Industrial IoT resource
Modbus Data Acquisition Gateway
A buyer-focused guide to Modbus data acquisition gateways for industrial sensors, meters, controllers and remote I/O.
Best fit
Use this guide when the search intent is a gateway that can collect field data from many Modbus devices and send it to higher-level systems.
What the gateway does
A Modbus data acquisition gateway works as the bridge between field devices and management systems. It reads Modbus RTU or TCP points, maps registers into named values and forwards data to cloud, SCADA, BMS or local servers.
Register-map readiness
The most important preparation is a clean register map: device address, function code, register address, scale, unit and polling interval. This reduces commissioning time and avoids data interpretation errors.
Integration options
Projects may need Modbus TCP server mode, MQTT publish, HTTP API, CSV export or BACnet conversion. SunGene can align gateway firmware and labels for distributor or OEM programs.
Key points
- Modbus RTU / TCP data collection
- Register mapping and scaling
- Cloud, SCADA, BMS and API integration
- OEM firmware and private-label options
Relevant products
- Protocol Gateway (RS485 to Ethernet)
- Modular Remote I/O System
- Edge IoT Gateway
Technologies
- Modbus RTU
- Modbus TCP
- RS485
- Ethernet
- BACnet
- MQTT