Modbus RTU Bridge
Seamlessly converts Modbus registers to LoRaWAN payloads with customizable polling intervals.
LoRaWAN RS485 Converter
The UCT LoRaWAN RS485 Converter is an industrial-grade wireless converter designed to connect
Modbus RTU-enabled RS485 devices to a LoRaWAN network. It eliminates the need for long RS485
cable runs, reduces installation costs, and enables seamless remote monitoring of field devices
across large industrial facilities.
With long-range wireless communication, low power consumption, and secure LoRaWAN connectivity,
the converter is ideal for Industry 4.0, smart factories, utilities, energy management, and
remote monitoring applications.
- Modbus RTU Communication over RS485
- Standard LoRaWAN Connectivity
- LoRaWAN Class A & Class C Support
- AES-128 End-to-End Encryption
- OTAA & ABP Activation
- Long-Range Communication
- Multi Slave Support
- Transparent & Modbus Master Modes
- DIN Rail & Wall Mount Installation
- Low Power Consumption
- Industrial-Grade Reliability
- Plug-and-Play Installation
Architecture Flow Diagram
End-to-end data transmission from Modbus field devices to the Cloud.
Key Benefits
Long-Range Wireless Connectivity
Communicate with RS485 devices over distances up to 2-3 km (line-of-sight) without expensive wiring infrastructure.
Secure Communication
Built-in AES-128 encryption ensures secure end-to-end data transmission from node to the application server
Industrial-Grade Design
Designed for demanding industrial environments with protection against overvoltage, reverse polarity.
Local Configuration
Easy setup via micro-USB or Bluetooth for field calibration and network provisioning.
Smart Alerting
Configure threshold-based triggers for immediate uplink upon detecting critical values.
Industrial Applications
Industrial Automation
Monitor PLCs, drives, and machines without pulling long cables across factory floors.
Smart Agriculture
Monitor soil moisture, irrigation pumps, and weather stations across large farms.
Water Management
Monitor flow meters, pressure sensors, and water quality across treatment facilities.
Environment Monitoring
Monitor air quality, temperature, and humidity across wide outdoor and industrial zones.
Oil & Gas monitoring
Monitor flow meters, pressure sensors, and gas quality across oil and gas infrastructure.
Smart Metering
Monitor electricity, water, and gas meters remotely for accurate billing and consumption tracking.
Smart Building
Monitor HVAC systems, lighting, and occupancy sensors for energy efficiency and comfort.
Cold Chain Monitoring
Monitor temperature and humidity of perishable goods during transportation and storage.
Key Points
Easy Configure and Monitoring
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1
Dual Configuration Modes
Supports seamless local configuration through a physical USB Micro Port as well as remote, over-the-air (OTA) configuration via LoRa Downlink.
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2
Instant USB Log Monitoring
Allows field technicians to plug in a USB drive for immediate access to device logs, data tracking, and diagnostics.
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3
Offline Troubleshooting
Real-time log monitoring and local configuration operate entirely without an internet connection, ensuring 100% uptime in remote areas.
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4
Streamlined Field Operations
Designed specifically for system integrators and field engineers to accelerate installation, setup, and troubleshooting times.
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5
Secure & Reliable Design
Built for secure data logging and robust performance, making it ideal for critical industrial environments.
Connect RS485 Devices to LoRaWAN Networks
Easily integrate Modbus RTU devices with LoRaWAN for long-range wireless monitoring. Featuring a DIN-rail mountable design, 5.0 mm terminal block, and support for up to 54 Modbus registers, it is ideal for meters, sensors, and industrial automation applications.
User Setup Instructions
01
Hardware Power
Connect external 12V DC source to terminals V+ and V−.
02
Wiring Interface
Connect your RS485 device to the A, B, and GND terminals. Ensure the baud rate matches the converter default (9600 bps).
03
Network Join
The device will automatically attempt an OTAA join upon power-up. Verify status via the LED indicator (Green = Joined).
Technical Specifications
Power & Installation
- Input Power
- 9–24 VDC
- Power Consumption
- Less than 1 W @ 12 VDC
- Connector
- 5 mm pitch screw terminal blocks
- Enclosure
- ABS enclosure
- Installation
- Plug and Play
Wire Connectivity
- Connectivity
- RS485
- Protocol
- Modbus RTU
- Interface
- 2-wire type
- Watchdog Timer
- System and communication
Wireless Transmitter
- Antenna
- 2 dBi
- Frequency Band
- 868 MHz, BW 125 kHz
- Activation
- OTAA / ABP
- Data Rate
- LoRaWAN DR0–DR5
- Max Power
- 20 dBm
Environment & Mounting
- Operating Temp.
- 0 to 65 °C
- Storage Temp.
- –10 to 70 °C
- Humidity
- 5–95% RH, non-condensing
- Mounting
- DIN rail, wall, stack
Product Gallery
Why Choose UCT LoRaWAN RS485 Converter
The solution combines industrial reliability, low power consumption, secure communication, long-range wireless connectivity, and simple deployment. It allows organizations to modernize legacy RS485 infrastructure without replacing existing equipment.
Order Support
How to Order
Ready to scale your industrial IoT network? Share your project details and our technical sales team will help with pricing, customization, and deployment guidance.
1
Send Requirement
Tell us the RS485 devices, quantity, and installation location.
2
Get Technical Review
Our experts confirm LoRaWAN coverage, payload needs, and configuration.
3
Receive Quote
We share pricing, lead time, and next steps for purchase or bulk supply.
Quick Enquiry
Request Product Details
FAQS
LoRaWAN RS485 Solution Questions
Yes, the converter is compatible with all major public and private LoRaWAN Network Servers, including ChirpStack, AWS IoT Core and private LoRaWAN deployments.
Any device supporting the RS485 Modbus RTU protocol can be connected, including energy meters, water meters, flow meters, sensors, PLCs, VFDs, power analyzers, and environmental monitoring devices.
The converter can communicate with a LoRaWAN Gateway without internet access. However, internet connectivity is required on the gateway or network server side for cloud monitoring and remote access.
Yes, OTA firmware update support is available, allowing devices to be updated remotely without physical access.
TYes. The device uses LoRaWAN AES-128 end-to-end encryption to ensure secure communication and device authentication.
Yes, multiple Modbus RTU slave devices can be connected on the same RS485 bus, depending on network design and polling requirements.
Yes. The converter is designed for industrial applications and can be used in factories, utility plants, building automation systems, water treatment facilities, and energy management systems.
Yes, it supports both uplink and downlink communication, allowing remote monitoring as well as remote control of connected Modbus devices.
Yes. Data can be integrated with SCADA systems, MQTT platforms, cloud dashboards, and IoT applications through the LoRaWAN Network Server.
