Ethercat Brochure
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ETG_Broschuere_09_2009_RZ.qxd 02.10.2009 14:30 Uhr Seite 1 The Ethernet Fieldbus ETG_Broschuere_09_2009_RZ.qxd 02.10.2009 14:30 Uhr Seite 2 ■ Content 2 EtherCAT Technology Group 03 Why EtherCAT? 4 User and Vendor Statements 6 EtherCAT Technology Group 8 EtherCAT – Technical Introduction and Overview 18 Implementation Aspects | Master |Slave 22 Conformance and Interoperability 24 Safety over EtherCAT 26 Why do companies choose EtherCAT? 28 Contact © EtherCAT Technology Group. We reserve the right to make technical changes. ETG_Broschuere_09_2009_RZ.qxd 02.10.2009 14:30 Uhr Seite 3 ■ Why EtherCAT? EtherCAT Technology Group 3 ■ It’s faster ■ It’s versatile | The fastest system available, | master-slave, slave-slave and with outstanding synchronization features master-master communication | Performance widely independent of topology | Cyclic and acyclic services for process data | No underlying sub-system required any more and parameter data | Meets today’s and tomorrow’s requirements | Suitable for centralized and distributed control architectures ■ It’s cost effective | Machine control, robotics, embedded systems, | Meets or even undercuts fieldbus cost levels building automation, transport systems, … | No special master cards required – on-board MAC or low cost standard NIC is fine ■ It’s Industrial Ethernet | Highly integrated Slave Controllers for | Standard Ethernet frames used lower interface costs | Supports all Internet technologies | No active infrastructure components required | HTTP, FTP,TCP/IP – without degrading the real-time behavior ■ It’s easy to implement | Simplifies vertical integration | Real-time protocol handling in hardware | Device application determines μC performance – ■ It’s Safety on Ethernet not the fieldbus protocol | Functional Safety and standard application | Simple I/O slaves do not require μC at all with one network | Universal slave interface modules available | Safety Protocol according to international | Evaluation kits and stacks for master safety standard IEC 61508 and slave available | Suitable for safety I/O and safety drives | Routable via gateways and fieldbus systems ■ It’s easy to use | No manual address setting ■ It’s open | No switch or router configuration | Open Technology, fully disclosed | Auto configuration features | Supported by the worlds largest Industrial | Diagnosis with exact localization Ethernet Organization | EtherCAT is IEC, ISO and SEMI standard ■ It’s flexible topology | Supports well established device profiles | All topologies supported: line, tree, star, ring | No node, switch or hub cascading issues ■ It’s well proven | Up to 65,535 nodes per segment | Deployed in series applications since 2003 | Redundancy, Hot Connect, Hot Swap options | Wide range of applications | Implemented on variety of controllers and operating systems | Large product selection © EtherCAT Technology Group. All rights reserved. ETG_Broschuere_09_2009_RZ.qxd 02.10.2009 14:30 Uhr Seite 4 ■ User and Vendor Statements 4 EtherCAT Technology Group ■ Martin Rostan, Head of Technology ■ Dieter Hess, Managing Marketing, Beckhoff Automation GmbH, Director, 3S Smart Software and Executive Director, Solutions GmbH: EtherCAT Technology Group: “3S decided to implement EtherCAT as “The strong growth of the EtherCAT Technology Group the first real-time Ethernet protocol, reflects the tremendous worldwide interest in this since EtherCAT utilizes the maximum exiting technology. Manufacturers and end users rec- performance of Ethernet. For us as a ognize the benefits: future-proof performance, flexible network topology, simple software manufacturer, the fact that the master implementation configuration, and low costs. Nevertheless, while the number of members is an is independent of special plug-in cards is particularly attractive. important criterion for the success of a technology organization, it is not the cru- The software can be based on the universally available standard cial one. Acceptance of the technology resulting in product developments and ap- Ethernet controller. The openness of the system and active sup- plications is even more important. Here too, EtherCAT is setting standards.” port of Beckhoff for ETG are further significant factors.” ■ Erich Hutflesz, Manager Control Systems, ■ Kenichi Karigane, Schuler SMG, and ETG Board Member: General Manager, “EtherCAT enables us to realize fast drive and hydrau- Drive Systems Division, lic controls for all applications currently used in the Product Marketing & Sales Schuler Group. Another crucial factor is that, due to Engineering Center, EtherCAT’s performance, we still have enough poten- Hitachi IES Co., Ltd.: tial for solving complex control tasks in future without EtherCAT is being adopted also in speed problems. Apart from the functional features of a technology, availability Japan: major industrial machinery manufacturers are introducing of a wide range of components is very significant for users of automation devices. EtherCAT into their machines. With more EtherCAT based ma- The fact that so shortly after ETG was established so many member companies chines made available on the market the potential of EtherCAT ap- were already presenting EtherCAT products and that further products are in plications will even further increase. We at Hitachi IES were quick preparation is clear evidence for the success of this technology. The main factor off the mark in releasing our large capacity AC servo system with determining user acceptance continues to be simple and effective handling of EtherCAT and will further enhance our line-up of EtherCAT prod- the EtherCAT system in terms of configuration and diagnosis.” ucts since EtherCAT has superiority of quality to other motion con- trol bus systems with regards to speed, cost performance and openness. ■ Dr. Peter Heidrich, R&D Manager, ■ Shinya Yamasaki, Baumüller GmbH, and ETG Board Member: Senior General Manager, Control “Baumüller decided to use EtherCAT due to the signif- Devices Division HQ, Omron: icant benefits it can offer, particularly in terms of “Omron has selected EtherCAT as price/performance ratio and availability. This decision Machine control network dedicated was underlined through our active collaboration in mainly for its new motion & field de- the ETG executive committee. We continue to be con- vices bus system since it provides a vinced that the decision for EtherCAT was the right one. As soon as EtherCAT Slave unique combination of performance, ease of use and topology Controllers became available, Baumüller started producing connections for the freedom. Omron believes in open architectures, and has therefore also decided to support and promote EtherCAT in Japan and in the bmaXX 4400 system in August 2004. ETG has demonstrated that, due to the uni- Asian Market. Our first EtherCAT products are motion controller versality of the EtherCAT technology, EtherCAT-based systems can be developed and PLC master units together with servo motors, inverters, vision and realized very quickly.” sensors and field I/Os.” © EtherCAT Technology Group. All rights reserved. ETG_Broschuere_09_2009_RZ.qxd 02.10.2009 14:31 Uhr Seite 5 EtherCAT Technology Group 5 ■ Hans Beckhoff, ■ Norbert Hauser, Managing Director, VP Marketing, Beckhoff Automation GmbH: Kontron AG: “Naturally, EtherCAT is particularly suitable “EtherCAT is currently the most successful for fast PC-based controls. The master re- Ethernet-based fieldbus. This is also visible in quires no plug-in card and can be imple- the strongly growing number of members of mented on any existing Ethernet controller renowned companies. A major advantage of using a very simple interface. EtherCAT is therefore also well suited to EtherCAT is its openness, high performance and the excellent price-per- small and medium control technology, where it opens up new areas of formance ratio. Kontron‘s embedded computing customers have identi- application for distributed control. Therefore EtherCAT is the commu- fied the advantages of EtherCAT for their business. Therefore, Kontron, nication backbone of Beckhoff system architecture and we are very one of the leading companies in the Embedded Computing market, has pleased about the worldwide success of this technology.” decided to offer the embedded portfolio also with EtherCAT.” ■ Thomas Porath, ■ Chris Choi, System Architect General X-Ray, Director of Technology, Husky Philips Medical Systems: Injection Molding Systems Ltd.: “We believe that EtherCAT is the right “The design of EtherCAT assures its cost effec- technology for the next step towards a sys- tiveness by the use of long-lasting low cost PC tem control architecture that enables us to and Ethernet components. This steers engi- further reduce costs and allows for new in- neering and investment decisions towards its novations, which the current architecture is not suitable to serve for. The intensive use. In injection molding, a control cycle in the range of mS is an performance of EtherCAT will allow us to implement hard real-time, safe- industrial norm. EtherCAT has proven itself as the most effective industri- ty, and control-functions on one single cable, while simultaneously offer- al Ethernet protocol to achieve high performance control for injection ing flexible topologies, which will reduce cable-costs significantly. molding with a control cycle down to the 100 μS range. This has resulted Not only performance, but also international standardization and world- in an improved reaction time which brings great benefits: enabling offer wide acceptance