mqtt gateway

ZHL4921 is an industrial MQTT gateway designed to meet the needs of industrial customers and adopted industrial-grade standards. This product supports MQTT communication based on the Modbus protocol, which can help users quickly access IoT cloud platforms (such as Baidu Cloud, Huawei Cloud, Alibaba Cloud, etc.) to achieve safe and reliable data transmission. It is widely used in power, meteorology, environmental protection, industry Automation, transportation, finance, forestry, petroleum, construction, medical care, agriculture, and other IoT applications.

1. Characteristics of ZHL4921 industrial MQTT gateway

(1) Industrial-grade design, high-performance processor

It adopts high-performance industrial-grade Cortex-A7, 1.3GHz processor, adopts industrial-grade design standards, and has anti-interference capability. It adopts dual watchdogs of software and hardware to ensure that the equipment runs stably at all times. The equipment can operate normally at -40~85℃.

(2) Rich interfaces and easy deployment

Provides 1LAN/2DI/1DO/1AI/1RS485/232 multiple interfaces, supports WI-FI and 4G networks, can meet different application scenarios and provide different access solutions.

(3) Support multiple network protocols

Supports MODBUS RTU and MODBUSTCP protocol adaptation, and supports TCP, UDP, MQTT and other protocols.

(4)Linux operating system

Developed based on Linux 3.18 operating system, convenient for users’ secondary development and use

2. Features of ZHL4921 industrial MQTT gateway

Processore Cortex-A7 di livello industriale, 1,3GHz

256 MB di RAM, 256 MB di Flash

Interfaccia Ethernet industriale 100M a 1 canale

Sistema operativo stabile Linux 3.18

Funzioni di trasmissione e routing della rete dati wireless 4G ad alta velocità

●1 canale interfaccia seriale RS485/RS232

Interfaccia: AI*1/ DI*2/ DO*1

Supporta la funzione NTP per realizzare la regolazione automatica dell'ora della rete.

●Supporta una cache dati di rete/porta seriale da 10*10KB

Supporto hotspot WIFI/posizionamento GPS

Supporta diversi metodi di configurazione e debug.

Supportare le impostazioni APN

Fornire capacità di calcolo ai margini dei dati.

Risoluzione dinamica dei nomi di dominio

Supportare DHCP

3. ZHL4921 industrial MQTT gateway application

ZHL4921 industrial MQTT gateway is widely used in remote maintenance of PLC, frequency converters, robots and other equipment in industrial sites; remote maintenance and management of engineering machinery; remote maintenance and management of workshop equipment and process systems; remote monitoring and control of secondary water supply pumps in residential areas; oil and gas fields and Monitoring and control of oil wells and other sites; remote monitoring of steam pipelines and heating pipelines; applications in smart buildings, smart factories and other Industry 4.0 fields.