Check a sensor that returns no readings
Check power, terminals, interfaces and data interpretation when readings are missing.
Read the guideSunGene Agricultural IoT
RS485 Modbus Gateway
If you already have RS485 equipment, compare ways to send its data to Ethernet, MQTT, SCADA or your platform.
RS485Modbus RTUModbus TCPMQTTEthernet4G LTE
Request an RS485 gateway quoteHardware in this guide
Product-family photos. See each product page for specifications and options.
Typical use cases
- Water meter and flow meter collection
- Energy meter sub-metering
- Remote I/O and PLC data capture
- Retrofit monitoring for existing equipment
Recommended hardware
- RS485 Modbus data acquisition gateway
- Terminal blocks and surge protection
- 4G or Ethernet uplink option
- IP67 enclosure when used outdoors
Connecting field equipment
Illustration: remote-monitoring integration with field enclosure, gateway, power and industrial equipment.
See where the system fits
Connect separate fields and facilities
Review coverage, equipment identity and the path into your chosen platform.
Read the guideInterface documentation
- Register map review
- Modbus RTU to Modbus TCP
- MQTT topic and payload notes
- SCADA or BMS handoff
Quote inputs
- Device count and register map
- Baud rate and wiring distance
- Uplink method
- Cloud or SCADA endpoint
Equipment in the system
Example equipment arrangement. Check compatibility and agree who handles software, PLC/SCADA programming and site installation.
Data destination
Customer platform or an agreed third-party service
Related SunGene pages
FAQ
What does SunGene need before quoting?
Please share the target country, application, sensor list, protocol, power source, quantity and timeline so the hardware package can be narrowed safely.
Is this a SaaS platform?
SunGene can handle the agreed software, platform connections and data integration when needed. Functions, accounts, recurring fees and maintenance are defined in the scope.