EP1051677A1 - Programmable controller coupler - Google Patents
Programmable controller couplerInfo
- Publication number
- EP1051677A1 EP1051677A1 EP99958251A EP99958251A EP1051677A1 EP 1051677 A1 EP1051677 A1 EP 1051677A1 EP 99958251 A EP99958251 A EP 99958251A EP 99958251 A EP99958251 A EP 99958251A EP 1051677 A1 EP1051677 A1 EP 1051677A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coupler
- user
- tcp
- disk
- protocol
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
Classifications
-
- 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
-
- 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
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/13—Plc programming
- G05B2219/13172—Remote programming from computer
-
- 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
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25265—Flash memory
-
- 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
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/34—Director, elements to supervisory
- G05B2219/34038—Web, http, ftp, internet, intranet server
Definitions
- the present invention a programmable controller coupler coupling to an ETHERNET network under the TCP / IP protocol, so as to communicate with various devices.
- an automation system has been segmented into several levels.
- TCP / IP protocol It is known to use the TCP / IP protocol and software adapted to this protocol to communicate on different levels, via an Ethernet type bus for example, the equipment of an automation network.
- the programmable logic controllers are then equipped with a communication module or coupler that couples to a network of the Internet or Intranet type under TCP / IP protocol.
- the present invention aims to integrate the production system into the company's information systems using ETHERNET, FTP, HTTP, TCP / IP technologies, to update system software, both in production and on the client site, to personalize a website accessible with a commercial browser while ensuring the protection and security of private data.
- the coupler according to the invention is essentially characterized in that it implements, in a flash memory, two disk partitions, one serving as a disk for the real-time operating system, the other serving as a user disk. , access to these two disks is possible thanks to the FTP protocol on TCP / IP, the user disk space being also used by an HTTP server.
- FIG. 1 is a diagram of the automation system comprising the coupler according to the invention
- FIG. 2 schematically illustrates the accesses to the flash memory of the coupler.
- the architecture represented in FIG. 1 comprises a PLC referenced API-W equipped with a central unit UC and a communication coupler CC-W having a function of interface with the information system of the company.
- This API-W server controller is connected, via a coupler and a cell network, for example to other programmable controllers referenced API-1, API-2, API-3.
- the central processing unit UC of each programmable controller contains an application program written in a usual automation language ("ladder", etc.). It manages the inputs-outputs using PLC variables.
- the CC-W coupler with server function of the API-W programmable controller allows, via a B bus supporting the TCP / IP protocol, to communicate with various equipment such as a production management system server, a dialogue terminal P or computers such as M. It is provided with a flash mass memory and a microprocessor.
- the coupler implements, in flash memory, two disk partitions, one serving as system disk, the other serving as user disk. Access to these disks is possible thanks to the FTP protocol (“File Transfer Protocol”) over TCP / IP.
- FTP protocol File Transfer Protocol
- the user disk space is also used by an HTTP server and thus offers a WEB server residing in the module. This HTTP server ensures the protection and security of private data.
- the real-time operating system of the module is seen as a system disk and accessible with FTP under the TCP / IP protocol from a PC connected to INTRANET or INTERNET.
- the updating of the system can be carried out remotely, without physical intervention on the coupler, while keeping said coupler in normal operation.
- a restart command allows the user to take into account the new version.
- This system account contains executable files, a system initialization file, a system diagnostic file, and a production test file.
- the files are in standard format and can be handled by a conventional computer. Downloaded file names can be handled by a standard computer.
- the user disk space is accessible with FTP or HTTP under the TCP / IP protocol from a computer connected to INTRANET or INTERNET. Access is authorized under an account called user account.
- User can store any file in his disc. For example, the user can store client data files, pages in HTML format, executable JAVA code, graphic data files (see Figure 2). Access to the disks is carried out from any machine connected to the network and supporting FTP.
- the opening of an FTP session on the system disk or the user disk is done by entering the account name and a password dedicated respectively to these disks. It is thus possible to customize a range of products by simply transferring a file via FTP from a disk to the system account or the user account.
- All data can be deleted, modified or written at the discretion of the user. These data are accessible through widely used standard protocols and using standard tools. They survive mains outages and the configuration of the coupler. The user does not need to store the data in other IT equipment.
- the module integrates all the services and data necessary for its proper functioning.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Programmable Controllers (AREA)
Abstract
The invention concerns a programmable controller coupler connected to an Ethernet network (BE) under the TCP/IP protocol, so as to communicate with various equipment units, characterised in that it implements, in a flash memory, two disc partitions, one serving as disc for the operating system in real time, the other serving as user-disc, both said discs being accessible by means of the FTP protocol on TCP/IP, the password protected user-disc space is used by a HTTP server ensuring protection and security of private data.
Description
Coupleur d'automate programmable Programmable controller coupler
La présente invention un coupleur d'automate programmable se couplant à un réseau ETHERNET sous le protocole TCP/IP, de manière à communiquer avec divers équipements.The present invention a programmable controller coupler coupling to an ETHERNET network under the TCP / IP protocol, so as to communicate with various devices.
Traditionnellement, un système d'automation est segmenté en plusieurs niveaux. Au niveau inférieur on trouve le bus des capteurs/actionneurs qui permet les échanges entre les automates programmables ou commandes numériques et les capteurs et actionneurs qui leur sont associés. A un niveau supérieur on trouve un bus de type informatique reliant les ordinateurs chargés de la supervision et du système d'information du site de production. A un niveau intermédiaire on trouve des bus et/ou des équipements qui font la jonction entre les niveaux précédents.Traditionally, an automation system has been segmented into several levels. On the lower level there is the sensor / actuator bus which allows exchanges between programmable logic controllers or digital controls and the sensors and actuators associated with them. At a higher level there is a computer-type bus connecting the computers responsible for the supervision and the information system of the production site. At an intermediate level there are buses and / or equipment that connects the previous levels.
II est connu d'utiliser le protocole TCP/IP et les logiciels adaptés à ce protocole pour faire communiquer sur différents niveaux, via un bus de type Ethernet par exemple, les équipements d'un réseau d'automatisme. Les automates programmables sont alors équipés d'un module ou coupleur de communication se couplant à un réseau de type Internet ou Intranet sous protocole TCP/IP.It is known to use the TCP / IP protocol and software adapted to this protocol to communicate on different levels, via an Ethernet type bus for example, the equipment of an automation network. The programmable logic controllers are then equipped with a communication module or coupler that couples to a network of the Internet or Intranet type under TCP / IP protocol.
La présente invention a pour but d'intégrer le système de production dans les systèmes d'information de l'entreprise via les technologies ETHERNET, FTP, HTTP, TCP/IP, de mettre à jour des logiciels système, aussi bien en production que sur le site client, de personnaliser un site Web accessible avec un navigateur du commerce en assurant la protection et la sécurité des données privées.The present invention aims to integrate the production system into the company's information systems using ETHERNET, FTP, HTTP, TCP / IP technologies, to update system software, both in production and on the client site, to personalize a website accessible with a commercial browser while ensuring the protection and security of private data.
Le coupleur selon l'invention est essentiellement caractérisé par le fait qu'il met en œuvre, dans une mémoire flash, deux partitions disque, l'une servant de disque pour le système d'exploitation temps réel, l'autre servant de disque utilisateur, l'accès à ces deux disques étant possible grâce au protocole FTP sur TCP/IP, l'espace disque utilisateur étant par ailleurs utilisé aussi par un serveur HTTP.The coupler according to the invention is essentially characterized in that it implements, in a flash memory, two disk partitions, one serving as a disk for the real-time operating system, the other serving as a user disk. , access to these two disks is possible thanks to the FTP protocol on TCP / IP, the user disk space being also used by an HTTP server.
L'invention va maintenant être décrite en se référant à un mode de réalisation donné à titre d'exemple et représenté par les dessins annexés sur lesquels :
- la figure 1 est un schéma de système d'automatisme comportant le coupleur selon l'invention;The invention will now be described with reference to an embodiment given by way of example and represented by the appended drawings in which: - Figure 1 is a diagram of the automation system comprising the coupler according to the invention;
- la figure 2 illustre schématiquement les accès à la mémoire flash du coupleur.- Figure 2 schematically illustrates the accesses to the flash memory of the coupler.
L'architecture représentée à la figure 1 comporte un automate référencé API-W équipé d'une unité centrale UC et d'un coupleur de communication CC-W ayant une fonction d'interface avec le système d'information de l'entreprise. Cet automate serveur API-W est connecté, via un coupleur et un réseau de cellule, par exemple à d'autres automates programmables référencés API-1 , API-2, API-3.The architecture represented in FIG. 1 comprises a PLC referenced API-W equipped with a central unit UC and a communication coupler CC-W having a function of interface with the information system of the company. This API-W server controller is connected, via a coupler and a cell network, for example to other programmable controllers referenced API-1, API-2, API-3.
L'unité centrale UC de chaque automate programmable contient un programme d'application écrit dans un langage d'automation habituel (« ladder », etc.). Il gère les entrées-sorties en utilisant des variables automates.The central processing unit UC of each programmable controller contains an application program written in a usual automation language ("ladder", etc.). It manages the inputs-outputs using PLC variables.
Le coupleur CC-W à fonction serveur de l'automate programmable API-W permet, via un bus B supportant le protocole TCP/IP, de communiquer avec divers équipements tels qu'un serveur de système de gestion de production, un terminal de dialogue P ou des ordinateurs tels que M. Il est pourvu d'une mémoire de masse flash et d'un microprocesseur.The CC-W coupler with server function of the API-W programmable controller allows, via a B bus supporting the TCP / IP protocol, to communicate with various equipment such as a production management system server, a dialogue terminal P or computers such as M. It is provided with a flash mass memory and a microprocessor.
Le coupleur implémente, en mémoire flash, deux partitions disque, l'une servant de disque système, l'autre servant de disque utilisateur. L'accès à ces disques est possible grâce au protocole FTP (« File Transfer Protocol ») sur TCP/IP. L'espace disque utilisateur est également utilisé par un serveur HTTP et offre ainsi un serveur WEB résidant dans le coupleur. Ce serveur HTTP assure la protection et la sécurité des données privées.The coupler implements, in flash memory, two disk partitions, one serving as system disk, the other serving as user disk. Access to these disks is possible thanks to the FTP protocol (“File Transfer Protocol”) over TCP / IP. The user disk space is also used by an HTTP server and thus offers a WEB server residing in the module. This HTTP server ensures the protection and security of private data.
Le système d'exploitation temps réel du coupleur est vu comme un disque système et accessible avec FTP sous le protocole TCP/IP depuis un PC connecté à INTRANET ou INTERNET. La mise à jour du système peut s'effectuer à distance, sans intervention physique sur le coupleur, tout en gardant ledit coupleur en fonctionnement normal. Une commande de redémarrage permet à l'utilisateur de prendre en compte la nouvelle version. Ce compte système contient des fichiers exécutables, un fichier d'initialisation du système, un fichier de diagnostic système et un fichier de test pour la production. Les fichiers sont au format standard et peuvent être manipulés par un ordinateur classique. Les noms de fichiers téléchargés peuvent être manipulés par un ordinateur standard.The real-time operating system of the module is seen as a system disk and accessible with FTP under the TCP / IP protocol from a PC connected to INTRANET or INTERNET. The updating of the system can be carried out remotely, without physical intervention on the coupler, while keeping said coupler in normal operation. A restart command allows the user to take into account the new version. This system account contains executable files, a system initialization file, a system diagnostic file, and a production test file. The files are in standard format and can be handled by a conventional computer. Downloaded file names can be handled by a standard computer.
L'espace disque utilisateur est accessible avec FTP ou HTTP sous le protocole TCP/IP depuis un ordinateur connecté à INTRANET ou INTERNET. L'accès est autorisé sous un compte nommé compte utilisateur. L'utilisateur peut stocker n'importe quel fichier
dans son disque. Par exemple l'utilisateur peut stocker des fichiers de données client, des pages au format HTML, du code exécutable JAVA, des fichiers de données graphiques (voir figure 2). L'accès aux disques s'effectue à partir de n'importe quelle machine reliée au réseau et supportant FTP.The user disk space is accessible with FTP or HTTP under the TCP / IP protocol from a computer connected to INTRANET or INTERNET. Access is authorized under an account called user account. User can store any file in his disc. For example, the user can store client data files, pages in HTML format, executable JAVA code, graphic data files (see Figure 2). Access to the disks is carried out from any machine connected to the network and supporting FTP.
L'ouverture d'une session FTP sur le disque système ou le disque utilisateur s'effectue en entrant le nom de compte et un mot de passe dédiés respectivement à ces disques. Il est ainsi possible de personnaliser une gamme de produit par simple transfert d'un fichier via FTP depuis un disque sur le compte système ou le compte utilisateur.The opening of an FTP session on the system disk or the user disk is done by entering the account name and a password dedicated respectively to these disks. It is thus possible to customize a range of products by simply transferring a file via FTP from a disk to the system account or the user account.
Toutes les données peuvent être effacées, modifiées ou écrites au gré de l'utilisateur. Ces données sont accessibles à travers des protocoles standards très répandus et au moyen d'outils standards. Elles survivent aux coupures secteurs et au changement de configuration du coupleur. L'utilisateur n'a pas besoin de stocker les données dans d'autre équipement informatique. Le module intègre tous les services et données nécessaires à son bon fonctionnement.All data can be deleted, modified or written at the discretion of the user. These data are accessible through widely used standard protocols and using standard tools. They survive mains outages and the configuration of the coupler. The user does not need to store the data in other IT equipment. The module integrates all the services and data necessary for its proper functioning.
II est bien entendu que l'on peut sans sortir du cadre de l'invention imaginer des variantes et des perfectionnements de détail et de même envisager l'emploi de moyens équivalents.
It is understood that it is possible without departing from the scope of the invention to imagine variants and improvements in detail and even to envisage the use of equivalent means.
Claims
1. Coupleur d'automate programmable se connectant à un réseau Ethernet sous le protocole TCP/IP, de manière à communiquer avec divers équipements, caractérisé par le fait qu'il met en œuvre, dans une mémoire flash, deux partitions disque, l'une servant de disque pour le système d'exploitation temps réel, l'autre servant de disque utilisateur, l'accès à ces deux disques étant possible grâce au protocole FTP sur TCP/IP, l'espace disque utilisateur étant par ailleurs utilisé aussi par un serveur HTTP.1. Programmable controller coupler connecting to an Ethernet network under the TCP / IP protocol, so as to communicate with various equipment, characterized in that it implements, in a flash memory, two disk partitions, the one serving as a disk for the real-time operating system, the other serving as a user disk, access to these two disks being possible using the FTP protocol on TCP / IP, the user disk space being also used by an HTTP server.
2. Coupleur selon la revendication 1 , caractérisé par le fait que l'accès à distance à l'espace système est autorisé avec FTP sous un compte système de manière à permettre la mise à jour du système à distance, sans intervention physique sur le coupleur, tout en gardant ledit coupleur en fonctionnement normal et que l'accès à distance à l'espace disque utilisateur est autorisé avec FTP ou HTTP sous un compte nommé compte utilisateur.2. Coupler according to claim 1, characterized in that the remote access to the system space is authorized with FTP under a system account so as to allow the updating of the system remotely, without physical intervention on the coupler , while keeping said coupler in normal operation and that remote access to user disk space is authorized with FTP or HTTP under an account called user account.
3. Coupleur selon la revendication 1 ou 2, caractérisé par le fait que l'espace système contient des fichiers exécutables, un fichier d'initialisation du système, un fichier de diagnostic système et un fichier de test pour la production. 3. Coupler according to claim 1 or 2, characterized in that the system space contains executable files, a system initialization file, a system diagnostic file and a test file for production.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9815788 | 1998-12-07 | ||
FR9815788A FR2786892B3 (en) | 1998-12-07 | 1998-12-07 | PROGRAMMABLE PLC COUPLER |
PCT/FR1999/003028 WO2000034862A1 (en) | 1998-12-07 | 1999-12-07 | Programmable controller coupler |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1051677A1 true EP1051677A1 (en) | 2000-11-15 |
Family
ID=9533966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99958251A Withdrawn EP1051677A1 (en) | 1998-12-07 | 1999-12-07 | Programmable controller coupler |
Country Status (4)
Country | Link |
---|---|
US (1) | US6567863B1 (en) |
EP (1) | EP1051677A1 (en) |
FR (1) | FR2786892B3 (en) |
WO (1) | WO2000034862A1 (en) |
Families Citing this family (23)
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US6845401B1 (en) | 1998-12-30 | 2005-01-18 | Schneider Automation Inc. | Embedded file system for a programmable logic controller |
FR2804218B1 (en) * | 2000-01-26 | 2002-03-29 | Schneider Automation | PROGRAMMABLE CONTROLLER WITH COMMUNICATION FUNCTIONS IN A CLIENT-SERVER ARCHITECTURE |
DE10108258A1 (en) * | 2001-02-21 | 2002-08-29 | Grieshaber Vega Kg | Method for adapting a user interface of internet-compatible process devices and arrangement with such a user interface |
JP4632574B2 (en) * | 2001-05-25 | 2011-02-16 | 株式会社日立製作所 | Storage device, file data backup method, and file data copy method |
US7222131B1 (en) * | 2002-09-24 | 2007-05-22 | Rockwell Automation Technologies, Inc. | System and methodology facilitating data warehousing of controller images in a distributed industrial controller environment |
JP2006506847A (en) | 2002-11-12 | 2006-02-23 | ゼテーラ・コーポレイシヨン | Communication protocol, system and method |
US7649880B2 (en) | 2002-11-12 | 2010-01-19 | Mark Adams | Systems and methods for deriving storage area commands |
US7170890B2 (en) * | 2002-12-16 | 2007-01-30 | Zetera Corporation | Electrical devices with improved communication |
US8005918B2 (en) * | 2002-11-12 | 2011-08-23 | Rateze Remote Mgmt. L.L.C. | Data storage devices having IP capable partitions |
US20040160975A1 (en) * | 2003-01-21 | 2004-08-19 | Charles Frank | Multicast communication protocols, systems and methods |
US7010396B2 (en) * | 2003-04-04 | 2006-03-07 | David Brent Ware | Irrigation controller with embedded web server |
EP1569055B1 (en) * | 2004-02-25 | 2007-04-25 | Siemens Aktiengesellschaft | Plug-in communication device and method of communication using such a device |
US20060179463A1 (en) * | 2005-02-07 | 2006-08-10 | Chisholm Alpin C | Remote surveillance |
US7702850B2 (en) | 2005-03-14 | 2010-04-20 | Thomas Earl Ludwig | Topology independent storage arrays and methods |
US7620981B2 (en) | 2005-05-26 | 2009-11-17 | Charles William Frank | Virtual devices and virtual bus tunnels, modules and methods |
US8819092B2 (en) | 2005-08-16 | 2014-08-26 | Rateze Remote Mgmt. L.L.C. | Disaggregated resources and access methods |
US7743214B2 (en) * | 2005-08-16 | 2010-06-22 | Mark Adams | Generating storage system commands |
US9270532B2 (en) | 2005-10-06 | 2016-02-23 | Rateze Remote Mgmt. L.L.C. | Resource command messages and methods |
US7587251B2 (en) * | 2005-12-21 | 2009-09-08 | Rockwell Automation Technologies, Inc. | Remote monitoring and control of an I/O module |
US7924881B2 (en) | 2006-04-10 | 2011-04-12 | Rateze Remote Mgmt. L.L.C. | Datagram identifier management |
US20110010623A1 (en) * | 2009-07-10 | 2011-01-13 | Vanslette Paul J | Synchronizing Audio-Visual Data With Event Data |
US20110010624A1 (en) * | 2009-07-10 | 2011-01-13 | Vanslette Paul J | Synchronizing audio-visual data with event data |
KR101593835B1 (en) * | 2014-10-30 | 2016-02-12 | 엘에스산전 주식회사 | PLC system |
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---|---|---|---|---|
US5675769A (en) * | 1995-02-23 | 1997-10-07 | Powerquest Corporation | Method for manipulating disk partitions |
US6466962B2 (en) * | 1995-06-07 | 2002-10-15 | International Business Machines Corporation | System and method for supporting real-time computing within general purpose operating systems |
US6185575B1 (en) * | 1996-09-19 | 2001-02-06 | Powerquest Corporation | In-place disk partition canonization and storage optimization |
US5930828A (en) * | 1997-03-26 | 1999-07-27 | Executive Software International | Real-time apparatus and method for minimizing disk fragmentation in a computer system |
-
1998
- 1998-12-07 FR FR9815788A patent/FR2786892B3/en not_active Expired - Lifetime
-
1999
- 1999-12-07 US US09/601,320 patent/US6567863B1/en not_active Expired - Fee Related
- 1999-12-07 WO PCT/FR1999/003028 patent/WO2000034862A1/en active Application Filing
- 1999-12-07 EP EP99958251A patent/EP1051677A1/en not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO0034862A1 * |
Also Published As
Publication number | Publication date |
---|---|
US6567863B1 (en) | 2003-05-20 |
FR2786892A1 (en) | 2000-06-09 |
FR2786892B3 (en) | 2000-12-29 |
WO2000034862A1 (en) | 2000-06-15 |
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