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Réf. : ARI_1100

Workshop on Ethernet as a fieldbus. Réf. : ARI_1100. Presentation of Spie Trindel. In France. In Europe. SPIE TRINDEL. European organisation. A decentralised organisation To serve local markets. 5 Federations. 18 Regional offices. 200 local offices. 11 000 people.

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Réf. : ARI_1100

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  1. Workshop on Ethernet as a fieldbus Réf. : ARI_1100

  2. Presentation of Spie Trindel

  3. In France In Europe SPIE TRINDEL European organisation A decentralised organisationTo serve local markets 5 Federations 18 Regional offices 200 local offices 11 000 people Belgium (Abay TS, Air et Chaleur) Netherlands (Melotte BV, Elektron) Portugal (Evale, Oele) Germany (EDS)

  4. A.R.I. specialised department of Spie Trindel (Part of references) CORALY Project : application of trafic handling around Lyon Vetrotex Mexico : management of forming, winding and products quality, products tracking Trafic handling of E40-E25 ring and surrounding at LIEGE Lyon Saint Exupéry Airport Centralized Technical Management, maintenance, ATM network

  5. Purpose of Automatisation Suppliers Manufacturing Clients Facilitate the manufacturing changes on the production lines Decrease the stop time and having diagnostic information (production efficiency) Integrate the different products (hardware and software) from different suppliers Merge in a transparent way in the “Supply Chain” The communication networks represent an essential component of the factory

  6. Ethernet as a standard Today, Ethernet is an asset because : Non proprietary technology Internet Protocol Reuse the existing network infrastructure Less different network on a site Knowledges already existing on the site Advantage a better integration between automation (PLC) and computers Nearly available from each industrial equipment suppliers (PLC, HMI, etc …) Multi platform : Windows, Unix, Linux Evolution to 100 Mb and 1 Gb Evolution to Ethernet safe But : Non determinisit network The use of “switch” can create weak points and increase the global cost No power supply for field equipment (sensor) via the cable

  7. Reporting Monitoring Control (PLC) Factory network Workshop network Field network Sensors and actuators Classical Architecture Transfer data files A lot of data Time : >100 ms Comm HMI / PLC Data Volume : medium Time : 10-100 ms Field equipment's Data Volume : small Time : <10 ms

  8. Selection of a bus (1/2) To choose a bus, it’s necessary to take in account the following aspects : Simple : what does the installation have to do (monitoring, control loop, etc ...) • Monitoring, remote I/O modules : • volume of data can be important, cycle time is not critical • Control loop, fast process (mechanical) : • few data, cycle time critical • Strategic : the existing and the future • Is there an existing network on site ? • If yes, Is it still available and for how long ? • Is it the right network for our application ? • Financial : • Purchase cost of the equipment • Installation cost of the different solutions • Needs in terms of interface • Training investment for exploitation and maintenance

  9. Selection of a bus (2/2) • Installation and maintenance : maintainability of the solutions • Complexity to install the network (distance, special cable, etc ..) • Have we competence to acquire • Is the maintenance easy to achieve (e.g. shut down for repair or replace) • Life span of the components Technical aspect : what’s existing by the suppliers Industrial Hub, Switch, Bridge Optical ring with redundancy functions (availability of the networks) Web server embedded inside PLC (remote maintenance) Ethernet radio (e.g. with barcode reader) Evolution to 100 Mb and Gb Ethernet safe (availability of the data)

  10. Selection criteria The questions to ask are : • How many network level • All equipment on one network or one level by functionality • Is it desirable to reuse an existing Ethernet network • extension of an office network (to have a link) • What are the performances desired • exchange data files, acquisition of remote I/O, monitoring, etc ... • What kind of field equipment we have to connect (PLC, robots, valves) and what are the connection capabilities of these items Have we needs on network availability (optical ring, redundant network) What are the environmental conditions (distance, temperature, EMC) What is the required level for maintenance team

  11. Conclusions There is not an “universal” solution, but Ethernet can provide solutions : Suppliers provide new products and technical solutions MES and ERP architecture become “standard” : reliability and flow of data increase The Internet aspects offer new possibilities (remote access with IE or Netscape)

  12. Thank you for your attention

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