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.
ADMS Vendors: Schneider vs Siemens vs GE vs Hitachi
ADMS vendors compared: Schneider EcoStruxure, Siemens Spectrum Power, GE Vernova GridOS, and Hitachi Network Manager. Architecture, DER, and protocols.
Modbus TCP S7-1500: MB_CLIENT and MB_SERVER Setup
Modbus TCP S7-1500 setup in TIA Portal: MB_CLIENT, MB_SERVER, and TCON_IP_v4 configured, MB_MODE mapped to function codes, and status codes 8200 and 809B fixed.
PROFINET vs EtherCAT: An Honest Comparison for Real Projects
PROFINET vs EtherCAT compared without the marketing: wire-level differences, cycle times, topology, real cost, ecosystem, and when each is the right call.
S7comm Protocol Explained: How Siemens S7 PLCs Communicate
S7comm protocol explained: how S7-300, S7-400, S7-1200, and S7-1500 talk over TCP port 102, the PDU header, ROSCTR message types, and S7comm vs S7CommPlus.
PROFINET TIA Portal Configuration: Step-by-Step Guide
PROFINET TIA Portal configuration step by step: GSD install, device naming, module setup, I/O address mapping, update time, download, and online diagnostics.
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.
Modbus TCP S7-1200: TIA Portal Step-by-Step Guide
Modbus TCP S7-1200 configuration in TIA Portal: MB_SERVER and MB_CLIENT setup, holding register mapping, connection parameters, and reading multiple devices.
PROFIBUS vs PROFINET: Key Differences Explained
A detailed technical comparison of PROFIBUS vs PROFINET — covering physical layer, speed, topology, real-time classes, device models, diagnostics, safety, and application profiles. Based on IEC 61784-1 and IEC 61784-2. Written for automation engineers.
Media Redundancy Protocol (MRP) Explained for Industrial Communication Networks
Learn how Media Redundancy Protocol (MRP) ensures fast, reliable redundancy in industrial communication ring networks. Technical yet simple guide for automation and SCADA systems.