LLM-Generated PLC Code: Safety, Verification and Guardrails
Using LLMs to generate IEC 61131-3 Structured Text for PLCs: verification gates, simulation, IEC 61508 constraints, and where it is unsafe. Reference pipeline.
OPC UA FX Field Exchange: The Complete Reference Architecture
OPC UA FX field exchange reference architecture: controller-to-controller and controller-to-device, TSN, UAFX connections, vendors and 2026 status.
EMQX 6.3 LTS vs 5.8 LTS: Breaking Changes and Migration
EMQX 6.3 is the new LTS. Strict MQTT parsing, Feature Gates, locked Prometheus and ACL defaults: every breaking change vs 5.8 LTS and a safe upgrade plan.
CODESYS 4 vs CODESYS 3: What the 1.0 Web IDE Changes
CODESYS 4 1.0 ships a browser-based, Git-friendly PLC IDE on the same compiler and runtime. What changes vs CODESYS 3, what is missing, who should switch.
OPC UA 1.03 vs 1.05: Certification Ends 2026, Migration Guide
OPC Foundation ends OPC UA 1.03 certification at end of 2026. What 1.04/1.05 changed (ECC, JSON, roles, GDS) and how to migrate your products.
OpenPLC Runtime v4 vs v3: What Changed and How to Migrate (2026)
OpenPLC v3 is end-of-life. Compare v4 vs v3 architecture, REST/JWT API, plugins (Modbus, OPC UA, EtherCAT, S7), retain in v4.2 and a migration plan.
Eclipse 4diac 3.3: EtherCAT, Event Sequence View, and Headless Validation for IEC 61499
4diac 3.3 shipped 9 Sept 2026: core EtherCAT in FORTE, an Event Sequence view, and headless OCL validation. What changes for IEC 61499 teams.
Ignition vs Wonderware vs FactoryTalk: 2026 SCADA Comparison
Head-to-head SCADA comparison — Ignition 8.3, AVEVA System Platform (Wonderware), and FactoryTalk View. Architecture, licensing, edge, and TCO.
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.