Cloud

CODESYS Advanced System Architecture & IIoT: PLC–Edge–Cloud Architecture

An IIoT project does not become robust simply because a PLC is connected to the cloud. The architecture must preserve deterministic control, isolate external dependencies, and define what happens when the network is unavailable. ...

CODESYS Advanced System Architecture & IIoT: REST API or MQTT?

When a PLC must exchange data with an IT system, two common choices are REST API and MQTT. They are not competing versions of the same protocol. They represent different communication patterns. ...