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Modbus Plc To Mqtt Opc Ua Industrial Gateway Bl104 - China

price: 50.00 Dollar US$

BL104 is an industrial IoT gateway that converts Modbus RTU, Modbus TCP, PLC to Modbus, OPC UA, MQTT protocol.

The gateway supports Ethernet, WiFi, or cellular networks(4G) transmission, ensuring that data is transmitted to AWS, ThingsBoard, IgnitionSCADA, and other cloud platforms stably and reliably.

Key Features

Universal Protocol Support Downlink: Siemens/Mitsubishi/Omron/ Delta PLCs, Modbus RTU/TCP Master

Uplink: Modbus RTU/TCP, OPC UA, MQTT

Cloud Ready: Pre-built drivers for AWS IoT/ThingsBoard/Huawei Cloud/Aliyun/BLIIOT Cloud Powerful Edge Computing ARM MCU @300MHz + Linux OS

Connect 10/50 devices & collect 512/4000 data points simultaneously

Hardware/software watchdog for 24/7 reliability Flexible Connectivity

Dual Ethernet (1×WAN + 1×LAN) with switch cascading

Optional 4G/WiFi failover (auto-switch to 4G if wired fails)

Built-in OpenVPN for secure data transmission Typical Applications Smart Factories: PLC remote debugging + real-time production data to cloud

Energy Monitoring: Centralized Modbus meter management

Predictive Maintenance: Failure alerts + remote firmware updates

Environmental Sensing: Cloud transmission for temp/humidity sensors


Company Contact:


  • Phone: 0086-755-29451836

  • Address: 210-212, A2 Building, Fuhai Information Port, Xinhe Community, Fuhai Street, Baoan, Shenzhen, China, 深圳 , 粤 , China

  • Email: Email


Published date: April 21, 2026

  • Business Description: Beilai offer partners with a wide range of hardware including Industrial Ethernet I/O Module, Distributed I/O System, Remote I/O Module, Industrial IoT Gateway, Cellular IoT M2M RTU, Embedded ARM Computer, Industrial 4G Edge Router, X86 Embedded Industrial Computer, Remote Battery Measurement System, Cellular SMS Controller, Network Fault Monitoring Alarm, Cellular Gate Opener, OEM and ODM services.

    Our Products:

    - 6ull Dual Core Cortex A7 Industrial Edge Arm Controller Armxy Series With 4g Wifi

    - 6ull Cortex A7 Industrial Edge Computing Gateway Armxy Series With Linux Ubuntu Debian Node Red

    - Bliiot Armxy Series Compact Arm Embedded Controller With Rs485 Di Do Can For Smart Cities

    - I Mx6ull 800mhz Armxy Series Arm Industrial Controller Compatible With Linux Node Red Qt

    - Dual Core Cortex A7 Ip30 Arm Based Embedded Computer With Rs485 For Remote Monitoring

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