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IQEG-300 IoT Intelligent Edge Gateway

IQEG-300 IoT Edge Gateway

Overview​

The IQEG-300 IoT Intelligent Edge Gateway is a robust, industrial-grade edge gateway designed for reliable data acquisition, protocol conversion, and secure connectivity in industrial and remote environments. It provides a stable bridge between field devices and cloud platforms, enabling efficient telemetry, monitoring, and control without unnecessary complexity.

The IQEG-300 is ideal for applications that require dependable serial and Ethernet connectivity, optional cellular communication, and lightweight edge processing — making it well suited for industrial automation, energy monitoring, environmental sensing, and infrastructure telemetry.

Key Features​

IQEG-300 Key Features

  • Industrial-grade ARM-based embedded platform
  • Multiple isolated RS-485 / RS-232 serial interfaces
  • Dual Ethernet ports for flexible network deployment
  • Optional cellular connectivity via mini-PCIe modules
  • Linux-based operating system optimised for edge reliability
  • Fan-less, rugged design for continuous 24/7 operation

Hardware Interfaces & Connectivity​

IQEG-300 Interfaces

The IQEG-300 is designed to integrate seamlessly with a wide range of industrial equipment and sensors.

Serial Interfaces​

  • Multiple isolated RS-485 / RS-232 ports
  • Suitable for Modbus RTU, industrial meters, PLCs, and controllers

Network Interfaces​

  • Dual auto-sensing Ethernet ports
  • Optional cellular connectivity (4G/LTE, NB-IoT, Cat-M via module)
  • Optional Wi-Fi (model dependent)

Power & Industrial Design​

  • Wide input voltage range for industrial power systems
  • DIN-rail and wall-mount support
  • Wide operating temperature range

Edge Gateway Software Capabilities​

IQEG-300 Software Architecture

The IQEG-300 runs a secure Linux-based operating system tailored for industrial IoT deployments. It provides essential edge gateway functionality with a focus on stability, security, and long-term reliability.

Supported Functions​

  • Protocol conversion (e.g. Modbus RTU ↔ Modbus TCP / MQTT)
  • Secure data forwarding to cloud platforms
  • Local buffering and store-and-forward operation
  • Device and connection health monitoring
  • Secure remote access and management

Protocol Support​

  • Modbus RTU / Modbus TCP
  • MQTT / HTTP / HTTPS
  • OPC UA
  • Custom integrations via scripts or services

Typical Applications​

IQEG-300 Industrial Applications

The IQEG-300 is well suited for a broad range of industrial IoT use cases, including:

  • Industrial automation and PLC integration
  • Energy metering and power monitoring
  • Environmental and weather monitoring systems
  • Water, wastewater, and irrigation monitoring
  • Smart buildings and facility systems
  • Remote telemetry and infrastructure monitoring

Deployment Benefits​

  • Reliable field connectivity for industrial devices
  • Simple integration with legacy serial equipment
  • Secure and stable operation in harsh environments
  • Reduced system complexity compared to high-compute edge platforms
  • Scalable deployment across single or multiple sites

Next Steps​

  • Connect industrial devices using serial or Ethernet interfaces
  • Configure protocol mappings and data forwarding
  • Integrate with IQFLOW Cloud or third-party IoT platforms

Continue to the following sections for wiring diagrams, configuration guides, and integration examples for the IQEG-300 gateway.