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
●Processeur Cortex-A7 de qualité industrielle, cadencé à 1,3 GHz
●256 Mo de RAM, 256 Mo de mémoire Flash
● Interface Ethernet industrielle à 1 canal de 100 M
●Système d'exploitation Linux 3.18 (version stable)
●Fonctions de transmission et de routage sur réseau de données sans fil 4G haut débit
● Interface série RS485/RS232 à 1 canal
●Interface : AI*1 / DI*2 / DO*1
●Prise en charge de la fonction NTP pour permettre la synchronisation automatique de l'heure via le réseau
●Prise en charge d'un cache de données de 10 × 10 Ko pour le port réseau/série
●Prise en charge du point d'accès Wi-Fi et de la localisation GPS
●Prend en charge plusieurs méthodes de configuration et de débogage
●Prise en charge des paramètres APN
●Fournir des capacités de traitement des données en périphérie
●Résolution dynamique des noms de domaine
●Prise en charge du protocole DHCP
3. ZHL4921 industrial MQTT gateway application
ZHL4921 industrial Passerelle MQTT 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.
