5G Remote I/O System Design and Implement in Industry

5G has gone to everyone with the characteristic of Ultra-Reliable Low Latency Communication (uRLLC) and Enhance Mobile Broadband (eMBB), which can meet increasing industrial data transmission requirements. In this paper, a wireless I/O (Input or Output) System is designed to transmit I/O signal with OPC Unified Architecture (OPC UA) protocol in 5G Local Area Network (LAN). The system includes remote modules, which connect to sensors and actuators for data acquisition and output, a cloud server, which is used for Dynamic Domain Name Resolution (DDNS), and controllers that process the data and monitor remotely. Besides, the implemented system includes Raspberry Pi 4th, which is used as the remote module, and a DDNS server, which runs in the cloud. Finally, two scenarios are presented to transmit the sensors data with this system.