EtherNet/IP
8 articles tagged "EtherNet/IP" on the EtherNet/IP Explorer blog.
This collection brings together every EtherNet/IP article published on the EtherNet/IP Explorer blog. "EtherNet/IP vs PROFINET: Rockwell vs Siemens Industrial Ethernet", "How to Read Allen-Bradley Tags Without RSLinx or FactoryTalk", "EtherNet/IP ListIdentity: How Device Discovery Works (UDP 44818)" — each one is a practical, hands-on guide written for engineers and system integrators who work with EtherNet/IP Explorer in real industrial deployments. Whether you are choosing between protocols, troubleshooting a connection, or planning an integration, these articles cover the concepts, the trade-offs, and the step-by-step details you need.
EtherNet/IP vs PROFINET: Rockwell vs Siemens Industrial Ethernet
EtherNet/IP vs PROFINET compared. Rockwell/Allen-Bradley vs Siemens ecosystems, CIP vs PROFINET IO, real-time classes, device description, and which to choose.
Read articleHow to Read Allen-Bradley Tags Without RSLinx or FactoryTalk
Read Allen-Bradley ControlLogix and CompactLogix tags without RSLinx, FactoryTalk, or Windows. How the ENIP session and CIP tag services work, and how to browse and read tags anywhere.
Read articleEtherNet/IP ListIdentity: How Device Discovery Works (UDP 44818)
EtherNet/IP ListIdentity discovery explained. How a broadcast on UDP 44818 finds every CIP device, what the Identity reply contains, and how to browse devices on macOS.
Read articleCIP Explicit vs Implicit Messaging: When to Use Each
CIP explicit vs implicit messaging compared. Explicit (TCP 44818, request-response, tag reads) vs implicit (UDP 2222, cyclic I/O, RPI). Use cases, overhead, and when each wins.
Read articleEtherNet/IP Port 44818 Explained: TCP, UDP 2222, and Firewall Rules
EtherNet/IP port 44818 explained. TCP 44818 for explicit messaging, UDP 2222 for cyclic I/O, UDP 44818 for ListIdentity discovery. Firewall rules and security.
Read articleEtherNet/IP RPI Explained: Requested Packet Interval, CIP I/O, and How to Tune It
EtherNet/IP RPI (Requested Packet Interval) explained: the timing of CIP implicit I/O, how RPI differs from the CIP connection timeout, and how to choose and tune RPI values for Allen-Bradley PLCs.
Read articleEtherNet/IP and CIP Protocol Explained (2026): Complete Guide
EtherNet/IP and CIP protocol explained. Understand explicit vs implicit messaging, CIP data types, Allen-Bradley tag addressing, and how EtherNet/IP compares to Modbus TCP and OPC UA.
Read articleEtherNet/IP Explorer for macOS: Connect to Allen-Bradley PLCs Without RSLinx
Browse tags, read and write controller data on Allen-Bradley ControlLogix and CompactLogix PLCs over EtherNet/IP. Native macOS app — no RSLinx, no FactoryTalk, no Windows.
Read article