300+ SCADA Protocol Articles & Guides
Deep dives on Modbus, DNP3, IEC 60870-5-101/104, IEC 61850, OPC UA, Profinet, MQTT, IEC 62443, and substation automation — written for practicing engineers.
Allen-Bradley EtherNet/IP: CIP Configuration Guide
Allen-Bradley EtherNet/IP setup on ControlLogix and CompactLogix: implicit vs explicit messaging, Generic Ethernet Module, MSG instructions, and fault codes.
EtherNet/IP vs Modbus TCP: Complete Comparison Guide
EtherNet/IP vs Modbus TCP: detailed comparison of data models, performance, ports, security, deployment scenarios. When to choose which protocol.
CIP TCP/IP Interface Object Explained (Class 0xF5)
Complete guide to CIP TCP/IP Interface Object (Class 0xF5): IP address, subnet mask, gateway, DNS, DHCP/BOOTP, multicast configuration, TTL, attributes.
DLR Device Level Ring Explained: Ring Redundancy for EtherNet/IP
How DLR delivers 3 ms recovery on EtherNet/IP rings: ring supervisor election, beacon frames, fault detection, topology limits, and troubleshooting.
CIP Safety vs PROFIsafe: An Honest Comparison of SIL3 Safety Protocols
CIP Safety vs PROFIsafe: real technical differences in addressing, time monitoring, engineering tools, ecosystem, and when to pick which. Vendor-neutral.
Wireshark EtherNet/IP: Decode CIP Traffic
Wireshark EtherNet/IP capture and decode: CIP services, Forward_Open on TCP 44818, implicit I/O on UDP 2222, status codes, and connection troubleshooting.
PROFINET vs EtherNet/IP: Complete Comparison for Industrial Engineers
PROFINET vs EtherNet/IP compared: protocol architecture, real-time performance, GSDML vs EDS, PROFIsafe vs CIP Safety, installed base, and when to choose each.
CIP Protocol Ports: How EtherNet/IP Uses Ports 44818 and 2222
CIP Protocol Ports explained: learn how EtherNet/IP uses ports 44818 and 2222 to transport CIP messages for configuration, diagnostics, and real-time I/O communication.