IOT News

Programmable Logic Controllers (PLCs) are found in virtually every modern industry. Although they come in many brands and models, they all share a common purpose: enabling automated control, measurement, and program execution in complex industrial environments. As Industrial IoT (IIoT) technology continues to advance, its evident benefits are driving more and more enterprises to invest in IoT initiatives. Integrating PLC systems with IIoT architectures delivers unprecedented value and advantages.

It is important to note, however, that integrating PLCs into the IoT landscape is no simple task—especially when PLCs have limited network capabilities and lack interoperability. This is where PLC IoT gateways come into play, providing reliable, robust groundwork for various PLC-based IoT systems.

WideIOT's PLC IoT gateway is a key device designed to collect data from PLC equipment and enable network connectivity. It supports mainstream industrial PLC system protocols—including Siemens, Mitsubishi, Omron, Schneider, Delta, and Inovance—allowing industrial PLC equipment to easily connect to local host systems or cloud platforms (via 5G/4G/Wi-Fi/Ethernet). This enables remote access to PLC operating data and supports applications such as PLC remote monitoring, PLC remote control, PLC fault alerting, and PLC remote maintenance.

Features and Functions

Data Acquisition and Processing – The gateway connects to PLCs and collects monitoring data, status signals, and other information generated by the PLC. Based on edge computing, it calculates, processes, and converts this data to meet the requirements of network transmission and cloud platform integration.

Cloud Platform Connectivity – The gateway transmits collected data to cloud platforms through various communication protocols (such as Modbus and MQTT). This allows engineers and management personnel to monitor PLC status, parameters, and operating conditions in real time via the cloud platform. Data can also be uploaded to local host systems.

Remote Monitoring and Control – Through PC or mobile terminals, management personnel can perform remote monitoring and control of PLCs. Engineers and managers can remotely access PLCs to view equipment operating status, process parameters, alarm information, and maintenance records—improving maintenance efficiency and response speed.

Remote Maintenance and Programming – Through the Remote Maintenance Tunnel, engineers can perform remote programming, debugging, and program upload/download for off-site PLCs without traveling—reducing travel frequency and improving maintenance efficiency.

Data Storage and Analytics – The gateway can store collected data in the cloud or a database to support historical data analysis, trend analysis, and predictive maintenance analysis—helping optimize equipment maintenance plans, improve production efficiency, and enhance product quality.