Can Modbus work with LoRaWAN?

Can Modbus work with LoRaWAN? The answer is YES. But we need additional hardware and software components. Here’s a summary of how LoRaWAN can work with Modbus through our research and test.

LoRaWAN Device:

You would start with an IoT device that supports LoRaWAN communication. This device could have various sensors or data sources that collect information you want to transmit using the Modbus protocol.

Modbus Integration:

To interface with Modbus devices, you would need a gateway or a bridge device. This device acts as an intermediary between your Modbus devices and the LoRaWAN network. It should have Modbus communication capabilities.

Data Collection:

The Modbus-enabled gateway collects data from Modbus devices using the Modbus protocol. This data can include readings from sensors, control signals, or any other information you want to transmit.

Data Formatting:

The collected data is then formatted into a suitable payload that can be transmitted over the LoRaWAN network. LoRaWAN payloads are typically in a specific format, and the Modbus data needs to be transformed to fit this format.

LoRaWAN Transmission:

The formatted data is transmitted by the gateway to a LoRaWAN network server. This server is responsible for managing and routing data between devices and applications.

Application Integration:

On the application side, you would have a server or platform that receives the data from the LoRaWAN network server. This application can process and store the data and make it available for further analysis or use.

Modbus Devices Configuration:

It’s important to configure your Modbus devices properly to ensure they respond to requests from the Modbus gateway. You might need to set up Modbus addresses, data types, and communication parameters on your Modbus devices.

Two-Way Communication (Optional):

In some cases, you may want to enable two-way communication. For example, you might want to remotely control Modbus devices based on commands received over LoRaWAN. This would require bidirectional communication capabilities in your system.

Security and Authentication:

Implement security measures to ensure the confidentiality and integrity of your data. LoRaWAN offers encryption and authentication mechanisms that should be used to protect your communications.

Testing and Monitoring:

Thoroughly test the integration to ensure data accuracy and reliability. Implement monitoring and error-handling mechanisms to address any issues that may arise.

It’s important to note that integrating Modbus with LoRaWAN can be a complex task, especially if you have a large number of Modbus devices or if you require real-time communication.

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Source: LinkedIn

Credits: Mr. Eric L.