05109_PNO Titel_RL.qxd 18.11.2005 11:13 Uhr Seite 3 PROFINET Technology and Application System Description Open Solutions for the World of Automation Introduction The ever-shorter innovation cycle PROFINET is the innovative The use of open standards, simple for new products makes the open standard for Industrial operation, and the integration of continuous evolution of automation Ethernet. PROFINET satisfies all existing system segments have technology necessary. The use of requirements for automation driven the definition of PROFINET fieldbus technology has been a technology. With PROFINET, from the beginning. PROFINET is significant development in the past solutions can be implemented standardized in IEC 61158 and IEC few years. It has made it possible for factory and process automa- 61784. to migrate from central automation tion, for safety applications, and systems to decentralized ones. for the entire range of drive The continual further development PROFIBUS, as a global market technology right up to clock- of PROFINET offers users a long- leader, has set the benchmarks for synchronized motion control. term perspective for the implemen- 15 years. tation of their automation tasks. Besides the Real-Time capability In today's automation technology, and the use of IT technology, For the plant or machine engi- moreover, Ethernet and information protection of investment also plays neers, the use of PROFINET technology (IT) is increasingly an important role in PROFINET. minimizes the cost of installation, calling the shots with established PROFINET enables the integration engineering, and commissioning. standards like TCP/IP and XML. of existing fieldbus systems like For the plant operator, PROFINET Integrating information technology PROFIBUS, AS-Interface, and enables simple system extensibility into automation allows significantly INTERBUS, without changes to and high system availability due to better communication options bet- existing devices. That means that autonomously running system ween automation systems, exten- the investments of plant operators, segments. sive configuration and diagnostic machine and system engineers, possibilities, and network-wide ser- and device manufacturers, are all The establishment of certification now ensures a higher standard of vice functionality. These functions protected. quality for PROFINET products. have been an integral part of PROFINET from day one. Contents 1. PROFINET in overview ............................1 6. IT integration..........................................14 1.1 Distributed I/O (PROFINET IO) .............1 6.1 Network management ........................14 1.2 Distributed automation 6.2 Web services.....................................14 (PROFINET CBA)................................1 6.3 OPC and PROFINET..........................15 1.3 Communication ...................................1 1.4 Network installation..............................2 7. Security..................................................16 1.5 IT integration .......................................2 1.6 Security ..............................................2 7.1 Types of threat...................................16 1.7 Safety .................................................2 7.2 PROFINET security concept ...............16 1.8 Drive technology and motion control with PROFIdrive ..................................2 8. PROFINET and MES ...............................18 1.9 Fieldbus integration .............................2 8.1 Operations in MES .............................18 1.10 Implementation and certification ...........2 8.2 Maintenance State .............................18 8.3 Identification ......................................18 2. PROFINET communication ......................3 2.1 TCP/IP and UDP/IP communication......3 9. Application profiles................................19 2.2 Real-Time communication (RT) ............4 9.1 PROFIsafe for PROFINET..................19 2.3 Isochronous Real-Time communication 9.2 PROFIdrive for PROFINET.................20 (IRT) ...................................................4 9.3 PROFINET profile for devices in process automation (PA) ....................21 3. Distributed I/O with PROFINET IO...........5 9.4 Communication Function Blocs...........21 3.1 Device roles ........................................5 9.5 Additional profiles...............................21 3.2 The device model ................................5 3.3 The user process.................................6 10. Fieldbus integration ...............................22 3.4 The services of PROFINET IO..............6 10.1 Integration into PROFINET IO.............22 3.5 Alarms ................................................7 10.2 Integration in PROFINET CBA ............23 3.6 Engineering.........................................7 3.7 Address assignment ............................7 3.8 The GSD file .......................................8 11. Implementation of devices .....................24 3.9 Replacing devices ...............................8 11.1 Implementation of PROFINET IO........24 11.2 Implementation of PROFINET CBA .....25 4. Distributed automation with PROFINET CBA .........................................................9 12. Certification and tools............................26 4.1 Component model ...............................9 12.1 Process of a certification.....................26 4.2 PROFINET CBA engineering ...............9 12.2 Granting certification ..........................26 4.3 Creation of components .......................9 12.3 Tools.................................................26 4.4 Component connections .................... 10 4.5 Download of connection information ... 10 13. PI – the organization ..............................27 5. Network installation............................... 11 13.1 Tasks ................................................27 13.2 Organization of technology 5.1 Network topologies............................ 11 development ......................................27 5.2 PROFINET cabling............................ 11 13.3 Technical support...............................27 5.3 Plug connectors................................. 12 13.4 Documentation...................................28 5.4 Switches........................................... 13 13.5 Web site............................................28 5.5 Wireless............................................ 13 14. Glossary.................................................29 1. PROFINET PROFINET CBA PROFINET IO in overview WEB WEB PROFINET is the innovative open Services Services standard of PI for the implemen- tation of integrated automation solutions based on Industrial Distributed Distributed Ethernet. With PROFINET, simple Automation I/O distributed I/O and time-critical applications can be integrated into Ethernet communication just as Fill Fill well as distributed automation system on an automation IRT component basis. NRT Real Time 1.1 Distributed I/O Figure 1.1: Choices of PROFINET Communication (PROFINET IO) machine parts. That significantly Distributed I/O is connected into reduces engineering costs. communication through PROFINET 1.3 Communication IO. Here, the familiar I/O view of PROFINET based on a component PROFIBUS is retained, in which model is described using a PCD Communications in PROFINET the peripheral data from the field (PROFINET Component Descrip- contain different levels of devices are periodically transmitted tion). It is XML-based and can be performance: into the process model of the generated either by the Component · The non-time-critical transmi- control system. Generator of a manufacturer- ssion of parameters, configu- specific configuration tool, or by the ration data, and switching in- PROFINET IO describes a device free available PROFINET Compo- formation occurs in PROFINET model oriented to the PROFIBUS nent Editor. framework, consisting of places of in the standard channel based insertion (slots) and groups of I/O The engineering of distributed on TCP or UDP and IP. This channels (subslots). The technical automation systems differentiates establishes the basis for the characteristics of the field devices between the programming of the connection of the automation are described by the so-called control logic of the individual level with other networks GSD (General Station Description) technological modules (manufactu- (MES, ERP). on an XML basis. rer-specific configuration tools) and · For the transmission of time- the manufacturer independent con- The engineering of PROFINET IO critical process data within the figuration of the overall installation, production facility, there is a is done in the way familiar to in which the communications system integrators from years with Real-Time channel (RT) avai- relationships between the techno- lable. For particularly challen- PROFIBUS. The distributed field logical modules are determined. devices are assigned to one or ging tasks, the hardware- more controllers during configu- based communication channel ration. 1.2 Distributed automation (PROFINET CBA) The PROFINET component model sees its real use in distributed automation systems. It is ideally suited for intelligent field devices with programmable functionality as well as controllers. The component model describes autonomously acting partial units of machines or plants as technolo- gical modules. A distributed automation system designed on the basis of technological modules greatly simplifies the modulari- Figure 1.2: Mecanical, electrical/electronics and software are grouped