CODESYS vs TwinCAT: Soft-PLC Architecture Compared (2026)
An engineer's 2026 comparison of CODESYS and TwinCAT soft-PLC runtimes: real-time determinism, fieldbus support, IEC 61131-3, EtherCAT, and a decision matrix.
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.
OpenPLC v3 + Modbus TCP: Open-Source PLC Architecture
OpenPLC v3 reference architecture with Modbus TCP — runtime internals, IEC 61131-3 languages, hardware targets, and a production deployment pattern for open-source PLCs in 2026.