Stride MQTT Gateway to Modbus RTU TCP

We will now look at the Stride MQTT Gateway to Modbus RTU / TCP. MQTT stands for Message Queuing Telemetry Transport. MQTT protocol is used for machine to machine (M2M), internet of things (IoT) communication. This publish/subscribe messaging is used where limited device resources are available or network bandwidth is low. The MQTT protocol provides small size, low power usage, minimized data packets, and efficient distribution of information to one or many receivers.
The Stride MQTT Gateway is an industrial 4.0 hardware component (IIoT - Industrial Internet of Things) that provides isolation and can easily interface with existing Modbus RTU and Modbus TCP communication protocols.
We will be connecting a Stride MQTT Gateway to a Solo process temperature controller via Modbus RTU. (RS485) The MQTT Gateway will communicate to a Mosquitto Broker. Google MQTTLens (MQTT Client) will then read and write to the Solo process temperature controller. Let's get started.

More information can be obtained on our website. This includes all of the links mentioned in this video.

Stride MQTT Gateway Unboxing - Video
Stride MQTT Gateway Modbus RTU TCP - Video

Previous MQTT discussions can be found at the following location:
BRX Do-More Simulator MQTT Publish-Subscribe
BRX Do-More PLC MQTT Communications

There are several reasons why we are using the STRIDE MQTT Gateway. Here are just a few.
- Convert Modbus RTU/TCP to MQTT
- IIoT MQTT protocol with SSL/TLS
- Configurable via a web page
- Hardware watchdog function
- Full electrical isolation
- MQTT cloud compatible with AWS, Mosquitto and more
- Wired or Wi-Fi models available
- CE and FCC agency approvals

[mumblesjustin]

When you changed set value on solo to 350; should the green SV display on solo have changed to 350? or is there such a long delay for the solo or the gateway to react ; that you were able to set SV from 300 to 350 and back to 300 before it could update?

[이지수-jy]

Hi, When converting mqtt to modbus rtu, is it possible to convert Mqtt string data to Modbus hex data? ex) abc -> 616263

[venkateshchennuri]

Sir, could you please provide sample vba code for reading data from moxa/terminal modbus over rtu

[peddahill]

Has anyone achieved mqtt to modbus tcp? That would be great for IOT Scada integration.

[diy]

Very expensive solution for small automation...