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DeviceNetTM设备网和ControlNetTM控制网已经是广为人知的工业网络,分别归ODVA(开放DeviceNet供应商协会)和ControlNet International两家国际性制造商组织所拥有,它们都在应用层采用了CIP协议(通用工业协议)。最近,ODVA和ControlNet International共同推出了EtherNet/IP(标准工业以太网。本文将介绍它的技术原理和传输机制,以及如何在基于TCP/UDP/IP协议的以太网(R)上实现网络服务和数据对象的一致性。
The DeviceNetTM DeviceNet and ControlNetTM ControlNet are already well-known industrial networks owned by ODVA (Open DeviceNet Vendor Association) and ControlNet International, two international manufacturers’ organizations that use the CIP protocol at the application layer (Common Industrial Protocol ). Recently, ODVA and ControlNet International jointly launched EtherNet / IP (Standard Industrial Ethernet.) This article describes its technical principles and transport mechanisms and how to implement network services over Ethernet (R) over TCP / UDP / IP protocols and Data object consistency.