AJOHBM IOT Module MQTT to Modbus RTU TCP Protocol Converter Bus MQTT-MB RJ45 Ethernet Port RS485 RS422 Serial

Description

• IOT Module MQTT to Modbus RTU TCP Protocol Converter Bus MQTT-MB RJ45 Ethernet Port RS485 RS422 Serial

Product Introduction
The Modbus to MQTT gateway is a Modbus RTU to MQTT communication module that supports RS485, RS422, and network port communication. It is an economically stable, easy to install, and highly applicable product. Support up to 50 function codes, each of which can operate a coil or register. You can subscribe to 5 topics and publish 5 topics simultaneously, and support MQTT protocol connection to major cloud platforms (recommended for Alibaba Cloud, OneNET, etc.). 24V power input, anti short circuit, anti reverse protection.
Features and functions
Supports Modbus RTU master station function, using standard Modbus RTU communication protocol
Communication interface can be selected as RS485 or RS422
The baud rate, data format, and Modbus slave station related information of the gateway can be set through the upper computer software
Supports static IP and dynamic acquisition of IP (selected through a dial switch), and supports domain name resolution
MQTT supports long-term online (TCP actively connects to remote servers) and has automatic reconnection function
The QoS level of MQTT is QoS 0 or QoS 1
The slave data is packaged in JSON format and sent to the server through MQTT cycles, with adjustable sending intervals

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