PLC vs SCADA: Architecture, Roles, and How They Work Together (2026)
PLC vs SCADA explained — control loops vs supervisory, network architecture, IEC 61131-3 vs HMI runtime, with a decision matrix for greenfield plants.
Modbus Protocol Deep Dive: RTU, TCP, and the Industrial Workhorse Explained
Complete Modbus reference — RTU vs TCP frames, function codes, register maps, error handling, gateway architectures, and modern Modbus patterns.
OPC UA Protocol: Complete Technical Guide to Industrial Interoperability in 2026
OPC UA deep dive — address space, information model, services, pub/sub, security, companion specs, and migration from OPC Classic. 2026 reference.
Modbus Protocol: The Complete Technical Guide
Complete Modbus deep dive — RTU vs TCP vs ASCII, frame structure, function codes, register maps, error handling, and modern Modbus-to-MQTT bridging patterns.