AiVibeEtherNet/IP
EtherNet/IP is an industrial Ethernet protocol managed by ODVA that implements the Common Industrial Protocol (CIP) over standard Ethernet and TCP/IP, widely used to connect controllers, I/O, drives and robots.
EtherNet/IP, where IP stands for Industrial Protocol, carries CIP messages over standard IEEE 802.3 Ethernet, using TCP for explicit messaging, such as configuration and on-demand data, and UDP for implicit, cyclic I/O messaging. I/O connections use a producer-consumer model with configurable requested packet intervals and multicast or unicast delivery. Because it runs on unmodified TCP/IP, standard switches and network tools can be used.
EtherNet/IP is widely used in North America and in automotive and discrete manufacturing, notably with Rockwell Automation controllers. It shares the CIP application layer with DeviceNet, ControlNet and CompoNet, so device profiles and objects are consistent across networks. Extensions include CIP Safety for safety communication, CIP Motion for drives, CIP Sync based on IEEE 1588 for time synchronisation, and Device Level Ring for redundancy.
Network design should manage multicast traffic with IGMP snooping and VLANs, size requested packet intervals sensibly and separate control networks from enterprise traffic. Devices are described by Electronic Data Sheet (EDS) files and tested for conformance through ODVA. CIP Security adds TLS and DTLS-based authentication and encryption, while legacy devices without it rely on network segmentation following IEC 62443.
Key points
- Implements CIP over standard Ethernet and TCP/IP; managed by ODVA
- TCP carries explicit messages; UDP carries implicit cyclic I/O
- Shares the CIP application layer with DeviceNet and ControlNet
- Extensions include CIP Safety, CIP Motion, CIP Sync and CIP Security
- Multicast traffic should be managed with IGMP snooping and VLANs
Where AiVibe comes in
AiVibe designs and manufactures the AiAmbA AI Factory, whose edge devices and AI agents let people talk to PLC, CNC and robot controllers in plain language. Agents only propose changes, a trained operator confirms each one, and the AI Factory never replaces a machine's control or safety systems.