Industrial Ethernet

IntroductionActive componentsAn overview of PROFINET and EtherNet/IP componentsBPROFINET Class AA great demand for communication exists within machines andfacilities that have a decentralized, modular design. PROFINETcan be used as a communication technology in such a setting.PROFINET is the open Industrial Ethernet standard from thePROFIBUS User Organization. It enables corporate-widecommunication and automation. There are two fundamentalfunctional classes within PROFINET. The first is PROFINET CBA(Component Based Automation). This is the original versionbased on a component model for communicating betweenintelligent automation devices (for example programmable logiccontrollers or PLCs). The second is PROFINET IO and is usedfor decentralized peripherals. This newer technology is designedfor communications between controllers and decentralized fielddevices.EtherNet/IPEtherNet/IP (Ethernet Industrial Protocol) is an open standardthat was developed by Rockwell Automation and the OpenDeviceNet Vendor Association (ODVA) for industrial networks.EtherNet/IP is based on the Ethernet TCP/IP standards and theCommon Industrial Protocol (CIP). CIP is an open standardimplemented at the application layer (ISO layer 7). It is used inControlNetTM and DeviceNetTM. This enables continuouscommunications between the field level and the Internet. Theprotocol includes both a control mechanism for cyclic, real-timeI/O signal transmission (implicit messaging) and an informationmechanism for configuration, diagnosis and managementmessages (explicit messaging).Unmanaged Switches Managed Switches Media converterWaveLine, starting at page B.14 WaveLine, starting at page B.32 Optical media converter, starting at page B.72ECOLine starting at page B.18 AdvancedLine starting at page B.34AdvancedLine starting at page B.23 IP67 Switches starting at page B.39IP67 Switches starting at page B.38B.10