters.
  • FIG. 5 shows details of the process in step S104 of FIG. Note that the network information and network parameters of the PLC system for which the PLC system design apparatus 100 has set the network parameters in the past are recorded as the database 161 in the storage unit 16.
  • the network information / network parameter acquisition unit 21 acquires network information related to the setting target PLC from the setting target PLC using the communication unit 14 (step S201).
  • the similarity calculation unit 23 calculates the similarity between each network information 1611 stored in the database 161 of the storage unit 16 and the network information of the PLC system 200 acquired by the network information / network parameter acquisition unit 21. (Step S202).
  • the recommended value selection unit 24 selects a network parameter related to the network information having the highest similarity calculated by the similarity calculation unit 23 as a recommended value.
  • the recommended value selected by the recommended value selection unit 24 is displayed by the tool basic operation unit 28 in the input field for each parameter on the parameter setting screen (step S203). At this time, by displaying the similarity according to the parameter setting screen, it can be used as a material for determining whether or not the recommended value can be used as it is. Further, the recommended value selection unit 24 may not select a network parameter related to network information having a similarity less than a predetermined value as a recommended value. By performing a confirmation operation (such as pressing an OK button) on the parameter setting screen, recommended values are written to the PLCs 20 1 to 20 n to be set.
  • the network parameter with the highest degree of similarity is selected as the recommended value.
  • a plurality of network parameters are extracted as the recommended value in order of the degree of similarity, and these are extracted in the input field of the parameter setting screen. You may enable it to display switching. For example, the network parameter with the highest similarity is first displayed in the input field, and the network parameter with the lower similarity is displayed in the input field each time the “next candidate” button is pressed on the parameter setting screen. Also good.
  • FIG. 6 is a flowchart showing a flow of processing for setting network parameters by narrowing down network parameters included in existing project data based on the configuration of the PLC system and performing trial and error.
  • FIG. 6 shows details of the process in step S105 of FIG.
  • the network information / network parameter acquisition unit 21 acquires the hardware information 163 related to the setting target PLC 20 from the storage unit 16. Further, the network parameter / hardware information acquisition unit 25 acquires the network parameters used in the project data 162 stored in the storage unit 16 (step S301).
  • the network parameter narrowing unit 26 excludes, from the network parameter diversion source candidates, project data in which a device that does not match the hardware information of the PLCs 20 1 to 20 n to be set is used (step S302).
  • step S303 / No If there are no remaining network parameters that are not excluded from the candidates (step S303 / No), the process is terminated.
  • step S303 If there is a network parameter remaining in the candidate (step S303 / Yes), the user selects one of the remaining network parameters by an operation using the input unit 15 (step S304).
  • the trial and error unit 27 applies the network parameter selected by the user to the PLCs 20 1 to 20 n to be set and performs an operation test (simulation) (step S305). If an error occurs (Yes in step S306), the network parameter cannot be diverted and is excluded from the candidates, and the process returns to step S303 to check whether or not an undetermined network parameter remains in the candidate.
  • the recommended value selection unit 24 selects the network parameter selected by the user as the recommended value (step S307).
  • the recommended value selected by the recommended value selection unit 24 is displayed by the tool basic operation unit 28 in the input field for each parameter on the parameter setting screen.
  • a confirmation operation such as pressing an OK button
  • the PLC system design apparatus can divert the network parameters of the PLC system in which the network parameters have been set in the past and the network parameters included in the existing project data, and thus is unfamiliar with the design of the PLC system. Even a person can easily set network parameters. Further, when diverting the network parameters of the PLC system in which the network parameters have been set in the past, the recommended values are selected based on the similarity of the network information. Therefore, the network parameters of the PLC placed in an environment close to the setting target PLC Can be diverted. In addition, when diverting network parameters included in existing project data, the network parameters are narrowed down based on hardware information, and recommended values are determined through trial and error. There is no diversion of parameters.
  • the PLC system design apparatus is useful in that a network parameter can be easily set by a beginner by using past network parameters or network parameters included in existing project data.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Programmable Controllers (AREA)
  • Debugging And Monitoring (AREA)
  • Stored Programmes (AREA)
  • Logic Circuits (AREA)
  • Selective Calling Equipment (AREA)

Abstract

Ce dispositif de conception de système PLC est prévu avec : une unité de calcul de similarité (23) qui calcule la similarité entre des informations de réseau acquises à partir d'un système PLC contenant un PLC de réglage et des informations de réseau stockées dans une base de données (161); une unité d'acquisition d'informations de paramètre de réseau/matériel (25) qui acquiert des informations de matériel du PLC de réglage et un paramètre de réseau contenu dans des données de projet existant (162); une unité d'affinement de paramètres de réseau (26) qui affine le paramètre de réseau qui peut être réutilisé; une unité d'essai-et-erreur (27) qui extrait un paramètre de réseau pour lequel une erreur n'est pas généré lorsque ledit paramètre de réseau est établi dans le PLC pour régler; et une unité de sélection de valeur recommandée (24) qui sélectionne en tant que valeur recommandée le paramètre de réseau associé avec les informations de réseau ayant la similitude la plus élevée ou le paramètre de réseau extrait par l' unité d' essai-et-erreur (27).
PCT/JP2012/059579 2012-04-06 2012-04-06 Dispositif de conception de système plc WO2013150654A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2013504596A JP5253684B1 (ja) 2012-04-06 2012-04-06 Ｐｌｃシステム設計装置
PCT/JP2012/059579 WO2013150654A1 (fr) 2012-04-06 2012-04-06 Dispositif de conception de système plc
TW101130082A TW201342234A (zh) 2012-04-06 2012-08-20 Ｐｌｃ系統設計裝置

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PCT/JP2012/059579 WO2013150654A1 (fr) 2012-04-06 2012-04-06 Dispositif de conception de système plc

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016015120A (ja) * 2014-07-01 2016-01-28 アクシス アーベー 処理ユニットに接続されているセンサユニットに関連して使用されるべき設定を見付けるための方法及びデバイス

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6099841B2 (ja) * 2015-03-19 2017-03-22 三菱電機株式会社 制御システム、プログラマブルコントローラ及びエンジニアリングツール

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0777930A (ja) * 1993-09-07 1995-03-20 Fuji Facom Corp システム定義作成装置
JPH11212608A (ja) * 1998-01-29 1999-08-06 Yaskawa Electric Corp 通信パラメータを含めたシステム構成の自動設定装置
JP2006011873A (ja) * 2004-06-25 2006-01-12 Mitsubishi Electric Corp ネットワークインターフェイス設計製作システム
JP2007265252A (ja) * 2006-03-29 2007-10-11 Mitsubishi Electric Corp プログラム作成支援装置およびその方法
WO2010109729A1 (fr) * 2009-03-25 2010-09-30 三菱電機株式会社 Dispositif de réglage de paramètres

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0777930A (ja) * 1993-09-07 1995-03-20 Fuji Facom Corp システム定義作成装置
JPH11212608A (ja) * 1998-01-29 1999-08-06 Yaskawa Electric Corp 通信パラメータを含めたシステム構成の自動設定装置
JP2006011873A (ja) * 2004-06-25 2006-01-12 Mitsubishi Electric Corp ネットワークインターフェイス設計製作システム
JP2007265252A (ja) * 2006-03-29 2007-10-11 Mitsubishi Electric Corp プログラム作成支援装置およびその方法
WO2010109729A1 (fr) * 2009-03-25 2010-09-30 三菱電機株式会社 Dispositif de réglage de paramètres

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016015120A (ja) * 2014-07-01 2016-01-28 アクシス アーベー 処理ユニットに接続されているセンサユニットに関連して使用されるべき設定を見付けるための方法及びデバイス

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JPWO2013150654A1 (ja) 2015-12-14
TW201342234A (zh) 2013-10-16

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