Modbus RS485 to WAN MQTT Gateway GT100-MQ-RS

Technical Specification:

Supports connecting Modbus master and servers to the MQTT servers.
Support MQTT connection through wired network.
Supports TLS V1.2, ensuring a secure and safe communication.
Supports updating and restarting the gateway remotely.
JSON data encoding supported. users can customize the JSON content format.
Supports debugging function on Modbus and MQTT side.
Support publishing timestamp and time zone can be set.
Power supply: 24VDC ( 11-30 VDC).
Operating Temp: -4°F to 140°F ( -20ºC to 60ºC), Rel. Humidity: 5% -95%, non-condensing.
Dimensions(W*H*D): 1.0 in * 4.0 in * 3.6 in (25 mm * 100 mm * 90 mm).

File	Type	Time
User Manual V1.2	Manual	06/08/2023
Datasheet	Datasheet	03/03/2023
SST-MQT-CFG V4.3.7	Software	02/07/2024
Connect to AWS IoT	Technical Notes	05/21/2021
Connect to Azure IoT V1.2	Technical Notes	07/10/2023
Quick Start Guide V1.0	Technical Notes	02/13/2023
SST-MQT-CFG Software Content	Technical Notes	02/13/2023

Connection

Connect the device to the Internet through the network cable.
Connect the power supply as follows.
Note: Please do not power on the devices before finishing all the connections.

Optional: Connect power supply II for backup redundancy.
Connect the serial devices.
Note: The GT100-MQ-RS doesn't have the terminal resistor in the RS-485 serial interface. When connecting multiple RS-485 serial devices, it's recommended to connect a terminal resistor (120Ω, 1/2W) in parallel at both ends of the communication lines to ensure stable communication.
Connect the GT100-MQ-RS with the PC via Ethernet cable.
Power on the GT100-MQ-RS.

Configuration

Please see "SST-MQT-CFG Software Content" for details.

Download the configuration software SST-MQT-CFG from www.sstautomation.com and install it. Open the software and select the GT100-MQ-RS product.
Configure the Client(MQTT Client configuration).
Add or edit MQTT Topic.
Configure the Ethenet and Subnet Interface parameters.
Configure the properties.
Check the mapping buffer and the property names. Use the "Auto Mapping" and "Name Properties in Order" functions.
Save the configuration and download to GT100-MQ-RS through network cable configuration.

Notes:

Make sure that the GT100-MQ-RS and your computer are in the same network segment.
If you can't discover any gateways, please test the network connection first. Please refer to the note "How to Use the Ping Command" located on our Support page on the sstautomation.com website.
If you can't discover any gateways, after powering on, press and hold the button for 3 seconds. At this time, the IP address is restored to 192.168.0.10, and the device can be searched under the same network segment as the gateway and computer, and the configuration can be uploaded and downloaded.

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SST Connect APP is an essential component of the Industrial Internet of Things (IIoT) software system developed by SST Automation. It is designed to remotely manage different industrial devices, machines, and systems in order to improve efficiency, reduce downtime, and optimize production processes, etc.

Android App

Version 1.0.5

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