Master Industrial
Automation & OT Knowledge
Practitioner-led articles built by engineers who work in real plants. PLC, DCS, SCADA, IIoT and OT cybersecurity.
HART Protocol: Digital Communication Superimposed on 4-20mA
HART protocol explained: how FSK digital communication works on 4-20mA, universal/device commands, the four HART variables, multidrop mode, and DCS asset management…
Read article →Siemens S7-1500 TIA Portal: Programming and Network Configuration Guide
Siemens S7-1500 TIA Portal guide: project structure, block types (OB/FB/FC/DB), PROFINET IO configuration, security features, and motion control overview.
Read article →WirelessHART: Deploying Wireless Field Instruments in Process Plants
WirelessHART deployment guide: mesh network operation, update rates, security model, common applications, and DCS integration for process plant instrumentation engineers.
Read article →FOUNDATION Fieldbus: Technology, Wiring, and Commissioning Guide
FOUNDATION Fieldbus H1 explained: multi-drop wiring, distributed control function blocks, segment design rules, and step-by-step commissioning procedure.
Read article →Industrial Ethernet: Comparing EtherNet/IP, PROFINET, and Modbus TCP
Side-by-side comparison of Modbus TCP, EtherNet/IP, and PROFINET for industrial Ethernet - topology, cycle times, motion support, and when to use each.
Read article →PROFIBUS vs PROFINET: Which Industrial Network Protocol Should You Use?
Compare PROFIBUS DP/PA and PROFINET RT/IRT on speed, topology, hazardous area support, and when to use each in industrial automation projects.
Read article →Industrial Networking Protocols Compared: Modbus TCP, PROFINET, EtherNet/IP, EtherCAT
When to use which industrial Ethernet protocol — a field engineer's decision matrix with the gotchas vendors don't mention.
Read article →