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

Product IntroductionThe 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 functionsSupports Modbus RTU master station function, using standard Modbus RTU communication protocolCommunication interface can be selected as RS485 or RS422The baud rate, data format, and Modbus slave station related information of the gateway can be set through the upper computer softwareSupports static IP and dynamic acquisition of IP (selected through a dial switch), and supports domain name resolutionMQTT supports long-term online (TCP actively connects to remote servers) and has automatic reconnection functionThe QoS level of MQTT is QoS 0 or QoS 1The slave data is packaged in JSON format and sent to the server through MQTT cycles, with adjustable sending intervals