Industrial IoT (IIoT) is a key Industry 4.0 technology. This course teaches you to design, deploy and maintain industrial IoT systems. You will study protocols (Modbus, OPC UA, MQTT, Profinet), PLC programming (IEC 61131-3), SCADA systems (WinCC, open-source SCADA), industrial security (IEC 62443), digital twins and ERP/MES integration. Hands-on labs with PLC emulators, SCADA servers and real manufacturing automation cases.