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IQEG-300 Lite IoT Intelligent Edge Gateway

IQEG-300 Lite IoT Edge Gateway

Overview​

The IQEG-300 Lite IoT Intelligent Edge Gateway is a compact and cost-effective industrial edge gateway designed for basic data acquisition, protocol conversion, and secure field connectivity. It provides essential edge gateway functionality for deployments that require industrial reliability without the need for advanced edge computing or high system complexity.

With its fan-less design, multiple industrial serial interfaces, and flexible Ethernet and cellular connectivity options, the IQEG-300 Lite is well suited for simple industrial telemetry, remote monitoring, and legacy device integration.

Key Features​

IQEG-300 Lite Key Features

  • Cost-effective industrial IoT edge gateway
  • Compact, fan-less industrial design
  • Multiple isolated RS-485 / RS-232 serial interfaces
  • Dual Ethernet ports for flexible networking
  • Optional cellular connectivity via mini-PCIe
  • Linux-based operating system for stability and security

Hardware Interfaces & Connectivity​

IQEG-300 Lite Interfaces

The IQEG-300 Lite provides the essential interfaces required to connect industrial sensors, meters, and controllers to modern IoT platforms.

Serial Interfaces​

  • Multiple isolated RS-485 / RS-232 ports
  • Suitable for Modbus RTU and other serial industrial protocols

Network Interfaces​

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

Power & Mechanical Design​

  • Wide input voltage range suitable for industrial power systems
  • DIN-rail and wall-mount installation options
  • Wide operating temperature range for harsh environments

Gateway Software Capabilities​

IQEG-300 Lite Software Architecture

The IQEG-300 Lite runs a lightweight Linux-based operating system optimised for stability, reliability, and long-term deployment. It focuses on core gateway functions rather than advanced edge analytics, making it ideal for straightforward IoT use cases.

Supported Functions​

  • Serial-to-Ethernet and serial-to-cloud protocol conversion
  • Secure data forwarding to cloud platforms
  • Local data buffering and store-and-forward
  • Device status and connectivity monitoring
  • Secure remote access and basic management

Protocol Support​

  • Modbus RTU / Modbus TCP
  • MQTT / HTTP / HTTPS
  • OPC UA (basic integration)
  • Custom integrations via scripts or lightweight services

Typical Applications​

The IQEG-300 Lite is ideal for cost-sensitive and straightforward industrial IoT deployments, including:

  • Industrial meter and sensor data collection
  • Simple PLC and controller integration
  • Energy and utility monitoring
  • Water and wastewater telemetry
  • Environmental and remote monitoring stations
  • Legacy equipment modernisation

Deployment Benefits​

  • Lower cost of ownership for basic edge deployments
  • Industrial reliability in a compact form factor
  • Simple integration with legacy serial devices
  • Reduced system complexity compared to full edge compute gateways
  • Scalable rollout across many small or remote sites

Next Steps​

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

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